./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer --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 cfed73d0949579dcb398cd2d92995791596ce6cd ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:20:53,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:20:53,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:20:53,945 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:20:53,945 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:20:53,946 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:20:53,947 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:20:53,948 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:20:53,949 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:20:53,950 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:20:53,950 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:20:53,951 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:20:53,951 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:20:53,952 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:20:53,952 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:20:53,952 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:20:53,953 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:20:53,954 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:20:53,956 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:20:53,957 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:20:53,957 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:20:53,958 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:20:53,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:20:53,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:20:53,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:20:53,961 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:20:53,962 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:20:53,962 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:20:53,963 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:20:53,964 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:20:53,965 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:20:53,965 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:20:53,965 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:20:53,965 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:20:53,966 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:20:53,967 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:20:53,967 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:20:53,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:20:53,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:20:53,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:20:53,979 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:20:53,979 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:20:53,979 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:20:53,980 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:20:53,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:20:53,981 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:20:53,981 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:20:53,982 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:20:53,982 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:20:53,983 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:20:53,983 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:20:53,983 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer 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 -> cfed73d0949579dcb398cd2d92995791596ce6cd [2018-11-23 06:20:54,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:20:54,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:20:54,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:20:54,024 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:20:54,024 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:20:54,025 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:20:54,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/data/f7b939703/4ff2bed3b5dc4a908a4e8444cb455b25/FLAG88a10efe2 [2018-11-23 06:20:54,431 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:20:54,432 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/sv-benchmarks/c/product-lines/minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:20:54,441 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/data/f7b939703/4ff2bed3b5dc4a908a4e8444cb455b25/FLAG88a10efe2 [2018-11-23 06:20:54,845 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/data/f7b939703/4ff2bed3b5dc4a908a4e8444cb455b25 [2018-11-23 06:20:54,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:20:54,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:20:54,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:20:54,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:20:54,852 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:20:54,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:54" (1/1) ... [2018-11-23 06:20:54,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:54, skipping insertion in model container [2018-11-23 06:20:54,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:20:54" (1/1) ... [2018-11-23 06:20:54,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:20:54,897 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:20:55,093 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:20:55,102 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:20:55,200 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:20:55,222 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:20:55,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55 WrapperNode [2018-11-23 06:20:55,223 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:20:55,224 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:20:55,224 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:20:55,224 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:20:55,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:20:55,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:20:55,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:20:55,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:20:55,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... [2018-11-23 06:20:55,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:20:55,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:20:55,277 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:20:55,277 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:20:55,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/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 [2018-11-23 06:20:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:20:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:20:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:20:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:20:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:20:55,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:20:55,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:20:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:20:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:20:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 06:20:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 06:20:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 06:20:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 06:20:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:20:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:20:55,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 06:20:55,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 06:20:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 06:20:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 