./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 74af0999cbe879befd0a6903faa6dabc12f5915f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 18:44:38,906 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:38,908 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:38,925 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:38,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:38,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:38,930 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:38,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:38,935 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:38,937 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:38,939 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:38,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:38,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:38,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:38,944 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:38,945 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:38,946 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:38,948 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:38,950 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:38,952 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:38,953 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:38,955 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:38,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:38,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:38,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:38,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:38,960 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:38,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:38,961 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:38,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:38,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:38,964 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:38,964 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:38,964 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:38,965 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:38,966 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:38,967 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:38,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:38,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:38,983 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:38,983 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:38,984 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:38,984 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:38,985 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:38,985 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:38,985 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:38,985 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:38,985 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:38,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:38,986 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:38,988 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:38,988 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:38,989 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:38,989 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:38,989 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:38,989 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:38,989 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:38,989 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:38,990 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:38,991 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:38,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:38,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:38,991 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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-11-28 18:44:39,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:39,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:39,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:39,048 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:39,048 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:39,049 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:39,111 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87836b6c9/05901c4d6534409b88cb735bd4b4df07/FLAGf06aa0c62 [2018-11-28 18:44:39,703 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:39,705 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:39,727 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87836b6c9/05901c4d6534409b88cb735bd4b4df07/FLAGf06aa0c62 [2018-11-28 18:44:39,982 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87836b6c9/05901c4d6534409b88cb735bd4b4df07 [2018-11-28 18:44:39,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:39,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:39,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:39,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:39,996 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:39,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:39" (1/1) ... [2018-11-28 18:44:40,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31582b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40, skipping insertion in model container [2018-11-28 18:44:40,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:39" (1/1) ... [2018-11-28 18:44:40,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:40,088 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:40,567 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:40,599 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:40,726 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:40,854 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:40,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40 WrapperNode [2018-11-28 18:44:40,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:40,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:40,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:40,856 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:40,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,904 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:40,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:40,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:40,905 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:40,918 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (1/1) ... [2018-11-28 18:44:40,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:40,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:40,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:40,970 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:40,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (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 18:44:41,023 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:44:41,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:44:41,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:44:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:44:41,027 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:41,027 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:41,028 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:44:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:44:41,031 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:44:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:44:41,032 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:44:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:44:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:41,034 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:44:41,038 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:44:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:44:41,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:41,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:41,042 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:41,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:42,155 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:42,155 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:42,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:42 BoogieIcfgContainer [2018-11-28 18:44:42,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:42,157 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:42,157 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:42,160 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:42,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:39" (1/3) ... [2018-11-28 18:44:42,161 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba80f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:42, skipping insertion in model container [2018-11-28 18:44:42,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:40" (2/3) ... [2018-11-28 18:44:42,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ba80f93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:42, skipping insertion in model container [2018-11-28 18:44:42,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:42" (3/3) ... [2018-11-28 18:44:42,164 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:42,181 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:42,195 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:42,215 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:42,254 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:42,254 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:42,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:42,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:42,255 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:42,255 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:42,255 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:42,255 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:42,255 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:42,277 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-11-28 18:44:42,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:42,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:42,288 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 18:44:42,291 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:42,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:42,296 