./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/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 284d5750b565b650dea59fef4c61eb2e70211282 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:06:25,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:06:25,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:06:25,968 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:06:25,968 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:06:25,969 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:06:25,970 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:06:25,971 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:06:25,972 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:06:25,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:06:25,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:06:25,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:06:25,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:06:25,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:06:25,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:06:25,977 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:06:25,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:06:25,979 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:06:25,980 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:06:25,981 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:06:25,982 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:06:25,983 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:06:25,984 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:06:25,985 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:06:25,985 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:06:25,986 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:06:25,986 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:06:25,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:06:25,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:06:25,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:06:25,988 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:06:25,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:06:25,989 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:06:25,989 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:06:25,990 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:06:25,990 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:06:25,990 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:06:26,000 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:06:26,000 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:06:26,004 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:06:26,004 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:06:26,005 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:06:26,005 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:06:26,005 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:06:26,005 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:06:26,006 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:06:26,007 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:06:26,007 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:06:26,008 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:06:26,008 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:06:26,009 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:06:26,009 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_0780beb2-17f4-46dd-80b8-dc0126fb0990/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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-11-28 12:06:26,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:06:26,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:06:26,046 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:06:26,047 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:06:26,048 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:06:26,049 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 12:06:26,089 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/data/b56289681/7a045dbd8bd84c8ab89e3488c38f6a48/FLAG7bc7faa56 [2018-11-28 12:06:26,432 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:06:26,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 12:06:26,443 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/data/b56289681/7a045dbd8bd84c8ab89e3488c38f6a48/FLAG7bc7faa56 [2018-11-28 12:06:26,456 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/data/b56289681/7a045dbd8bd84c8ab89e3488c38f6a48 [2018-11-28 12:06:26,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:06:26,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:06:26,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:06:26,461 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:06:26,463 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:06:26,464 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,466 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7977baaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26, skipping insertion in model container [2018-11-28 12:06:26,466 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:06:26,501 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:06:26,712 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:06:26,724 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:06:26,839 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:06:26,861 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:06:26,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26 WrapperNode [2018-11-28 12:06:26,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:06:26,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:06:26,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:06:26,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:06:26,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:06:26,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:06:26,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:06:26,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:06:26,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... [2018-11-28 12:06:26,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:06:26,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:06:26,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:06:26,932 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:06:26,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/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 [2018-11-28 12:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:06:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:06:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:06:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:06:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:06:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:06:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:06:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:06:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:06:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:06:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:06:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:06:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:06:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:06:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:06:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:06:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:06:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:06:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:06:27,444 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:06:27,445 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:06:27,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:27 BoogieIcfgContainer [2018-11-28 12:06:27,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:06:27,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:06:27,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:06:27,449 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:06:27,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:06:26" (1/3) ... [2018-11-28 12:06:27,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646d56bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:27, skipping insertion in model container [2018-11-28 12:06:27,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:06:26" (2/3) ... [2018-11-28 