06:20:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:20:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:20:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:20:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:20:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:20:55,329 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:20:55,329 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 06:20:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:20:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 06:20:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:20:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:20:55,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:20:55,330 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:20:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:20:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:20:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:20:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:20:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:20:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:20:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 06:20:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 06:20:55,331 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:20:55,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:20:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:20:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:20:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 06:20:55,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 06:20:55,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:20:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:20:55,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:20:55,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:20:55,763 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:20:55,763 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:20:55,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:55 BoogieIcfgContainer [2018-11-23 06:20:55,764 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:20:55,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:20:55,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:20:55,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:20:55,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:20:54" (1/3) ... [2018-11-23 06:20:55,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d071269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:55, skipping insertion in model container [2018-11-23 06:20:55,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:20:55" (2/3) ... [2018-11-23 06:20:55,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d071269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:20:55, skipping insertion in model container [2018-11-23 06:20:55,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:55" (3/3) ... [2018-11-23 06:20:55,769 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46_true-unreach-call_false-termination.cil.c [2018-11-23 06:20:55,775 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:20:55,780 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:20:55,789 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:20:55,809 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:20:55,810 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:20:55,810 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:20:55,810 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:20:55,810 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:20:55,810 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:20:55,811 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:20:55,811 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:20:55,811 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:20:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-23 06:20:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 06:20:55,832 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:55,833 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] [2018-11-23 06:20:55,835 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:55,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:55,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1275178253, now seen corresponding path program 1 times [2018-11-23 06:20:55,839 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:55,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:55,868 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:55,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:55,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:56,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:56,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:56,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:20:56,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:20:56,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:20:56,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:20:56,032 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-23 06:20:56,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:56,060 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-11-23 06:20:56,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:20:56,061 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 06:20:56,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:56,069 INFO L225 Difference]: With dead ends: 280 [2018-11-23 06:20:56,070 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 06:20:56,072 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 [2018-11-23 06:20:56,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 06:20:56,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 06:20:56,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 06:20:56,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-23 06:20:56,103 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-11-23 06:20:56,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:56,103 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-23 06:20:56,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:20:56,104 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-23 06:20:56,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 06:20:56,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:56,106 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] [2018-11-23 06:20:56,107 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:56,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:56,107 INFO L82 PathProgramCache]: Analyzing trace with hash 511140134, now seen corresponding path program 1 times [2018-11-23 06:20:56,107 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:56,107 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:56,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:56,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:56,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:56,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:20:56,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:20:56,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:20:56,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:20:56,188 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-11-23 06:20:56,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:56,206 INFO L93 Difference]: Finished difference Result 225 states and 265 transitions. [2018-11-23 06:20:56,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:20:56,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 06:20:56,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:56,208 INFO L225 Difference]: With dead ends: 225 [2018-11-23 06:20:56,208 