./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product47_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_product47_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 d3ebf7e0857ea2577a0261191567e6475555f928 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:44:31,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:31,920 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:31,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:31,936 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:31,937 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:31,938 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:31,940 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:31,942 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:31,943 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:31,944 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:31,945 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:31,946 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:31,947 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:31,948 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:31,949 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:31,950 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:31,953 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:31,955 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:31,957 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:31,958 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:31,961 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:31,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:31,968 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:31,968 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:31,969 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:31,974 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:31,975 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:31,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:31,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:31,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:31,980 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:31,980 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:31,980 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:31,982 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:31,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:31,983 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:32,006 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:32,007 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:32,008 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:32,008 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:32,008 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:32,008 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:32,012 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:32,012 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:32,012 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:32,012 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:32,013 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:32,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:32,014 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:32,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:32,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:32,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:32,015 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:32,018 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:32,018 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:32,018 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:32,018 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:32,018 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:32,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:32,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:32,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:32,020 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 -> d3ebf7e0857ea2577a0261191567e6475555f928 [2018-11-28 18:44:32,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:32,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:32,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:32,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:32,108 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:32,109 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:32,173 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac559afde/e9c6fa84f74244bcaa6429a889e11d50/FLAG1102ef58c [2018-11-28 18:44:32,721 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:32,722 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:32,736 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac559afde/e9c6fa84f74244bcaa6429a889e11d50/FLAG1102ef58c [2018-11-28 18:44:33,016 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac559afde/e9c6fa84f74244bcaa6429a889e11d50 [2018-11-28 18:44:33,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:33,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:33,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:33,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:33,027 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:33,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4874b7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33, skipping insertion in model container [2018-11-28 18:44:33,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:33,103 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:33,524 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:33,555 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:33,672 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:33,820 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:33,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33 WrapperNode [2018-11-28 18:44:33,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:33,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:33,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:33,822 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:33,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,866 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:33,867 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:33,867 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:33,867 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:33,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,906 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (1/1) ... [2018-11-28 18:44:33,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:33,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:33,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:33,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:33,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (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 18:44:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:33,984 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:44:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:44:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:33,985 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:33,985 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:33,987 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:44:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:44:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:44:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:44:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:44:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:44:33,992 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:44:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:44:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:33,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:33,994 