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-11-28 18:44:42,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:42,299 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:42,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:42,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:42,659 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 18:44:42,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:42,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:42,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:42,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:42,684 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-11-28 18:44:42,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:42,732 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-11-28 18:44:42,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:42,734 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:42,750 INFO L225 Difference]: With dead ends: 292 [2018-11-28 18:44:42,750 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 18:44:42,756 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 18:44:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 18:44:42,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 18:44:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 18:44:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-11-28 18:44:42,833 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-11-28 18:44:42,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:42,833 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-11-28 18:44:42,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:42,834 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-11-28 18:44:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:42,838 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:42,839 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:42,839 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:42,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:42,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-11-28 18:44:42,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:42,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:42,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:42,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,044 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 18:44:43,044 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:43,044 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:43,046 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:43,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:43,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:43,047 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-11-28 18:44:43,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:43,087 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-11-28 18:44:43,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:43,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:43,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:43,091 INFO L225 Difference]: With dead ends: 241 [2018-11-28 18:44:43,092 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 18:44:43,094 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 18:44:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 18:44:43,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 18:44:43,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 18:44:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-28 18:44:43,127 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-11-28 18:44:43,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:43,127 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-28 18:44:43,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-28 18:44:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:44:43,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:43,132 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] [2018-11-28 18:44:43,132 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:43,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:43,133 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-11-28 18:44:43,133 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:43,133 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:43,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,398 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 18:44:43,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:43,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:43,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:43,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:43,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:43,401 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-11-28 18:44:44,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:44,434 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-11-28 18:44:44,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:44,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 18:44:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:44,443 INFO L225 Difference]: With dead ends: 250 [2018-11-28 18:44:44,443 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 18:44:44,445 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 18:44:44,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 18:44:44,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 18:44:44,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 18:44:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-11-28 18:44:44,486 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-11-28 18:44:44,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:44,487 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-11-28 18:44:44,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-11-28 18:44:44,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-28 18:44:44,497 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:44,497 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] [2018-11-28 18:44:44,497 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:44,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:44,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-11-28 18:44:44,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:44,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:44,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:44,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:44,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:44,672 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 18:44:44,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:44,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:44:44,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:44:44,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:44:44,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:44:44,674 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-11-28 18:44:45,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:45,918 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-11-28 18:44:45,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:45,920 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-28 18:44:45,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:45,924 INFO L225 Difference]: With dead ends: 354 [2018-11-28 18:44:45,924 INFO L226 Difference]: Without dead ends: 243 [2018-11-28 18:44:45,926 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-28 18:44:45,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-11-28 18:44:45,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-28 18:44:45,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-11-28 18:44:45,957 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-11-28 18:44:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:45,958 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-11-28 18:44:45,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:44:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-11-28 18:44:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:44:45,961 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:45,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:45,961 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:45,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:45,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-11-28 18:44:45,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:45,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:45,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:45,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:45,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:46,182 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 18:44:46,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:46,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:46,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:46,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:46,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:46,185 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-11-28 18:44:46,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:46,434 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-11-28 18:44:46,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:46,436 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 18:44:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:46,441 INFO L225 Difference]: With dead ends: 601 [2018-11-28 18:44:46,443 INFO L226 Difference]: Without dead ends: 404 [2018-11-28 18:44:46,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:44:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-28 18:44:46,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-11-28 18:44:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-11-28 18:44:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-11-28 18:44:46,497 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-11-28 18:44:46,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:46,497 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-11-28 18:44:46,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:46,497 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-11-28 18:44:46,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-28 18:44:46,500 