./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf50661cace84e24af5f399094bd98fed0ff7444 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:35:09,919 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:35:09,921 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:35:09,927 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:35:09,927 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:35:09,928 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:35:09,929 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:35:09,930 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:35:09,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:35:09,932 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:35:09,932 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:35:09,932 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:35:09,933 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:35:09,934 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:35:09,934 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:35:09,935 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:35:09,936 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:35:09,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:35:09,938 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:35:09,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:35:09,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:35:09,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:35:09,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:35:09,943 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:35:09,943 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:35:09,943 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:35:09,944 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:35:09,945 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:35:09,945 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:35:09,946 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:35:09,946 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:35:09,947 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:35:09,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:35:09,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:35:09,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:35:09,948 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:35:09,948 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:35:09,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:35:09,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:35:09,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:35:09,957 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:35:09,957 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:35:09,957 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:35:09,957 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:35:09,957 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:35:09,957 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:35:09,958 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:35:09,958 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:35:09,958 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:35:09,958 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:35:09,959 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:35:09,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:35:09,960 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:35:09,960 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:35:09,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:35:09,960 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:35:09,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:35:09,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:35:09,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:35:09,961 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:35:09,962 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:35:09,962 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:35:09,962 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:35:09,962 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan 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 -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-18 09:35:09,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:35:09,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:35:09,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:35:09,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:35:09,994 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:35:09,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 09:35:10,029 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/data/ffbe86cd5/36a8fc5dd4de44e4be4ce62fad180c0e/FLAGb6028ee77 [2018-11-18 09:35:10,453 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:35:10,454 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 09:35:10,461 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/data/ffbe86cd5/36a8fc5dd4de44e4be4ce62fad180c0e/FLAGb6028ee77 [2018-11-18 09:35:10,471 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/data/ffbe86cd5/36a8fc5dd4de44e4be4ce62fad180c0e [2018-11-18 09:35:10,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:35:10,474 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:35:10,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:35:10,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:35:10,478 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:35:10,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10, skipping insertion in model container [2018-11-18 09:35:10,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,492 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:35:10,524 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:35:10,711 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:35:10,719 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:35:10,825 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:35:10,842 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:35:10,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10 WrapperNode [2018-11-18 09:35:10,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:35:10,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:35:10,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:35:10,844 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:35:10,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:35:10,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:35:10,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:35:10,873 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:35:10,881 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,881 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... [2018-11-18 09:35:10,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:35:10,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:35:10,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:35:10,907 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:35:10,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/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 [2018-11-18 09:35:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:35:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:35:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:35:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:35:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:35:10,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:35:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:35:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:35:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:35:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:35:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:35:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:35:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:35:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:35:10,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:35:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:35:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:35:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:35:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:35:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:35:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:35:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:35:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:35:10,959 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:35:10,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:35:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:35:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:35:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:35:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:35:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:35:10,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:35:10,960 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:35:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:35:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:35:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:35:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:35:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:35:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:35:10,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:35:10,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:35:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:35:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:35:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:35:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:35:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:35:10,962 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:35:10,962 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:35:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:35:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:35:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:35:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:35:10,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:35:10,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:35:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:35:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:35:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:35:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:35:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:35:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:35:10,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:35:10,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:35:11,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:35:11,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:35:11 BoogieIcfgContainer [2018-11-18 09:35:11,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:35:11,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:35:11,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:35:11,432 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:35:11,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:35:10" (1/3) ... [2018-11-18 09:35:11,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1334d0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:35:11, skipping insertion in model container [2018-11-18 09:35:11,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:35:10" (2/3) ... [2018-11-18 