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:33,995 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:33,997 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:44:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:33,998 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:33,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:35,112 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:35,112 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:35,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:35 BoogieIcfgContainer [2018-11-28 18:44:35,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:35,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:35,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:35,118 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:35,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:33" (1/3) ... [2018-11-28 18:44:35,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd7907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:35, skipping insertion in model container [2018-11-28 18:44:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:33" (2/3) ... [2018-11-28 18:44:35,120 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28dd7907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:35, skipping insertion in model container [2018-11-28 18:44:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:35" (3/3) ... [2018-11-28 18:44:35,123 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product47_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:35,135 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:35,144 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:35,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:35,198 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:35,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:35,200 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:35,200 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:35,200 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:35,200 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:35,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:35,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:35,200 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-28 18:44:35,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:35,237 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:35,238 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 18:44:35,241 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:35,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:35,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1907958204, now seen corresponding path program 1 times [2018-11-28 18:44:35,251 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:35,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:35,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:35,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:35,629 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 18:44:35,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:35,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:35,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:35,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:35,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:35,653 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-28 18:44:35,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:35,699 INFO L93 Difference]: Finished difference Result 278 states and 349 transitions. [2018-11-28 18:44:35,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:35,701 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:35,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:35,717 INFO L225 Difference]: With dead ends: 278 [2018-11-28 18:44:35,717 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 18:44:35,722 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 18:44:35,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 18:44:35,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 18:44:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 18:44:35,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 168 transitions. [2018-11-28 18:44:35,792 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 168 transitions. Word has length 51 [2018-11-28 18:44:35,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:35,793 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 168 transitions. [2018-11-28 18:44:35,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:35,793 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 168 transitions. [2018-11-28 18:44:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:35,798 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:35,798 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 18:44:35,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:35,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:35,799 INFO L82 PathProgramCache]: Analyzing trace with hash -32224306, now seen corresponding path program 1 times [2018-11-28 18:44:35,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:35,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:35,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:35,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:35,998 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 18:44:36,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:36,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:36,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:36,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:36,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:36,007 INFO L87 Difference]: Start difference. First operand 141 states and 168 transitions. Second operand 3 states. [2018-11-28 18:44:36,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:36,053 INFO L93 Difference]: Finished difference Result 221 states and 263 transitions. [2018-11-28 18:44:36,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:36,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:36,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:36,057 INFO L225 Difference]: With dead ends: 221 [2018-11-28 18:44:36,057 INFO L226 Difference]: Without dead ends: 132 [2018-11-28 18:44:36,059 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 18:44:36,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-28 18:44:36,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-28 18:44:36,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-28 18:44:36,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 156 transitions. [2018-11-28 18:44:36,098 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 156 transitions. Word has length 52 [2018-11-28 18:44:36,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:36,098 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 156 transitions. [2018-11-28 18:44:36,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:36,102 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 156 transitions. [2018-11-28 18:44:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:44:36,107 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:36,107 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 18:44:36,107 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:36,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:36,108 INFO L82 PathProgramCache]: Analyzing trace with hash 145716492, now seen corresponding path program 1 times [2018-11-28 18:44:36,108 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:36,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:36,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:36,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:36,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:36,382 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 