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 06:20:56,209 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 [2018-11-23 06:20:56,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 06:20:56,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 06:20:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 06:20:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-11-23 06:20:56,218 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-11-23 06:20:56,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:56,218 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-11-23 06:20:56,218 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:20:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-11-23 06:20:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 06:20:56,219 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:56,219 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] [2018-11-23 06:20:56,220 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:56,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:56,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1181363005, now seen corresponding path program 1 times [2018-11-23 06:20:56,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:56,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:56,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:56,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:56,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:56,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:56,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:20:56,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:20:56,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:20:56,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:20:56,367 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-11-23 06:20:56,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:56,576 INFO L93 Difference]: Finished difference Result 238 states and 283 transitions. [2018-11-23 06:20:56,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:20:56,577 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 06:20:56,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:56,578 INFO L225 Difference]: With dead ends: 238 [2018-11-23 06:20:56,578 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 06:20:56,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:20:56,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 06:20:56,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 06:20:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 06:20:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-23 06:20:56,589 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-11-23 06:20:56,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:56,589 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-23 06:20:56,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:20:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-23 06:20:56,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 06:20:56,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:56,591 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:20:56,591 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:56,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:56,591 INFO L82 PathProgramCache]: Analyzing trace with hash -934730876, now seen corresponding path program 1 times [2018-11-23 06:20:56,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:56,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:56,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:56,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:56,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:56,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:20:56,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:20:56,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:20:56,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:20:56,699 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-11-23 06:20:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:57,212 INFO L93 Difference]: Finished difference Result 356 states and 428 transitions. [2018-11-23 06:20:57,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:20:57,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-23 06:20:57,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:57,215 INFO L225 Difference]: With dead ends: 356 [2018-11-23 06:20:57,215 INFO L226 Difference]: Without dead ends: 249 [2018-11-23 06:20:57,216 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:20:57,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-11-23 06:20:57,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 230. [2018-11-23 06:20:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-23 06:20:57,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 262 transitions. [2018-11-23 06:20:57,239 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 262 transitions. Word has length 71 [2018-11-23 06:20:57,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:57,239 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 262 transitions. [2018-11-23 06:20:57,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:20:57,239 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 262 transitions. [2018-11-23 06:20:57,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 06:20:57,241 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:57,241 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:20:57,241 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:57,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:57,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1197479596, now seen corresponding path program 1 times [2018-11-23 06:20:57,241 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:57,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:57,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:57,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:57,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:57,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:57,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:20:57,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:20:57,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:20:57,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:20:57,330 INFO L87 Difference]: Start difference. First operand 230 states and 262 transitions. Second operand 6 states. [2018-11-23 06:20:57,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:57,489 INFO L93 Difference]: Finished difference Result 570 states and 681 transitions. [2018-11-23 06:20:57,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:20:57,490 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-23 06:20:57,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:57,494 INFO L225 Difference]: With dead ends: 570 [2018-11-23 06:20:57,494 INFO L226 Difference]: Without dead ends: 364 [2018-11-23 06:20:57,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:20:57,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-11-23 06:20:57,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-11-23 06:20:57,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-11-23 06:20:57,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 416 transitions. [2018-11-23 06:20:57,542 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 416 transitions. Word has length 85 [2018-11-23 06:20:57,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:57,542 INFO L480 AbstractCegarLoop]: Abstraction has 360 states and 416 transitions. [2018-11-23 06:20:57,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:20:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 416 transitions. [2018-11-23 