12:06:27,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@646d56bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:06:27, skipping insertion in model container [2018-11-28 12:06:27,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:27" (3/3) ... [2018-11-28 12:06:27,453 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-11-28 12:06:27,463 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:06:27,471 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:06:27,489 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:06:27,521 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:06:27,522 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:06:27,522 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:06:27,522 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:06:27,522 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:06:27,523 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:06:27,523 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:06:27,523 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:06:27,523 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:06:27,545 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-11-28 12:06:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:06:27,554 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:27,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:06:27,557 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:27,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:27,563 INFO L82 PathProgramCache]: Analyzing trace with hash -294225382, now seen corresponding path program 1 times [2018-11-28 12:06:27,565 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:27,566 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:27,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:27,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:27,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:27,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:27,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:27,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:06:27,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:06:27,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:06:27,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:06:27,800 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-11-28 12:06:27,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:27,822 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2018-11-28 12:06:27,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:06:27,823 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:06:27,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:27,830 INFO L225 Difference]: With dead ends: 254 [2018-11-28 12:06:27,830 INFO L226 Difference]: Without dead ends: 127 [2018-11-28 12:06:27,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:06:27,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-28 12:06:27,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-28 12:06:27,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-28 12:06:27,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-11-28 12:06:27,872 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2018-11-28 12:06:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:27,872 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-11-28 12:06:27,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:06:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-11-28 12:06:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:06:27,875 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:27,875 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] [2018-11-28 12:06:27,876 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:27,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:27,876 INFO L82 PathProgramCache]: Analyzing trace with hash -229410569, now seen corresponding path program 1 times [2018-11-28 12:06:27,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:27,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:27,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:27,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:27,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:27,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:27,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:06:27,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:06:27,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:06:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:06:27,958 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2018-11-28 12:06:27,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:27,976 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-11-28 12:06:27,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:06:27,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:06:27,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:27,978 INFO L225 Difference]: With dead ends: 199 [2018-11-28 12:06:27,978 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 12:06:27,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:06:27,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 12:06:27,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 12:06:27,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 12:06:27,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-11-28 12:06:27,989 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2018-11-28 12:06:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:27,990 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-11-28 12:06:27,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:06:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-11-28 12:06:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:06:27,991 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:27,991 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] [2018-11-28 12:06:27,991 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:27,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:27,992 INFO L82 PathProgramCache]: Analyzing trace with hash -237918661, now seen corresponding path program 1 times [2018-11-28 12:06:27,992 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:27,992 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:27,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:27,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:27,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:28,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:28,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:06:28,103 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:06:28,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:06:28,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:06:28,104 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-11-28 12:06:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:28,332 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-11-28 12:06:28,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:06:28,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 12:06:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:28,334 INFO L225 Difference]: With dead ends: 212 [2018-11-28 12:06:28,334 INFO L226 Difference]: Without dead ends: 118 [2018-11-28 12:06:28,335 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:06:28,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-11-28 12:06:28,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-11-28 12:06:28,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-11-28 12:06:28,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-11-28 12:06:28,346 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2018-11-28 12:06:28,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:28,347 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-11-28 12:06:28,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:06:28,347 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-11-28 12:06:28,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 12:06:28,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:28,349 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:06:28,349 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:28,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:28,350 INFO L82 PathProgramCache]: Analyzing trace with hash -1761248130, now seen corresponding