18:44:36,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:36,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:36,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:36,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:36,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:36,384 INFO L87 Difference]: Start difference. First operand 132 states and 156 transitions. Second operand 7 states. [2018-11-28 18:44:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:37,811 INFO L93 Difference]: Finished difference Result 391 states and 480 transitions. [2018-11-28 18:44:37,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:44:37,813 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 18:44:37,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:37,824 INFO L225 Difference]: With dead ends: 391 [2018-11-28 18:44:37,828 INFO L226 Difference]: Without dead ends: 287 [2018-11-28 18:44:37,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:37,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-11-28 18:44:37,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 279. [2018-11-28 18:44:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-11-28 18:44:37,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 342 transitions. [2018-11-28 18:44:37,883 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 342 transitions. Word has length 56 [2018-11-28 18:44:37,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:37,883 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 342 transitions. [2018-11-28 18:44:37,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 342 transitions. [2018-11-28 18:44:37,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 18:44:37,887 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:37,888 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] [2018-11-28 18:44:37,888 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:37,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:37,888 INFO L82 PathProgramCache]: Analyzing trace with hash 96715133, now seen corresponding path program 1 times [2018-11-28 18:44:37,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:37,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:37,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:37,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:38,125 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 18:44:38,125 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:38,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:38,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:38,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:38,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:38,127 INFO L87 Difference]: Start difference. First operand 279 states and 342 transitions. Second operand 6 states. [2018-11-28 18:44:38,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:38,896 INFO L93 Difference]: Finished difference Result 763 states and 960 transitions. [2018-11-28 18:44:38,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:38,898 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 18:44:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:38,906 INFO L225 Difference]: With dead ends: 763 [2018-11-28 18:44:38,907 INFO L226 Difference]: Without dead ends: 512 [2018-11-28 18:44:38,909 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 18:44:38,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-28 18:44:38,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 506. [2018-11-28 18:44:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2018-11-28 18:44:39,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 624 transitions. [2018-11-28 18:44:39,002 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 624 transitions. Word has length 62 [2018-11-28 18:44:39,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:39,003 INFO L480 AbstractCegarLoop]: Abstraction has 506 states and 624 transitions. [2018-11-28 18:44:39,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 624 transitions. [2018-11-28 18:44:39,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 18:44:39,008 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:39,008 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] [2018-11-28 18:44:39,008 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:39,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:39,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1885698951, now seen corresponding path program 1 times [2018-11-28 18:44:39,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:39,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:39,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:39,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:39,393 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 18:44:39,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:39,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:39,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:39,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:39,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:39,395 INFO L87 Difference]: Start difference. First operand 506 states and 624 transitions. Second operand 7 states. [2018-11-28 18:44:40,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:40,443 INFO L93 Difference]: Finished difference Result 1329 states and 1750 transitions. [2018-11-28 18:44:40,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 18:44:40,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 18:44:40,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:40,453 INFO L225 Difference]: With dead ends: 1329 [2018-11-28 18:44:40,453 INFO L226 Difference]: Without dead ends: 851 [2018-11-28 18:44:40,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:44:40,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-11-28 18:44:40,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 755. [2018-11-28 18:44:40,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-11-28 18:44:40,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 919 transitions. [2018-11-28 18:44:40,524 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 919 transitions. Word has length 66 [2018-11-28 18:44:40,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:40,525 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 919 transitions. [2018-11-28 18:44:40,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:40,525 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 919 transitions. [2018-11-28 18:44:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:40,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:40,530 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:40,530 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:40,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:40,532 INFO L82 PathProgramCache]: Analyzing trace with hash -955609821, now seen corresponding path program 1 times [2018-11-28 18:44:40,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:40,532 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:40,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:40,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:40,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:40,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:40,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:40,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:40,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:40,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:40,694 INFO L87 Difference]: Start difference. First operand 755 states and 919 transitions. Second operand 6 states. [2018-11-28 18:44:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:40,838 INFO L93 Difference]: Finished difference Result 1510 states and 1898 transitions. [2018-11-28 18:44:40,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:40,841 