06:20:57,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 06:20:57,543 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:57,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:20:57,544 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:57,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:57,544 INFO L82 PathProgramCache]: Analyzing trace with hash -447752270, now seen corresponding path program 1 times [2018-11-23 06:20:57,544 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:57,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:57,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:57,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:57,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:57,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:20:57,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:20:57,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:20:57,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:20:57,660 INFO L87 Difference]: Start difference. First operand 360 states and 416 transitions. Second operand 6 states. [2018-11-23 06:20:57,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:57,827 INFO L93 Difference]: Finished difference Result 767 states and 921 transitions. [2018-11-23 06:20:57,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:20:57,827 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 06:20:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:57,830 INFO L225 Difference]: With dead ends: 767 [2018-11-23 06:20:57,830 INFO L226 Difference]: Without dead ends: 561 [2018-11-23 06:20:57,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:20:57,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-11-23 06:20:57,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 543. [2018-11-23 06:20:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2018-11-23 06:20:57,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 641 transitions. [2018-11-23 06:20:57,868 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 641 transitions. Word has length 89 [2018-11-23 06:20:57,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:57,869 INFO L480 AbstractCegarLoop]: Abstraction has 543 states and 641 transitions. [2018-11-23 06:20:57,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:20:57,869 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 641 transitions. [2018-11-23 06:20:57,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 06:20:57,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:57,871 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:20:57,871 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:57,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:57,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1370435853, now seen corresponding path program 1 times [2018-11-23 06:20:57,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:57,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:57,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:57,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:57,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:20:57,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:20:57,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:20:57,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:20:57,950 INFO L87 Difference]: Start difference. First operand 543 states and 641 transitions. Second operand 5 states. [2018-11-23 06:20:57,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:57,987 INFO L93 Difference]: Finished difference Result 942 states and 1134 transitions. [2018-11-23 06:20:57,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 06:20:57,988 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-23 06:20:57,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:57,991 INFO L225 Difference]: With dead ends: 942 [2018-11-23 06:20:57,991 INFO L226 Difference]: Without dead ends: 553 [2018-11-23 06:20:57,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:20:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-11-23 06:20:58,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-11-23 06:20:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-11-23 06:20:58,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 644 transitions. [2018-11-23 06:20:58,021 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 644 transitions. Word has length 89 [2018-11-23 06:20:58,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:58,022 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 644 transitions. [2018-11-23 06:20:58,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:20:58,022 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 644 transitions. [2018-11-23 06:20:58,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 06:20:58,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:58,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:20:58,024 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:58,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:58,024 INFO L82 PathProgramCache]: Analyzing trace with hash 2080525941, now seen corresponding path program 1 times [2018-11-23 06:20:58,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:58,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:58,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:58,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:58,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:58,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:58,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 06:20:58,108 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:20:58,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:20:58,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:20:58,108 INFO L87 Difference]: Start difference. First operand 547 states and 644 transitions. Second operand 9 states. [2018-11-23 06:20:58,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:58,207 INFO L93 Difference]: Finished difference Result 1087 states and 1306 transitions. [2018-11-23 06:20:58,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:20:58,208 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 06:20:58,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:58,211 INFO L225 Difference]: With dead ends: 1087 [2018-11-23 06:20:58,211 INFO L226 Difference]: Without dead ends: 564 [2018-11-23 06:20:58,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:20:58,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-23 06:20:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 554. [2018-11-23 06:20:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-11-23 06:20:58,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 651 transitions. [2018-11-23 06:20:58,240 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 651 transitions. Word has length 89 [2018-11-23 06:20:58,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:58,240 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 651 transitions. [2018-11-23 06:20:58,240 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:20:58,240 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 651 transitions. [2018-11-23 06:20:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 06:20:58,242 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:58,242 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] [2018-11-23 06:20:58,242 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:58,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:58,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1634582220, now seen corresponding path program 1 times [2018-11-23 06:20:58,242 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:58,242 