path program 1 times [2018-11-28 12:06:28,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:28,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:28,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:28,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:28,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:28,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:28,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:06:28,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:06:28,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:06:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:06:28,439 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2018-11-28 12:06:28,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:28,924 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2018-11-28 12:06:28,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:06:28,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-11-28 12:06:28,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:28,927 INFO L225 Difference]: With dead ends: 314 [2018-11-28 12:06:28,928 INFO L226 Difference]: Without dead ends: 220 [2018-11-28 12:06:28,928 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:06:28,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-11-28 12:06:28,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-11-28 12:06:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-11-28 12:06:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2018-11-28 12:06:28,953 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2018-11-28 12:06:28,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:28,957 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2018-11-28 12:06:28,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:06:28,957 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2018-11-28 12:06:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-28 12:06:28,959 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:28,959 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] [2018-11-28 12:06:28,959 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:28,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:28,959 INFO L82 PathProgramCache]: Analyzing trace with hash 895970761, now seen corresponding path program 1 times [2018-11-28 12:06:28,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:28,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:28,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:28,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:28,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:29,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:29,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:29,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:06:29,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:06:29,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:06:29,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:06:29,104 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2018-11-28 12:06:29,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:29,179 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2018-11-28 12:06:29,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:06:29,179 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-11-28 12:06:29,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:29,182 INFO L225 Difference]: With dead ends: 385 [2018-11-28 12:06:29,182 INFO L226 Difference]: Without dead ends: 208 [2018-11-28 12:06:29,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:06:29,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-11-28 12:06:29,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-11-28 12:06:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-28 12:06:29,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 234 transitions. [2018-11-28 12:06:29,203 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 234 transitions. Word has length 80 [2018-11-28 12:06:29,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:29,203 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 234 transitions. [2018-11-28 12:06:29,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:06:29,203 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 234 transitions. [2018-11-28 12:06:29,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-28 12:06:29,205 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:29,205 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] [2018-11-28 12:06:29,206 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:29,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:29,206 INFO L82 PathProgramCache]: Analyzing trace with hash 968357319, now seen corresponding path program 1 times [2018-11-28 12:06:29,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:29,207 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:29,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:29,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:29,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:29,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:06:29,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:06:29,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:06:29,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:06:29,294 INFO L87 Difference]: Start difference. First operand 205 states and 234 transitions. Second operand 6 states. [2018-11-28 12:06:29,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:29,483 INFO L93 Difference]: Finished difference Result 513 states and 613 transitions. [2018-11-28 12:06:29,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:06:29,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-11-28 12:06:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:29,487 INFO L225 Difference]: With dead ends: 513 [2018-11-28 12:06:29,487 INFO L226 Difference]: Without dead ends: 332 [2018-11-28 12:06:29,488 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 [2018-11-28 12:06:29,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-11-28 12:06:29,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-11-28 12:06:29,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-11-28 12:06:29,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-11-28 12:06:29,515 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 80 [2018-11-28 12:06:29,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:29,515 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-11-28 12:06:29,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:06:29,515 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-11-28 12:06:29,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:06:29,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:29,517 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] [2018-11-28 12:06:29,517 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:29,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:29,517 INFO L82 PathProgramCache]: Analyzing trace with hash -825537343, now seen corresponding path program 1 times [2018-11-28 12:06:29,517 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:29,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:29,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,518 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:29,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:29,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:29,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:29,623 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:06:29,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:06:29,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:06:29,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:06:29,624 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 6 states. [2018-11-28 12:06:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:29,824 INFO L93 Difference]: Finished difference Result 681 states and 815 transitions. [2018-11-28 12:06:29,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:06:29,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 12:06:29,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:29,828 INFO L225 Difference]: With dead ends: 681 [2018-11-28 12:06:29,828 INFO L226 Difference]: Without dead ends: 500 [2018-11-28 12:06:29,829 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 [2018-11-28 