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:46,501 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:46,501 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:46,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:46,501 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-11-28 18:44:46,502 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:46,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:46,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:46,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:46,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:46,998 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 18:44:46,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:46,999 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:46,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:46,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:46,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:47,000 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-11-28 18:44:48,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:48,054 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-11-28 18:44:48,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:44:48,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-28 18:44:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:48,060 INFO L225 Difference]: With dead ends: 797 [2018-11-28 18:44:48,061 INFO L226 Difference]: Without dead ends: 427 [2018-11-28 18:44:48,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:44:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-11-28 18:44:48,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-11-28 18:44:48,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-28 18:44:48,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-11-28 18:44:48,099 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-11-28 18:44:48,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:48,100 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-11-28 18:44:48,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:48,100 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-11-28 18:44:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:44:48,102 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:48,102 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:48,103 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:48,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:48,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-11-28 18:44:48,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:48,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:48,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:48,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:48,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:48,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:48,336 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 18:44:48,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:48,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:48,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:48,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:48,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:48,337 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-11-28 18:44:48,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:48,419 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-11-28 18:44:48,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:48,422 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-28 18:44:48,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:48,426 INFO L225 Difference]: With dead ends: 776 [2018-11-28 18:44:48,426 INFO L226 Difference]: Without dead ends: 407 [2018-11-28 18:44:48,428 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:48,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-11-28 18:44:48,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-11-28 18:44:48,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-28 18:44:48,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-11-28 18:44:48,457 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-11-28 18:44:48,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:48,459 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-11-28 18:44:48,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-11-28 18:44:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:44:48,461 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:48,462 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:48,462 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:48,462 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:48,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-11-28 18:44:48,462 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:48,462 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:48,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:48,463 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:48,463 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:48,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,010 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 18:44:49,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:49,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:44:49,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:49,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:49,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:49,012 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-11-28 18:44:49,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:49,148 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-11-28 18:44:49,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:49,152 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-28 18:44:49,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:49,157 INFO L225 Difference]: With dead ends: 800 [2018-11-28 18:44:49,157 INFO L226 Difference]: Without dead ends: 421 [2018-11-28 18:44:49,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:49,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-28 18:44:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-11-28 18:44:49,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-28 18:44:49,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-11-28 18:44:49,205 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-11-28 18:44:49,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:49,206 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-11-28 18:44:49,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-11-28 18:44:49,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-28 18:44:49,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:49,214 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:49,214 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:49,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:49,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-11-28 18:44:49,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:49,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:49,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:49,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:49,525 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-11-28 18:44:49,536 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 18:44:49,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:49,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:44:49,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:44:49,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:44:49,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:49,539 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-11-28 18:44:51,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:51,063 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-11-28 18:44:51,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:44:51,066 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-28 18:44:51,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:51,077 INFO L225 Difference]: With dead ends: 1250 [2018-11-28 18:44:51,078 INFO L226 Difference]: Without dead ends: 863 [2018-11-28 18:44:51,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:51,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-28 18:44:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-11-28 18:44:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-28 18:44:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-11-28 18:44:51,136 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-11-28 18:44:51,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:51,137 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-11-28 18:44:51,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:44:51,137 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-11-28 18:44:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-28 18:44:51,139 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:51,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:51,141 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:51,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:51,142 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-11-28 18:44:51,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:51,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:51,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:51,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:51,264 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 18:44:51,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:51,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:51,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:51,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:51,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:51,265 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-11-28 18:44:51,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:51,433 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-11-28 18:44:51,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:51,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-11-28 18:44:51,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:51,441 INFO L225 Difference]: With dead ends: 866 [2018-11-28 18:44:51,441 INFO L226 Difference]: Without dead ends: 863 [2018-11-28 18:44:51,442 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 