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:58,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:58,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:58,243 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:58,314 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 06:20:58,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:20:58,315 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/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 [2018-11-23 06:20:58,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:58,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:20:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:20:58,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:20:58,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-23 06:20:58,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 06:20:58,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 06:20:58,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:20:58,570 INFO L87 Difference]: Start difference. First operand 554 states and 651 transitions. Second operand 14 states. [2018-11-23 06:20:59,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:59,147 INFO L93 Difference]: Finished difference Result 1499 states and 1821 transitions. [2018-11-23 06:20:59,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 06:20:59,147 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-11-23 06:20:59,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:59,152 INFO L225 Difference]: With dead ends: 1499 [2018-11-23 06:20:59,152 INFO L226 Difference]: Without dead ends: 969 [2018-11-23 06:20:59,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:20:59,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-11-23 06:20:59,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 966. [2018-11-23 06:20:59,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 966 states. [2018-11-23 06:20:59,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1126 transitions. [2018-11-23 06:20:59,210 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1126 transitions. Word has length 101 [2018-11-23 06:20:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:59,211 INFO L480 AbstractCegarLoop]: Abstraction has 966 states and 1126 transitions. [2018-11-23 06:20:59,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 06:20:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1126 transitions. [2018-11-23 06:20:59,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 06:20:59,214 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:59,214 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] [2018-11-23 06:20:59,214 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:59,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:59,214 INFO L82 PathProgramCache]: Analyzing trace with hash 302274552, now seen corresponding path program 1 times [2018-11-23 06:20:59,215 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:59,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:59,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:59,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:59,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 06:20:59,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:59,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:20:59,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:20:59,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:20:59,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:20:59,372 INFO L87 Difference]: Start difference. First operand 966 states and 1126 transitions. Second operand 10 states. [2018-11-23 06:20:59,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:59,545 INFO L93 Difference]: Finished difference Result 1882 states and 2224 transitions. [2018-11-23 06:20:59,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 06:20:59,546 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 06:20:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:59,550 INFO L225 Difference]: With dead ends: 1882 [2018-11-23 06:20:59,550 INFO L226 Difference]: Without dead ends: 940 [2018-11-23 06:20:59,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:20:59,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2018-11-23 06:20:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 924. [2018-11-23 06:20:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2018-11-23 06:20:59,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1075 transitions. [2018-11-23 06:20:59,596 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1075 transitions. Word has length 105 [2018-11-23 06:20:59,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:59,596 INFO L480 AbstractCegarLoop]: Abstraction has 924 states and 1075 transitions. [2018-11-23 06:20:59,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:20:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1075 transitions. [2018-11-23 06:20:59,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 06:20:59,598 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:59,598 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] [2018-11-23 06:20:59,599 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:59,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:59,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1308230506, now seen corresponding path program 1 times [2018-11-23 06:20:59,599 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:59,599 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:59,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:59,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:20:59,682 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:20:59,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:20:59,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:20:59,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:20:59,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:20:59,684 INFO L87 Difference]: Start difference. First operand 924 states and 1075 transitions. Second operand 10 states. [2018-11-23 06:20:59,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:20:59,844 INFO L93 Difference]: Finished difference Result 1830 states and 2132 transitions. [2018-11-23 06:20:59,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 06:20:59,845 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 06:20:59,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:20:59,849 INFO L225 Difference]: With dead ends: 1830 [2018-11-23 06:20:59,850 INFO L226 Difference]: Without dead ends: 930 [2018-11-23 06:20:59,852 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:20:59,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2018-11-23 06:20:59,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 886. [2018-11-23 06:20:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2018-11-23 06:20:59,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1001 transitions. [2018-11-23 06:20:59,892 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1001 transitions. Word has length 105 [2018-11-23 06:20:59,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:20:59,893 INFO L480 AbstractCegarLoop]: Abstraction has 886 states and 1001 transitions. [2018-11-23 06:20:59,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:20:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1001 transitions. [2018-11-23 06:20:59,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-23 06:20:59,896 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:20:59,896 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] [2018-11-23 06:20:59,896 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:20:59,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:20:59,896 INFO L82 PathProgramCache]: Analyzing trace with