12:06:29,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-11-28 12:06:29,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2018-11-28 12:06:29,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-11-28 12:06:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2018-11-28 12:06:29,859 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2018-11-28 12:06:29,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:29,859 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2018-11-28 12:06:29,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:06:29,860 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2018-11-28 12:06:29,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:06:29,862 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:29,862 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] [2018-11-28 12:06:29,862 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:29,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:29,862 INFO L82 PathProgramCache]: Analyzing trace with hash -568158140, now seen corresponding path program 1 times [2018-11-28 12:06:29,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:29,863 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:29,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:29,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:29,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:29,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:29,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 12:06:29,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 12:06:29,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 12:06:29,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:06:29,935 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2018-11-28 12:06:29,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:29,996 INFO L93 Difference]: Finished difference Result 837 states and 999 transitions. [2018-11-28 12:06:29,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:06:29,997 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-11-28 12:06:29,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:30,000 INFO L225 Difference]: With dead ends: 837 [2018-11-28 12:06:30,000 INFO L226 Difference]: Without dead ends: 502 [2018-11-28 12:06:30,001 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 [2018-11-28 12:06:30,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-11-28 12:06:30,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2018-11-28 12:06:30,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-11-28 12:06:30,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 585 transitions. [2018-11-28 12:06:30,029 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 585 transitions. Word has length 84 [2018-11-28 12:06:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:30,029 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 585 transitions. [2018-11-28 12:06:30,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 12:06:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2018-11-28 12:06:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 12:06:30,031 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:30,031 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] [2018-11-28 12:06:30,031 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:30,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash -495771582, now seen corresponding path program 1 times [2018-11-28 12:06:30,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:30,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:30,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:30,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:30,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:30,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:30,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:06:30,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:06:30,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:06:30,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:06:30,077 INFO L87 Difference]: Start difference. First operand 497 states and 585 transitions. Second operand 5 states. [2018-11-28 12:06:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:30,126 INFO L93 Difference]: Finished difference Result 839 states and 1006 transitions. [2018-11-28 12:06:30,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 12:06:30,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-28 12:06:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:30,129 INFO L225 Difference]: With dead ends: 839 [2018-11-28 12:06:30,129 INFO L226 Difference]: Without dead ends: 489 [2018-11-28 12:06:30,130 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 [2018-11-28 12:06:30,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-11-28 12:06:30,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-11-28 12:06:30,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-11-28 12:06:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 574 transitions. [2018-11-28 12:06:30,154 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 574 transitions. Word has length 84 [2018-11-28 12:06:30,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:30,155 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 574 transitions. [2018-11-28 12:06:30,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:06:30,155 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2018-11-28 12:06:30,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-28 12:06:30,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:30,158 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] [2018-11-28 12:06:30,158 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:30,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:30,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1017486641, now seen corresponding path program 1 times [2018-11-28 12:06:30,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:30,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:30,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:30,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:30,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:30,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:06:30,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:06:30,254 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/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 [2018-11-28 12:06:30,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:30,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:06:30,485 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:06:30,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:06:30,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 12:06:30,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 12:06:30,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 12:06:30,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:06:30,503 INFO L87 Difference]: Start difference. First operand 489 states and 574 transitions. Second operand 14 states. [2018-11-28 12:06:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:30,979 INFO L93 Difference]: Finished difference Result 1284 states and 1559 transitions. [2018-11-28 12:06:30,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 12:06:30,980 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 96 [2018-11-28 12:06:30,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:30,984 INFO L225 Difference]: With dead ends: 1284 [2018-11-28 12:06:30,984 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 12:06:30,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:06:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 12:06:31,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 816. [2018-11-28 12:06:31,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2018-11-28 12:06:31,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 945 transitions. [2018-11-28 12:06:31,032 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 945 transitions. Word has length 96 [2018-11-28 12:06:31,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:31,033 INFO L480 AbstractCegarLoop]: Abstraction has 816 states and 945 transitions. [2018-11-28 12:06:31,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 12:06:31,033 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 945 transitions. [2018-11-28 