18:44:51,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-28 18:44:51,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-11-28 18:44:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-11-28 18:44:51,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-11-28 18:44:51,500 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-11-28 18:44:51,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:51,500 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-11-28 18:44:51,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:51,502 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-11-28 18:44:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-28 18:44:51,507 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:51,507 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 18:44:51,508 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:51,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:51,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-11-28 18:44:51,508 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:51,508 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:51,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:51,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 18:44:51,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:51,708 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 18:44:51,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:51,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:52,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:52,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-28 18:44:52,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:52,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:52,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:52,222 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2018-11-28 18:44:53,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:53,482 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-11-28 18:44:53,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:53,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-11-28 18:44:53,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:53,491 INFO L225 Difference]: With dead ends: 1201 [2018-11-28 18:44:53,491 INFO L226 Difference]: Without dead ends: 646 [2018-11-28 18:44:53,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:53,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-11-28 18:44:53,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-11-28 18:44:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-11-28 18:44:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-11-28 18:44:53,556 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-11-28 18:44:53,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:53,557 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-11-28 18:44:53,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:53,557 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-11-28 18:44:53,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-28 18:44:53,561 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:53,562 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:53,562 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:53,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-11-28 18:44:53,562 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:53,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:53,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:53,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:53,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-28 18:44:54,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:54,863 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 18:44:54,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:55,017 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:44:55,517 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:55,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:55,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:55,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:55,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:55,518 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 19 states. [2018-11-28 18:44:58,737 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-11-28 18:44:59,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:59,675 INFO L93 Difference]: Finished difference Result 1164 states and 1322 transitions. [2018-11-28 18:44:59,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:59,680 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-11-28 18:44:59,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:59,681 INFO L225 Difference]: With dead ends: 1164 [2018-11-28 18:44:59,681 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:59,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 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 18:44:59,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:59,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:59,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:59,693 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-11-28 18:44:59,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:59,693 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:59,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:59,693 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:59,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:59,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:59,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:59,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:00,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:45:01,087 WARN L180 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-11-28 18:45:01,282 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2018-11-28 18:45:01,873 WARN L180 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 29 [2018-11-28 18:45:02,392 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-28 18:45:02,699 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2018-11-28 18:45:02,916 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-11-28 18:45:03,237 WARN L180 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 38 [2018-11-28 18:45:03,555 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-11-28 18:45:03,688 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 26 [2018-11-28 18:45:03,872 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 27 [2018-11-28 18:45:04,166 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 29 [2018-11-28 18:45:04,503 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2018-11-28 18:45:04,698 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2018-11-28 18:45:04,834 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 29 [2018-11-28 18:45:04,991 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 25 [2018-11-28 18:45:05,098 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 26 [2018-11-28 18:45:05,362 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 28 [2018-11-28 18:45:05,844 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-11-28 18:45:06,223 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-11-28 18:45:06,351 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 18 [2018-11-28 18:45:06,693 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 29 [2018-11-28 18:45:06,870 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-11-28 18:45:06,910 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-11-28 18:45:06,911 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-11-28 18:45:06,911 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-11-28 18:45:06,911 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-11-28 18:45:06,911 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-11-28 18:45:06,911 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,911 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-11-28 18:45:06,912 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-11-28 18:45:06,912 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,912 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,912 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-11-28 18:45:06,912 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-11-28 18:45:06,912 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-28 18:45:06,912 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,913 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,913 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,913 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-11-28 18:45:06,913 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-11-28 18:45:06,913 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-11-28 18:45:06,913 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-11-28 18:45:06,913 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-11-28 18:45:06,913 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 18:45:06,914 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-11-28 18:45:06,914 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-11-28 18:45:06,914 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-11-28 18:45:06,914 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-11-28 18:45:06,914 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-11-28 18:45:06,914 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-11-28 18:45:06,914 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,914 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-11-28 18:45:06,915 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,915 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-11-28 18:45:06,915 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-11-28 18:45:06,915 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-11-28 18:45:06,915 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-11-28 18:45:06,915 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-28 18:45:06,915 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-28 18:45:06,915 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:06,915 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-11-28 18:45:06,916 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-11-28 18:45:06,917 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-11-28 18:45:06,917 