hash 769747120, now seen corresponding path program 1 times [2018-11-23 06:20:59,896 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:20:59,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:20:59,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:20:59,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:20:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:20:59,962 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 06:20:59,962 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:20:59,962 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/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 [2018-11-23 06:20:59,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:21:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:21:00,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:21:00,260 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:21:00,287 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:21:00,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-11-23 06:21:00,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 06:21:00,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 06:21:00,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:21:00,288 INFO L87 Difference]: Start difference. First operand 886 states and 1001 transitions. Second operand 14 states. [2018-11-23 06:21:01,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:21:01,362 INFO L93 Difference]: Finished difference Result 2155 states and 2767 transitions. [2018-11-23 06:21:01,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 06:21:01,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 153 [2018-11-23 06:21:01,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:21:01,363 INFO L225 Difference]: With dead ends: 2155 [2018-11-23 06:21:01,363 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:21:01,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2018-11-23 06:21:01,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:21:01,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:21:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:21:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:21:01,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-23 06:21:01,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:21:01,368 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:21:01,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 06:21:01,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:21:01,368 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:21:01,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:21:01,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:01,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:21:02,370 WARN L180 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 45 [2018-11-23 06:21:02,869 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 47 [2018-11-23 06:21:03,216 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2018-11-23 06:21:03,556 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-11-23 06:21:03,785 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 37 [2018-11-23 06:21:03,906 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2018-11-23 06:21:04,241 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 48 [2018-11-23 06:21:04,459 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 31 [2018-11-23 06:21:05,166 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 06:21:05,167 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 06:21:05,167 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-11-23 06:21:05,167 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-11-23 06:21:05,167 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-11-23 06:21:05,167 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 559 581) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,167 INFO L444 ceAbstractionStarter]: At program point L571(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:21:05,167 INFO L444 ceAbstractionStarter]: At program point L571-1(line 571) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 06:21:05,167 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 576) no Hoare annotation was computed. [2018-11-23 06:21:05,168 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 559 581) no Hoare annotation was computed. [2018-11-23 06:21:05,168 INFO L448 ceAbstractionStarter]: For program point L569-1(lines 569 576) no Hoare annotation was computed. [2018-11-23 06:21:05,168 INFO L448 ceAbstractionStarter]: For program point L567(line 567) no Hoare annotation was computed. [2018-11-23 06:21:05,168 INFO L444 ceAbstractionStarter]: At program point L566(line 566) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,168 INFO L444 ceAbstractionStarter]: At program point L565(line 565) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,168 INFO L444 ceAbstractionStarter]: At program point L565-1(line 565) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,168 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 559 581) no Hoare annotation was computed. [2018-11-23 06:21:05,168 INFO L444 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-11-23 06:21:05,168 INFO L448 ceAbstractionStarter]: For program point L737-1(lines 718 742) no Hoare annotation was computed. [2018-11-23 06:21:05,169 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse3 .cse5) (or .cse0 .cse6 .cse7 .cse3))) [2018-11-23 06:21:05,169 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~5 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (and .cse9 (<= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse8 .cse6 .cse7 .cse3)))) [2018-11-23 06:21:05,169 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 734) no Hoare annotation was computed. [2018-11-23 06:21:05,169 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 06:21:05,169 INFO L448 ceAbstractionStarter]: For program point L724-1(line 724) no Hoare annotation was computed. [2018-11-23 06:21:05,169 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 739) no Hoare annotation was computed. [2018-11-23 06:21:05,169 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 718 742) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-11-23 06:21:05,169 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 718 742) no Hoare annotation was computed. [2018-11-23 06:21:05,169 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 813 821) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 813 821) the Hoare annotation is: true [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 813 821) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-11-23 06:21:05,170 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 549 558) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 549 558) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 549 558) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 802 812) the Hoare annotation is: true [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 802 812) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L451 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 802 812) no Hoare annotation was computed. [2018-11-23 06:21:05,170 INFO L448 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2018-11-23 06:21:05,171 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 794 801) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 06:21:05,171 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 794 801) no Hoare annotation was computed. [2018-11-23 06:21:05,171 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 794 801) no Hoare annotation was computed. [2018-11-23 06:21:05,171 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse1 