12:06:31,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 12:06:31,035 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:31,035 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] [2018-11-28 12:06:31,035 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:31,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:31,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1394556845, now seen corresponding path program 1 times [2018-11-28 12:06:31,036 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:31,036 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:31,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:31,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:31,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:06:31,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:31,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:06:31,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:06:31,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:06:31,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:06:31,144 INFO L87 Difference]: Start difference. First operand 816 states and 945 transitions. Second operand 10 states. [2018-11-28 12:06:31,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:31,305 INFO L93 Difference]: Finished difference Result 1580 states and 1852 transitions. [2018-11-28 12:06:31,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 12:06:31,306 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-28 12:06:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:31,310 INFO L225 Difference]: With dead ends: 1580 [2018-11-28 12:06:31,310 INFO L226 Difference]: Without dead ends: 788 [2018-11-28 12:06:31,312 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 [2018-11-28 12:06:31,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2018-11-28 12:06:31,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 774. [2018-11-28 12:06:31,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2018-11-28 12:06:31,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 894 transitions. [2018-11-28 12:06:31,351 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 894 transitions. Word has length 100 [2018-11-28 12:06:31,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:31,352 INFO L480 AbstractCegarLoop]: Abstraction has 774 states and 894 transitions. [2018-11-28 12:06:31,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:06:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 894 transitions. [2018-11-28 12:06:31,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 12:06:31,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:06:31,354 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] [2018-11-28 12:06:31,354 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:06:31,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:06:31,354 INFO L82 PathProgramCache]: Analyzing trace with hash -977645101, now seen corresponding path program 1 times [2018-11-28 12:06:31,354 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:06:31,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:06:31,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:31,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:06:31,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:06:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:06:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:06:31,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:06:31,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:06:31,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:06:31,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:06:31,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:06:31,452 INFO L87 Difference]: Start difference. First operand 774 states and 894 transitions. Second operand 10 states. [2018-11-28 12:06:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:06:31,607 INFO L93 Difference]: Finished difference Result 1525 states and 1766 transitions. [2018-11-28 12:06:31,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:06:31,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-11-28 12:06:31,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:06:31,609 INFO L225 Difference]: With dead ends: 1525 [2018-11-28 12:06:31,609 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:06:31,613 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 [2018-11-28 12:06:31,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:06:31,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:06:31,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:06:31,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:06:31,614 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-28 12:06:31,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:06:31,615 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:06:31,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:06:31,615 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:06:31,615 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:06:31,622 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:06:32,124 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2018-11-28 12:06:32,507 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 36 [2018-11-28 12:06:33,086 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 40 [2018-11-28 12:06:33,690 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 37 [2018-11-28 12:06:34,132 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 29 [2018-11-28 12:06:34,149 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2018-11-28 12:06:34,149 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2018-11-28 12:06:34,149 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2018-11-28 12:06:34,149 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2018-11-28 12:06:34,149 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2018-11-28 12:06:34,149 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-28 12:06:34,149 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-28 12:06:34,149 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,150 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,150 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,150 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,150 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-28 12:06:34,150 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-28 12:06:34,150 INFO L444 ceAbstractionStarter]: At program point L132(line 132) 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) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-28 12:06:34,150 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) 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) (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1))) [2018-11-28 12:06:34,150 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-28 12:06:34,150 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2018-11-28 12:06:34,150 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2018-11-28 12:06:34,151 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2018-11-28 12:06:34,151 INFO L451 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2018-11-28 12:06:34,151 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2018-11-28 12:06:34,152 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-11-28 12:06:34,152 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse5 .cse3 .cse4 .cse6) (or .cse2 .cse1 .cse3 .cse6))) [2018-11-28 12:06:34,152 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse3) (or .cse2 .cse1 .cse3 .cse5))) [2018-11-28 12:06:34,152 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-11-28 12:06:34,152 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse3) (or .cse5 .cse3 .cse4))) [2018-11-28 12:06:34,152 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 12:06:34,152 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-11-28 12:06:34,152 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or .cse4 .cse2 .cse3 .cse5) (or .cse1 .cse2 .cse5))) [2018-11-28 12:06:34,152 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-11-28 12:06:34,153 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L444 ceAbstractionStarter]: At program point L203(lines 154 204) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-11-28 12:06:34,153 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:06:34,153 INFO L448 