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-11-28 18:45:06,917 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-11-28 18:45:06,917 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-11-28 18:45:06,917 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-11-28 18:45:06,918 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-11-28 18:45:06,918 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-11-28 18:45:06,918 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-11-28 18:45:06,918 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-11-28 18:45:06,918 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-11-28 18:45:06,918 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-11-28 18:45:06,918 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,918 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-11-28 18:45:06,919 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-11-28 18:45:06,919 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 18:45:06,919 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-28 18:45:06,919 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-11-28 18:45:06,919 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 18:45:06,919 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-11-28 18:45:06,920 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-11-28 18:45:06,920 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-11-28 18:45:06,921 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-11-28 18:45:06,921 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-11-28 18:45:06,921 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-11-28 18:45:06,921 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-11-28 18:45:06,921 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 18:45:06,921 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-28 18:45:06,921 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-11-28 18:45:06,921 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-11-28 18:45:06,922 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-11-28 18:45:06,922 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:45:06,923 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-28 18:45:06,923 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-11-28 18:45:06,923 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-11-28 18:45:06,924 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-11-28 18:45:06,925 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-11-28 18:45:06,925 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-11-28 18:45:06,925 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-11-28 18:45:06,925 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-11-28 18:45:06,925 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-11-28 18:45:06,925 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-11-28 18:45:06,925 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-11-28 18:45:06,925 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-11-28 18:45:06,925 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-11-28 18:45:06,926 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-11-28 18:45:06,926 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-11-28 18:45:06,926 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-11-28 18:45:06,926 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-11-28 18:45:06,926 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-11-28 18:45:06,927 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-11-28 18:45:06,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:06,927 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) (= 0 ~methAndRunningLastTime~0)) [2018-11-28 18:45:06,927 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:06,928 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:06,928 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 18:45:06,928 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-11-28 18:45:06,928 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-11-28 18:45:06,928 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 18:45:06,928 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-11-28 18:45:06,928 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 18:45:06,928 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-11-28 18:45:06,929 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-11-28 18:45:06,929 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 18:45:06,929 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-11-28 18:45:06,929 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-11-28 18:45:06,929 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-11-28 18:45:06,929 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-11-28 18:45:06,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:45:06,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:45:06,930 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:45:06,930 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:45:06,930 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 18:45:06,930 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-11-28 18:45:06,930 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-11-28 18:45:06,930 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-11-28 18:45:06,931 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 18:45:06,931 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 18:45:06,931 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-11-28 18:45:06,931 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-11-28 18:45:06,931 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-28 18:45:06,931 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-11-28 18:45:06,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:06 BoogieIcfgContainer [2018-11-28 18:45:06,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:06,955 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:06,955 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:06,955 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:06,955 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:42" (3/4) ... [2018-11-28 18:45:06,959 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:06,969 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:06,970 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:06,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:06,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:06,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:06,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:06,971 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:06,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:06,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:06,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:45:06,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:06,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:06,974 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-28 18:45:06,997 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:45:06,998 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:45:06,998 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:45:07,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:45:07,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:07,004 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:07,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-11-28 18:45:07,047 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:07,117 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:07,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:07,118 INFO L168 Benchmark]: Toolchain (without parser) took 27129.39 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 371.7 MB). Free memory was 951.4 MB in the beginning and 994.2 MB in the end (delta: -42.9 MB). Peak memory consumption was 328.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,119 INFO L168 Benchmark]: CDTParser took 0.17 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 18:45:07,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 864.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,120 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,120 INFO L168 Benchmark]: Boogie Preprocessor took 64.06 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 18:45:07,120 INFO L168 Benchmark]: RCFGBuilder took 1186.29 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,120 INFO L168 Benchmark]: TraceAbstraction took 24797.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 995.8 MB in the end (delta: 69.1 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,121 INFO L168 Benchmark]: Witness Printer took 162.49 ms. Allocated memory is still 1.4 GB. Free memory was 995.8 MB in the beginning and 994.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:07,124 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 864.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -172.5 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.06 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 1186.29 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: 52.2 MB). Peak memory consumption was 52.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24797.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 241.2 MB). Free memory was 1.1 GB in the beginning and 995.8 MB in the end (delta: 69.1 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. * Witness Printer took 162.49 ms. Allocated memory is still 1.4 GB. Free memory was 995.8 MB in the beginning and 994.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 24.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 11.1s AutomataDifference, 0.0s DeadEndRemovalTime, 7.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2243 SDtfs, 1476 SDslu, 6437 SDs, 0 SdLazy, 2222 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 382 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1642 PreInvPairs, 1694 NumberOfFragments, 2571 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 5704 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8791 FormulaSimplificationTreeSizeReductionInter, 6.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 287060 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 198/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...