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 06:21:05,171 INFO L448 ceAbstractionStarter]: For program point L763-1(lines 744 768) no Hoare annotation was computed. [2018-11-23 06:21:05,171 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 744 768) no Hoare annotation was computed. [2018-11-23 06:21:05,171 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-11-23 06:21:05,171 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 744 768) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse8 .cse7 .cse3 .cse4))) [2018-11-23 06:21:05,171 INFO L444 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 760) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L444 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse5 .cse7 .cse6 .cse2 .cse3))) [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 765) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 675) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 665 678) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 665 678) the Hoare annotation is: true [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 665 678) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 710 716) no Hoare annotation was computed. [2018-11-23 06:21:05,172 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 710 716) the Hoare annotation is: true [2018-11-23 06:21:05,172 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 886 951) 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)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 886 951) no Hoare annotation was computed. [2018-11-23 06:21:05,173 INFO L444 ceAbstractionStarter]: At program point L944(lines 895 945) 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))) [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point L934(lines 934 938) no Hoare annotation was computed. [2018-11-23 06:21:05,173 INFO L444 ceAbstractionStarter]: At program point L934-2(lines 926 939) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point L897(lines 896 943) no Hoare annotation was computed. [2018-11-23 06:21:05,173 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-11-23 06:21:05,173 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-11-23 06:21:05,173 INFO L448 ceAbstractionStarter]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L444 ceAbstractionStarter]: At program point L941(lines 896 943) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-11-23 06:21:05,174 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse6 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse7 .cse0 .cse3 .cse4))) [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 912) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 906 912) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 886 951) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 902) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 769 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 769 776) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 769 776) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:21:05,174 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 790) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L444 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 777 793) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 777 793) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-23 06:21:05,175 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) (= 0 ~pumpRunning~0))))) [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point L788-1(lines 777 793) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L451 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: true [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point L867-2(lines 867 871) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 858 876) no Hoare annotation was computed. [2018-11-23 06:21:05,175 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 858 876) the Hoare annotation is: true [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 858 876) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 871) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 656 664) the Hoare annotation is: true [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 656 664) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 656 664) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 612 623) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse4 .cse3 .cse7) (or .cse1 .cse0 .cse5 .cse4 .cse3) (or .cse4 (or .cse2 .cse3 .cse7) .cse6))) [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 612 623) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 612 623) no Hoare annotation was computed. [2018-11-23 06:21:05,176 INFO L444 ceAbstractionStarter]: At program point L699(line 699) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse11 (and .cse8 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1)))) (and (or .cse0 (and .cse1 (<= ~waterLevel~0 2)) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse3 .cse6 .cse7) (or .cse5 (and .cse8 .cse1) .cse0 .cse2 .cse3) (or .cse5 .cse9 .cse3 .cse7 .cse10) (or .cse10 .cse9 .cse3 .cse7 .cse4) (or .cse2 (or .cse9 .cse3 .cse4) .cse11) (or .cse0 .cse3 .cse7 .cse4 .cse6) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse8 .cse3 .cse4) (or (or .cse5 .cse9 .cse3) .cse2 .cse11)))) [2018-11-23 06:21:05,177 INFO L444 ceAbstractionStarter]: At program point L697(lines 697 703) the Hoare annotation is: (let ((.cse13 (= ~pumpRunning~0 1)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0)) (.cse14 (<= ~waterLevel~0 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (and .cse9 .cse10 .cse14)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and .cse9 .cse14 .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse0 .cse6 .cse2) .cse7 .cse8) (or .cse0 (and .cse9 .cse10) .cse1 .cse7 .cse2) (or .cse11 .cse6 .cse2 .cse4 .cse12) (or .cse1 .cse3 .cse2 .cse4 .cse12) (or .cse1 .cse5 (and .cse9 .cse13) .cse7 .cse2 .cse12) (or .cse0 .cse6 .cse2 .cse11 .cse4) (or .cse5 .cse7 (or .cse6 .cse2 .cse12) .cse8)))) [2018-11-23 06:21:05,177 INFO L444 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse7 .cse2 .cse3)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse3) (or .cse0 (and (<= ~waterLevel~0 2) .cse10) .cse9) (or (and .cse1 .cse10) .cse9 (or .cse2 .cse3 .cse5)) (or .cse6 .cse7 .cse2 .cse3 .cse4) (or .cse8 .cse9 .cse3 .cse5)))) [2018-11-23 06:21:05,177 INFO L448 ceAbstractionStarter]: For program point L690(lines 689 708) no Hoare annotation was computed. [2018-11-23 06:21:05,177 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 686 709) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (= ~pumpRunning~0 1)) (.cse13 (or .cse9 .cse6 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse10 (= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4 .cse5) (or .cse3 (or .cse6 .cse4 .cse5) (and .cse7 .cse8)) (or .cse9 .cse0 .cse4 .cse10 .cse11) (or .cse9 (and .cse7 .cse1) .cse0 .cse3 .cse4) (or .cse12 .cse13 .cse7) (or .cse10 .cse6 .cse4 .cse11 .cse5) (or (and .cse2 .cse8) .cse13 .cse3) (or .cse0 .cse4 .cse11 .cse5 .cse10) (or .cse10 .cse9 .cse6 .cse4 .cse11) (or .cse12 .cse0 .cse7 .cse4 .cse5)))) [2018-11-23 06:21:05,177 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 686 709) no Hoare annotation was computed. [2018-11-23 06:21:05,177 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 686 709) no Hoare annotation was computed. [2018-11-23 06:21:05,177 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 484 513) no Hoare annotation was computed. [2018-11-23 06:21:05,177 INFO L451 ceAbstractionStarter]: At program point L509(lines 484 513) the Hoare annotation is: true [2018-11-23 06:21:05,177 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 484 513) the Hoare annotation is: true [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 502) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L451 ceAbstractionStarter]: At program point L498-1(lines 498 502) the Hoare annotation is: true [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point L495(line 495) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L451 ceAbstractionStarter]: At program point L494-2(lines 494 508) the Hoare annotation is: true [2018-11-23 06:21:05,178 INFO L451 ceAbstractionStarter]: At program point L490(line 490) the Hoare annotation is: true [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point L490-1(line 490) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 624 632) the Hoare annotation is: true [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-23 06:21:05,178 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (< 2 ~waterLevel~0) .