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L444 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:06:34,154 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse1 .cse5 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2018-11-28 12:06:34,154 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2018-11-28 12:06:34,155 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:06:34,155 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L451 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-28 12:06:34,156 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2018-11-28 12:06:34,156 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2018-11-28 12:06:34,157 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-11-28 12:06:34,157 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse2 .cse6 .cse1 .cse3) (or .cse5 .cse4 .cse6 .cse1))) [2018-11-28 12:06:34,157 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-11-28 12:06:34,157 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2018-11-28 12:06:34,157 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2018-11-28 12:06:34,157 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2018-11-28 12:06:34,157 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 2)) (.cse3 (not (= ~waterLevel~0 2))) (.cse9 (= 0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= ~pumpRunning~0 1)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse5 .cse4 .cse6) (or .cse1 .cse2 .cse4 .cse6 .cse3) (or .cse7 .cse5 .cse4 .cse8 .cse6) (or .cse0 .cse9 .cse2 .cse4) (or .cse2 .cse7 .cse4 .cse8 .cse6) (or .cse0 .cse1 .cse5 .cse4 .cse3) (or .cse2 .cse4 .cse9 .cse6) (or .cse10 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse5 .cse4 .cse8) (or .cse10 .cse0 .cse5 .cse4) (or .cse0 .cse7 .cse2 .cse4 .cse8))) [2018-11-28 12:06:34,157 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse5 .cse3 .cse7 .cse6) (or .cse0 .cse8 .cse5 .cse3) (or .cse5 .cse9 .cse3 .cse10 .cse7) (or .cse5 .cse3 .cse8 .cse7) (or .cse2 .cse1 .cse3 .cse7) (or .cse0 .cse9 .cse5 .cse3 .cse10))) [2018-11-28 12:06:34,157 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~waterLevel~0 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 .cse1 .cse7 .cse2) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or .cse6 .cse10 .cse0 .cse4 .cse2) (or .cse6 .cse5 .cse0 .cse2) (or .cse10 .cse0 .cse4 .cse2 .cse3) (or .cse7 .cse1 .cse2 .cse3) (or .cse6 .cse8 .cse0 .cse2 .cse9))) [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse6 .cse2 .cse3 .cse7 .cse5) (or .cse0 .cse4 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse6 .cse2 .cse3 .cse7))) [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-28 12:06:34,158 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse1) (or (= ~waterLevel~0 2) .cse4 .cse1 .cse2))) [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-28 12:06:34,158 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2018-11-28 12:06:34,159 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse3 .cse2 .cse5) (or .cse4 .cse1 .cse2 .cse5))) [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (let ((.cse0 (= 1 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 12:06:34,159 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2018-11-28 12:06:34,159 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse0 .cse4 .cse1 .cse2) (or .cse5 .cse2 .cse0 .cse3))) [2018-11-28 12:06:34,159 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2018-11-28 12:06:34,160 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2018-11-28 12:06:34,160 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2018-11-28 12:06:34,160 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2) (or .cse1 .cse8 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse8 .cse2 .cse7) (or .cse7 .cse6 .cse8 .cse2 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse3) (or .cse6 .cse0 .cse2 .cse4 .cse7))) [2018-11-28 12:06:34,160 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2018-11-28 12:06:34,160 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2018-11-28 12:06:34,160 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2018-11-28 12:06:34,160 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2018-11-28 12:06:34,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:06:34 BoogieIcfgContainer [2018-11-28 12:06:34,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:06:34,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:06:34,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:06:34,172 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:06:34,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:06:27" (3/4) ... [2018-11-28 12:06:34,176 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:06:34,181 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:06:34,182 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:06:34,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:06:34,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 12:06:34,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:06:34,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:06:34,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:06:34,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:06:34,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:06:34,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:06:34,212 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:06:34,243 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0780beb2-17f4-46dd-80b8-dc0126fb0990/bin-2019/uautomizer/witness.graphml [2018-11-28 12:06:34,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:06:34,244 INFO L168 Benchmark]: Toolchain (without parser) took 7785.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 952.6 MB in the beginning and 797.2 MB in the end (delta: 155.5 MB). Peak memory consumption was 360.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,245 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:06:34,245 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,245 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:06:34,246 INFO L168 Benchmark]: Boogie Preprocessor took 38.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,246 INFO L168 Benchmark]: RCFGBuilder took 513.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,246 INFO L168 Benchmark]: TraceAbstraction took 6725.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 1.0 GB in the beginning and 805.7 MB in the end (delta: 205.2 MB). Peak memory consumption was 335.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,246 INFO L168 Benchmark]: Witness Printer took 71.94 ms. Allocated memory is still 1.2 GB. Free memory was 805.7 MB in the beginning and 797.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:06:34,248 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 75.0 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -106.2 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 513.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6725.59 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 1.0 GB in the beginning and 805.7 MB in the end (delta: 205.2 MB). Peak memory consumption was 335.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.94 ms. Allocated memory is still 1.2 GB. Free memory was 805.7 MB in the beginning and 797.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: ((((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 140 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 2.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1910 SDtfs, 841 SDslu, 7613 SDs, 0 SdLazy, 1664 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 221 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=816occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 66 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1639 PreInvPairs, 1748 NumberOfFragments, 2157 HoareAnnotationTreeSize, 1639 FomulaSimplifications, 1403 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 8226 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1033 NumberOfCodeBlocks, 1033 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1020 ConstructedInterpolants, 0 QuantifiedInterpolants, 141060 SizeOfPredicates, 6 NumberOfNonLiveVariables, 745 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 13 InterpolantComputations, 12 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...