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 18:44:40,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:40,849 INFO L225 Difference]: With dead ends: 1510 [2018-11-28 18:44:40,849 INFO L226 Difference]: Without dead ends: 783 [2018-11-28 18:44:40,852 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 18:44:40,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2018-11-28 18:44:40,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 775. [2018-11-28 18:44:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-28 18:44:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-11-28 18:44:40,910 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 103 [2018-11-28 18:44:40,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:40,911 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-11-28 18:44:40,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-11-28 18:44:40,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:40,916 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:40,916 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:40,916 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:40,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:40,917 INFO L82 PathProgramCache]: Analyzing trace with hash 972662881, now seen corresponding path program 1 times [2018-11-28 18:44:40,917 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:40,917 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:40,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:40,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:41,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:41,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:41,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 18:44:41,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 18:44:41,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 18:44:41,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:41,560 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 8 states. [2018-11-28 18:44:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:41,709 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-11-28 18:44:41,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:41,713 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-28 18:44:41,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:41,719 INFO L225 Difference]: With dead ends: 1550 [2018-11-28 18:44:41,720 INFO L226 Difference]: Without dead ends: 803 [2018-11-28 18:44:41,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:44:41,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-28 18:44:41,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 791. [2018-11-28 18:44:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-28 18:44:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 955 transitions. [2018-11-28 18:44:41,775 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 955 transitions. Word has length 103 [2018-11-28 18:44:41,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:41,776 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 955 transitions. [2018-11-28 18:44:41,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 18:44:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 955 transitions. [2018-11-28 18:44:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 18:44:41,780 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:41,780 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:41,780 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:41,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:41,780 INFO L82 PathProgramCache]: Analyzing trace with hash 732122752, now seen corresponding path program 1 times [2018-11-28 18:44:41,781 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:41,781 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:41,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:41,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 18:44:41,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:41,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:44:41,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:44:41,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:44:41,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:41,956 INFO L87 Difference]: Start difference. First operand 791 states and 955 transitions. Second operand 4 states. [2018-11-28 18:44:43,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:43,192 INFO L93 Difference]: Finished difference Result 2497 states and 3166 transitions. [2018-11-28 18:44:43,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 18:44:43,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 18:44:43,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:43,205 INFO L225 Difference]: With dead ends: 2497 [2018-11-28 18:44:43,205 INFO L226 Difference]: Without dead ends: 1734 [2018-11-28 18:44:43,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:44:43,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1734 states. [2018-11-28 18:44:43,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1734 to 1703. [2018-11-28 18:44:43,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-28 18:44:43,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 2111 transitions. [2018-11-28 18:44:43,340 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 2111 transitions. Word has length 103 [2018-11-28 18:44:43,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:43,340 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 2111 transitions. [2018-11-28 18:44:43,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:44:43,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2111 transitions. [2018-11-28 18:44:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 18:44:43,346 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:43,347 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:43,347 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:43,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash -737330874, now seen corresponding path program 1 times [2018-11-28 18:44:43,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:43,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:43,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:44:43,563 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:43,563 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 18:44:43,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:43,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:44:45,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:45,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:45,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:45,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:45,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:45,107 INFO L87 Difference]: Start difference. First operand 1703 states and 2111 transitions. Second operand 19 states. [2018-11-28 18:44:48,859 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-11-28 18:44:54,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:54,125 INFO L93 Difference]: Finished difference Result 3348 states and 4198 transitions. [2018-11-28 18:44:54,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:54,125 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 18:44:54,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:54,138 INFO L225 Difference]: With dead ends: 3348 [2018-11-28 18:44:54,139 INFO L226 Difference]: Without dead ends: 1673 [2018-11-28 18:44:54,145 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2018-11-28 18:44:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1673. [2018-11-28 18:44:54,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1673 states. [2018-11-28 18:44:54,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1673 states to 1673 states and 2029 transitions. [2018-11-28 18:44:54,262 INFO L78 Accepts]: Start