09:35:11,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1334d0ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:35:11, skipping insertion in model container [2018-11-18 09:35:11,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:35:11" (3/3) ... [2018-11-18 09:35:11,435 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-18 09:35:11,441 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:35:11,445 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:35:11,454 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:35:11,476 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:35:11,476 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:35:11,476 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:35:11,477 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:35:11,477 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:35:11,477 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:35:11,477 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:35:11,477 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:35:11,491 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-11-18 09:35:11,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 09:35:11,498 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:11,498 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:11,500 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:11,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:11,504 INFO L82 PathProgramCache]: Analyzing trace with hash -820346774, now seen corresponding path program 1 times [2018-11-18 09:35:11,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:11,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:11,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:11,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:11,700 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:11,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:35:11,700 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:11,703 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:35:11,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:35:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:35:11,713 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-11-18 09:35:11,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:11,741 INFO L93 Difference]: Finished difference Result 304 states and 379 transitions. [2018-11-18 09:35:11,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:35:11,742 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 09:35:11,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:11,753 INFO L225 Difference]: With dead ends: 304 [2018-11-18 09:35:11,753 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 09:35:11,757 INFO L604 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 [2018-11-18 09:35:11,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 09:35:11,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 09:35:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 09:35:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-11-18 09:35:11,800 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 46 [2018-11-18 09:35:11,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:11,801 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-11-18 09:35:11,801 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:35:11,801 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-11-18 09:35:11,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 09:35:11,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:11,803 INFO L375 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] [2018-11-18 09:35:11,804 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:11,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:11,804 INFO L82 PathProgramCache]: Analyzing trace with hash -474154128, now seen corresponding path program 1 times [2018-11-18 09:35:11,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:11,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:11,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:11,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:11,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:35:11,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:11,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:35:11,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:35:11,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:35:11,885 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 3 states. [2018-11-18 09:35:11,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:11,904 INFO L93 Difference]: Finished difference Result 251 states and 299 transitions. [2018-11-18 09:35:11,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:35:11,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 09:35:11,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:11,906 INFO L225 Difference]: With dead ends: 251 [2018-11-18 09:35:11,906 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 09:35:11,907 INFO L604 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 [2018-11-18 09:35:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 09:35:11,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 09:35:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 09:35:11,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2018-11-18 09:35:11,922 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 48 [2018-11-18 09:35:11,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:11,922 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2018-11-18 09:35:11,922 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:35:11,922 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2018-11-18 09:35:11,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 09:35:11,924 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:11,924 INFO L375 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] [2018-11-18 09:35:11,924 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:11,924 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:11,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1828961899, now seen corresponding path program 1 times [2018-11-18 09:35:11,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:11,925 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:11,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:11,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:12,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:12,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:12,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:35:12,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:12,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:35:12,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:35:12,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:35:12,030 INFO L87 Difference]: Start difference. First operand 142 states and 168 transitions. Second operand 7 states. [2018-11-18 09:35:12,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:12,310 INFO L93 Difference]: Finished difference Result 260 states and 313 transitions. [2018-11-18 09:35:12,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:35:12,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 09:35:12,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:12,312 INFO L225 Difference]: With dead ends: 260 [2018-11-18 09:35:12,312 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 09:35:12,313 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:35:12,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 09:35:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 09:35:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 09:35:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-11-18 09:35:12,325 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 52 [2018-11-18 09:35:12,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:12,325 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-11-18 09:35:12,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:35:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-11-18 09:35:12,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-18 09:35:12,327 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:12,327 INFO L375 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] [2018-11-18 09:35:12,327 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:12,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:12,327 INFO L82 PathProgramCache]: Analyzing trace with hash -883710884, now seen corresponding path program 1 times [2018-11-18 09:35:12,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:12,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:12,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:12,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:12,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:12,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:12,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 09:35:12,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:12,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 09:35:12,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 09:35:12,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:35:12,449 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 5 states. [2018-11-18 09:35:12,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:12,990 INFO L93 Difference]: Finished difference Result 371 states and 450 transitions. [2018-11-18 09:35:12,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:35:12,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-18 09:35:12,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:12,993 INFO L225 Difference]: With dead ends: 371 [2018-11-18 09:35:12,993 INFO L226 Difference]: Without dead ends: 253 [2018-11-18 09:35:12,994 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:35:12,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-18 09:35:13,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 234. [2018-11-18 09:35:13,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2018-11-18 09:35:13,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 266 transitions. [2018-11-18 09:35:13,015 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 266 transitions. Word has length 70 [2018-11-18 09:35:13,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:13,015 INFO L480 AbstractCegarLoop]: Abstraction has 234 states and 266 transitions. [2018-11-18 09:35:13,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 09:35:13,016 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 266 transitions. [2018-11-18 09:35:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:35:13,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:13,019 INFO L375 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] [2018-11-18 09:35:13,019 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:13,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:13,020 INFO L82 PathProgramCache]: Analyzing trace with hash 397142458, now seen corresponding path program 1 times [2018-11-18 09:35:13,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:13,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:13,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:13,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:13,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:35:13,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:13,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:35:13,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:35:13,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:35:13,125 