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse3 .cse1 .cse2 .cse5) (or .cse3 .cse4 .cse2 .cse5))) [2018-11-23 06:21:05,178 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-11-23 06:21:05,179 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse1) (or .cse0 (< 1 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse1))) [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-11-23 06:21:05,179 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-23 06:21:05,179 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 588 599) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse4 .cse0 .cse6) (or .cse0 (<= ~waterLevel~0 2) .cse2 .cse4 .cse7) (or .cse4 .cse0 .cse6 .cse7 .cse5) (or .cse0 (< 1 |old(~waterLevel~0)|) .cse4 .cse3 .cse7))) [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 588 599) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 541 547) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 541 547) the Hoare annotation is: true [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:21:05,180 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)) [2018-11-23 06:21:05,180 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 877 884) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 877 884) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse4 .cse6 .cse0 .cse2) (or .cse4 (or .cse5 .cse1 .cse2) .cse0) (or .cse6 .cse4 .cse0 .cse2 .cse3))) [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 877 884) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 600 611) no Hoare annotation was computed. [2018-11-23 06:21:05,180 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-11-23 06:21:05,181 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 600 611) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse4 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3) (or .cse6 .cse2 .cse5 .cse3 .cse4) (or .cse7 .cse8 .cse6 .cse0 .cse2) (or .cse7 .cse6 .cse2 .cse4 .cse5) (or .cse9 (or .cse7 .cse1 .cse2) .cse8) (or .cse9 .cse6 .cse8 .cse2 .cse3) (or .cse9 .cse8 .cse1 .cse2 .cse3))) [2018-11-23 06:21:05,181 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 953 960) no Hoare annotation was computed. [2018-11-23 06:21:05,181 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-11-23 06:21:05,181 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 953 960) the Hoare annotation is: true [2018-11-23 06:21:05,181 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 953 960) no Hoare annotation was computed. [2018-11-23 06:21:05,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:21:05 BoogieIcfgContainer [2018-11-23 06:21:05,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:21:05,195 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:21:05,195 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:21:05,195 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:21:05,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:20:55" (3/4) ... [2018-11-23 06:21:05,199 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:21:05,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:21:05,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:21:05,207 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:21:05,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 06:21:05,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:21:05,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:21:05,215 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:21:05,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:21:05,216 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:21:05,217 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:21:05,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) [2018-11-23 06:21:05,242 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 06:21:05,276 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9208860f-25ba-414c-ac7c-ee49a7b77489/bin-2019/uautomizer/witness.graphml [2018-11-23 06:21:05,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:21:05,277 INFO L168 Benchmark]: Toolchain (without parser) took 10428.84 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 418.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 234.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,278 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:21:05,278 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,278 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:21:05,278 INFO L168 Benchmark]: Boogie Preprocessor took 30.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,278 INFO L168 Benchmark]: RCFGBuilder took 486.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,279 INFO L168 Benchmark]: TraceAbstraction took 9430.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 284.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.1 MB). Peak memory consumption was 544.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,279 INFO L168 Benchmark]: Witness Printer took 81.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:21:05,280 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 373.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 486.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.9 MB). Peak memory consumption was 58.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9430.49 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 284.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.1 MB). Peak memory consumption was 544.5 MB. Max. memory is 11.5 GB. * Witness Printer took 81.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: 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: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: ((((((((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 895]: 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, 153 locations, 1 error locations. SAFE Result, 9.3s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2168 SDtfs, 1451 SDslu, 8220 SDs, 0 SdLazy, 3071 SolverSat, 547 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 396 GetRequests, 292 SyntacticMatches, 1 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=966occurred in iteration=9, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 120 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2647 PreInvPairs, 2998 NumberOfFragments, 3089 HoareAnnotationTreeSize, 2647 FomulaSimplifications, 6194 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 64 FomulaSimplificationsInter, 16356 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1304 NumberOfCodeBlocks, 1304 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1290 ConstructedInterpolants, 0 QuantifiedInterpolants, 225642 SizeOfPredicates, 13 NumberOfNonLiveVariables, 1632 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 88/102 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...