accepts. Automaton has 1673 states and 2029 transitions. Word has length 107 [2018-11-28 18:44:54,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:54,263 INFO L480 AbstractCegarLoop]: Abstraction has 1673 states and 2029 transitions. [2018-11-28 18:44:54,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:54,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1673 states and 2029 transitions. [2018-11-28 18:44:54,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-28 18:44:54,272 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:54,273 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:54,273 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:54,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:54,274 INFO L82 PathProgramCache]: Analyzing trace with hash 809644560, now seen corresponding path program 1 times [2018-11-28 18:44:54,275 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:54,275 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:54,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:54,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:54,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 18:44:55,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:44:55,156 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 18:44:55,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:55,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:44:55,925 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 18:44:55,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:44:55,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 18:44:55,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 18:44:55,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 18:44:55,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:44:55,946 INFO L87 Difference]: Start difference. First operand 1673 states and 2029 transitions. Second operand 19 states. [2018-11-28 18:44:57,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:57,432 INFO L93 Difference]: Finished difference Result 2831 states and 3497 transitions. [2018-11-28 18:44:57,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 18:44:57,433 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2018-11-28 18:44:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:57,434 INFO L225 Difference]: With dead ends: 2831 [2018-11-28 18:44:57,435 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:57,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 18:44:57,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:57,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:57,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:57,478 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-11-28 18:44:57,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:57,478 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:57,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 18:44:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:57,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:57,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:57,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:57,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:44:58,933 WARN L180 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 15 [2018-11-28 18:44:59,504 WARN L180 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 15 [2018-11-28 18:44:59,763 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2018-11-28 18:44:59,917 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 18 [2018-11-28 18:45:00,122 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2018-11-28 18:45:00,380 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 16 [2018-11-28 18:45:00,728 WARN L180 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2018-11-28 18:45:01,876 WARN L180 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-11-28 18:45:02,138 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 19 [2018-11-28 18:45:02,302 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 17 [2018-11-28 18:45:02,612 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-28 18:45:02,849 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 1 [2018-11-28 18:45:03,118 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 19 [2018-11-28 18:45:03,310 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 22 [2018-11-28 18:45:03,780 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2018-11-28 18:45:03,913 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 29 [2018-11-28 18:45:04,082 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 24 [2018-11-28 18:45:04,463 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-28 18:45:04,797 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 28 [2018-11-28 18:45:05,301 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 28 [2018-11-28 18:45:05,317 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-28 18:45:05,317 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-28 18:45:05,317 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:45:05,317 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-28 18:45:05,318 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-28 18:45:05,318 INFO L444 ceAbstractionStarter]: At program point L578-1(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,318 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 572 594) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,318 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 572 594) no Hoare annotation was computed. [2018-11-28 18:45:05,318 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 572 594) no Hoare annotation was computed. [2018-11-28 18:45:05,318 INFO L444 ceAbstractionStarter]: At program point L584(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,318 INFO L444 ceAbstractionStarter]: At program point L584-1(line 584) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,319 INFO L448 ceAbstractionStarter]: For program point L582(lines 582 589) no Hoare annotation was computed. [2018-11-28 18:45:05,319 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 582 589) no Hoare annotation was computed. [2018-11-28 18:45:05,319 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-28 18:45:05,319 INFO L444 ceAbstractionStarter]: At program point L579(line 579) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,319 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,319 INFO L448 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2018-11-28 18:45:05,319 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 753) no Hoare annotation was computed. [2018-11-28 18:45:05,319 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 732 756) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:05,320 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 18:45:05,320 INFO L448 ceAbstractionStarter]: For program point L751-1(lines 732 756) no Hoare annotation was computed. [2018-11-28 18:45:05,320 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 732 756) no Hoare annotation was computed. [2018-11-28 18:45:05,320 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-11-28 18:45:05,320 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-11-28 18:45:05,320 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 748) no Hoare annotation was computed. [2018-11-28 18:45:05,320 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:05,321 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-11-28 18:45:05,321 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2018-11-28 18:45:05,321 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 901) no Hoare annotation was computed. [2018-11-28 18:45:05,321 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-11-28 18:45:05,321 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2018-11-28 18:45:05,321 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2018-11-28 18:45:05,322 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2018-11-28 18:45:05,322 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2018-11-28 18:45:05,322 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-28 18:45:05,322 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-28 18:45:05,322 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 561 571) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,322 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 561 571) no Hoare annotation was computed. [2018-11-28 18:45:05,322 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 561 571) no Hoare annotation was computed. [2018-11-28 18:45:05,322 INFO L444 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,323 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2018-11-28 18:45:05,323 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2018-11-28 18:45:05,323 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2018-11-28 18:45:05,323 INFO L451 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: true [2018-11-28 18:45:05,323 INFO L448 ceAbstractionStarter]: For program point L821-1(line 821) no Hoare annotation was computed. [2018-11-28 18:45:05,323 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 18:45:05,323 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2018-11-28 18:45:05,323 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2018-11-28 18:45:05,323 INFO L444 ceAbstractionStarter]: At program point L768(line 768) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-11-28 18:45:05,324 INFO L448 ceAbstractionStarter]: For program point L766(lines 766 774) no Hoare annotation was computed. [2018-11-28 18:45:05,324 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-11-28 18:45:05,324 INFO L448 ceAbstractionStarter]: For program point L764-1(line 764) no Hoare annotation was computed. [2018-11-28 18:45:05,324 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 779) no Hoare annotation was computed. [2018-11-28 18:45:05,324 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 758 782) no Hoare annotation was computed. [2018-11-28 18:45:05,324 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 758 782) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 18:45:05,324 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:05,324 INFO L448 ceAbstractionStarter]: For program point L777-1(lines 758 782) no Hoare annotation was computed. [2018-11-28 18:45:05,325 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1))) [2018-11-28 18:45:05,325 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-28 18:45:05,325 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 679 692) no Hoare annotation was computed. [2018-11-28 18:45:05,328 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 679 692) the Hoare annotation is: true [2018-11-28 18:45:05,328 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 679 692) no Hoare annotation was computed. [2018-11-28 18:45:05,328 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 724 730) no Hoare annotation was computed. [2018-11-28 18:45:05,328 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 724 730) the Hoare annotation is: true [2018-11-28 18:45:05,328 INFO L444 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:05,328 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 907 972) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,328 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 933) no Hoare annotation was computed. [2018-11-28 18:45:05,328 INFO L448 ceAbstractionStarter]: For program point L927-1(lines 927 933) no Hoare annotation was computed. [2018-11-28 18:45:05,329 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 923) no Hoare annotation was computed. [2018-11-28 18:45:05,329 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 907 972) no Hoare annotation was computed. [2018-11-28 18:45:05,329 INFO L444 ceAbstractionStarter]: At program point L965(lines 916 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:45:05,329 INFO L444 ceAbstractionStarter]: At program point L955(line 955) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-11-28 18:45:05,329 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 959) no Hoare annotation was computed. [2018-11-28 18:45:05,329 INFO L444 ceAbstractionStarter]: At program point L953-1(lines 947 960) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 18:45:05,329 INFO L448 ceAbstractionStarter]: For program point L918(lines 917 964) no Hoare annotation was computed. [2018-11-28 18:45:05,329 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 960) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-28 18:45:05,330 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 937 943) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 907 972) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L444 ceAbstractionStarter]: At program point L962(lines 917 964) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-28 18:45:05,330 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 783 790) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:45:05,330 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 783 790) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 783 790) no Hoare annotation was computed. [2018-11-28 18:45:05,330 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 483) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 486) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L444 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 489) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 464 492) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L451 ceAbstractionStarter]: At program point L470(line 470) the Hoare annotation is: true [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point L470-1(line 470) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 464 492) the Hoare annotation is: true [2018-11-28 18:45:05,331 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 464 492) no Hoare annotation was computed. [2018-11-28 18:45:05,331 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 456 463) the Hoare annotation is: true [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 456 463) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 456 463) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 791 807) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 804) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 791 807) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-11-28 18:45:05,332 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 791 807) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 18:45:05,333 INFO L444 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 18:45:05,333 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 885) no Hoare annotation was computed. [2018-11-28 18:45:05,333 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2018-11-28 18:45:05,333 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-28 18:45:05,333 INFO L448 ceAbstractionStarter]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2018-11-28 18:45:05,333 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-28 18:45:05,333 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2018-11-28 18:45:05,333 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2018-11-28 18:45:05,333 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 626 637) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-28 18:45:05,334 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 626 637) no Hoare annotation was computed. [2018-11-28 18:45:05,334 INFO L448 ceAbstractionStarter]: For program point L630-1(lines 626 637) no Hoare annotation was computed. [2018-11-28 18:45:05,334 INFO L448 ceAbstractionStarter]: For program point L704(lines 703 722) no Hoare annotation was computed. [2018-11-28 18:45:05,334 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 700 723) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-11-28 18:45:05,334 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 700 723) no Hoare annotation was computed. [2018-11-28 18:45:05,334 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-11-28 18:45:05,335 INFO L444 ceAbstractionStarter]: At program point L711(lines 711 717) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1)) (.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1)))) (let ((.cse7 (and (not .cse9) .cse6)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse8 .cse9 .cse7 .cse2) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 (= 0 ~pumpRunning~0)) (or .cse4 .cse0 .cse3 .cse1)))) [2018-11-28 18:45:05,335 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 700 723) no Hoare annotation was computed. [2018-11-28 18:45:05,335 INFO L444 ceAbstractionStarter]: At program point L706(line 706) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-11-28 18:45:05,335 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 496 525) no Hoare annotation was computed. [2018-11-28 18:45:05,335 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 514) no Hoare annotation was computed. [2018-11-28 18:45:05,335 INFO L451 ceAbstractionStarter]: At program point L510-1(lines 510 514) the Hoare annotation is: true [2018-11-28 18:45:05,335 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 496 525) the Hoare annotation is: true [2018-11-28 18:45:05,335 INFO L448 ceAbstractionStarter]: For program point L507(line 507) no Hoare annotation was computed. [2018-11-28 18:45:05,335 INFO L451 ceAbstractionStarter]: At program point L506-2(lines 506 520) the Hoare annotation is: true [2018-11-28 18:45:05,335 INFO L451 ceAbstractionStarter]: At program point L502(line 502) the Hoare annotation is: true [2018-11-28 18:45:05,335 INFO L448 ceAbstractionStarter]: For program point L502-1(line 502) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L451 ceAbstractionStarter]: At program point L521(lines 496 525) the Hoare annotation is: true [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 638 646) the Hoare annotation is: true [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 638 646) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 638 646) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 602 613) the Hoare annotation is: true [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point L606-1(lines 602 613) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 602 613) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-28 18:45:05,336 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 553 559) the Hoare annotation is: true [2018-11-28 18:45:05,336 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 18:45:05,337 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 614 625) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point L618-1(lines 614 625) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 614 625) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:45:05,337 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:45:05,337 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:45:05,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:45:05 BoogieIcfgContainer [2018-11-28 18:45:05,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:45:05,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:45:05,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:45:05,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:45:05,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:35" (3/4) ... [2018-11-28 18:45:05,360 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:45:05,367 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:45:05,368 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:45:05,369 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:45:05,370 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:45:05,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 18:45:05,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:45:05,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:45:05,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:45:05,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:45:05,383 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:45:05,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-28 18:45:05,416 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:45:05,500 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:45:05,501 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:45:05,502 INFO L168 Benchmark]: Toolchain (without parser) took 32481.90 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.0 MB). Free memory was 948.7 MB in the beginning and 944.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 349.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:05,503 INFO L168 Benchmark]: CDTParser took 0.21 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 18:45:05,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:05,504 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:05,504 INFO L168 Benchmark]: Boogie Preprocessor took 44.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:45:05,504 INFO L168 Benchmark]: RCFGBuilder took 1201.33 ms. Allocated memory is still 1.1 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 18:45:05,504 INFO L168 Benchmark]: TraceAbstraction took 30241.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 229.6 MB). Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 93.4 MB). Peak memory consumption was 432.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:05,507 INFO L168 Benchmark]: Witness Printer took 145.76 ms. Allocated memory is still 1.4 GB. Free memory was 957.5 MB in the beginning and 944.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:45:05,510 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 799.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.07 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1201.33 ms. Allocated memory is still 1.1 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 30241.20 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 229.6 MB). Free memory was 1.1 GB in the beginning and 957.5 MB in the end (delta: 93.4 MB). Peak memory consumption was 432.8 MB. Max. memory is 11.5 GB. * Witness Printer took 145.76 ms. Allocated memory is still 1.4 GB. Free memory was 957.5 MB in the beginning and 944.8 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 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: 917]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 506]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 30.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 15.5s AutomataDifference, 0.0s DeadEndRemovalTime, 7.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1899 SDtfs, 1299 SDslu, 7733 SDs, 0 SdLazy, 3091 SolverSat, 196 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 393 GetRequests, 290 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1703occurred in iteration=8, 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: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 161 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3298 PreInvPairs, 3537 NumberOfFragments, 1787 HoareAnnotationTreeSize, 3298 FomulaSimplifications, 4129 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 13854 FormulaSimplificationTreeSizeReductionInter, 6.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 1126 NumberOfCodeBlocks, 1126 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1114 ConstructedInterpolants, 0 QuantifiedInterpolants, 183323 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1692 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 107/111 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...