INFO L87 Difference]: Start difference. First operand 234 states and 266 transitions. Second operand 8 states. [2018-11-18 09:35:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:13,172 INFO L93 Difference]: Finished difference Result 451 states and 527 transitions. [2018-11-18 09:35:13,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:35:13,173 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-11-18 09:35:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:13,175 INFO L225 Difference]: With dead ends: 451 [2018-11-18 09:35:13,175 INFO L226 Difference]: Without dead ends: 241 [2018-11-18 09:35:13,176 INFO L604 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 [2018-11-18 09:35:13,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-11-18 09:35:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 238. [2018-11-18 09:35:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-11-18 09:35:13,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2018-11-18 09:35:13,194 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 84 [2018-11-18 09:35:13,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:13,194 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2018-11-18 09:35:13,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:35:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2018-11-18 09:35:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 09:35:13,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:13,195 INFO L375 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] [2018-11-18 09:35:13,195 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:13,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:13,197 INFO L82 PathProgramCache]: Analyzing trace with hash -304457416, now seen corresponding path program 1 times [2018-11-18 09:35:13,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:13,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:13,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:13,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:13,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:35:13,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:13,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:35:13,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:35:13,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:35:13,277 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand 6 states. [2018-11-18 09:35:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:13,438 INFO L93 Difference]: Finished difference Result 651 states and 760 transitions. [2018-11-18 09:35:13,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:35:13,439 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-18 09:35:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:13,441 INFO L225 Difference]: With dead ends: 651 [2018-11-18 09:35:13,441 INFO L226 Difference]: Without dead ends: 437 [2018-11-18 09:35:13,442 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:35:13,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-11-18 09:35:13,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2018-11-18 09:35:13,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-18 09:35:13,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 490 transitions. [2018-11-18 09:35:13,468 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 490 transitions. Word has length 84 [2018-11-18 09:35:13,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:13,468 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 490 transitions. [2018-11-18 09:35:13,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:35:13,469 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 490 transitions. [2018-11-18 09:35:13,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 09:35:13,470 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:13,470 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:13,470 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:13,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:13,470 INFO L82 PathProgramCache]: Analyzing trace with hash 13978332, now seen corresponding path program 1 times [2018-11-18 09:35:13,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:13,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:13,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:13,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:13,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:13,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:13,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:35:13,566 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:13,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:35:13,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:35:13,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:35:13,567 INFO L87 Difference]: Start difference. First operand 431 states and 490 transitions. Second operand 7 states. [2018-11-18 09:35:14,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:14,018 INFO L93 Difference]: Finished difference Result 466 states and 542 transitions. [2018-11-18 09:35:14,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:35:14,021 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 09:35:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:14,023 INFO L225 Difference]: With dead ends: 466 [2018-11-18 09:35:14,023 INFO L226 Difference]: Without dead ends: 463 [2018-11-18 09:35:14,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:35:14,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-11-18 09:35:14,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 431. [2018-11-18 09:35:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2018-11-18 09:35:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 489 transitions. [2018-11-18 09:35:14,046 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 489 transitions. Word has length 88 [2018-11-18 09:35:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:14,046 INFO L480 AbstractCegarLoop]: Abstraction has 431 states and 489 transitions. [2018-11-18 09:35:14,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:35:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 489 transitions. [2018-11-18 09:35:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 09:35:14,048 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:14,048 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:14,048 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:14,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:14,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1717975505, now seen corresponding path program 1 times [2018-11-18 09:35:14,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:14,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,049 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:14,049 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,049 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:35:14,130 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:14,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:35:14,131 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:14,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:35:14,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:35:14,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:35:14,131 INFO L87 Difference]: Start difference. First operand 431 states and 489 transitions. Second operand 6 states. [2018-11-18 09:35:14,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:14,179 INFO L93 Difference]: Finished difference Result 852 states and 990 transitions. [2018-11-18 09:35:14,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:35:14,180 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 09:35:14,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:14,181 INFO L225 Difference]: With dead ends: 852 [2018-11-18 09:35:14,182 INFO L226 Difference]: Without dead ends: 445 [2018-11-18 09:35:14,183 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:35:14,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-11-18 09:35:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 441. [2018-11-18 09:35:14,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-11-18 09:35:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 499 transitions. [2018-11-18 09:35:14,202 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 499 transitions. Word has length 104 [2018-11-18 09:35:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:14,203 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 499 transitions. [2018-11-18 09:35:14,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:35:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 499 transitions. [2018-11-18 09:35:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 09:35:14,204 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:14,204 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:14,204 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:14,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:14,205 INFO L82 PathProgramCache]: Analyzing trace with hash -937873294, now seen corresponding path program 1 times [2018-11-18 09:35:14,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:14,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:14,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:14,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:14,292 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:35:14,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:35:14,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:35:14,293 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:14,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:35:14,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:35:14,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:35:14,294 INFO L87 Difference]: Start difference. First operand 441 states and 499 transitions. Second operand 4 states. [2018-11-18 09:35:14,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:14,518 INFO L93 Difference]: Finished difference Result 1311 states and 1560 transitions. [2018-11-18 09:35:14,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:35:14,519 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 09:35:14,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:14,523 INFO L225 Difference]: With dead ends: 1311 [2018-11-18 09:35:14,523 INFO L226 Difference]: Without dead ends: 894 [2018-11-18 09:35:14,524 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:35:14,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-18 09:35:14,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 879. [2018-11-18 09:35:14,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2018-11-18 09:35:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1025 transitions. [2018-11-18 09:35:14,566 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1025 transitions. Word has length 104 [2018-11-18 09:35:14,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:14,566 INFO L480 AbstractCegarLoop]: Abstraction has 879 states and 1025 transitions. [2018-11-18 09:35:14,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:35:14,566 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1025 transitions. [2018-11-18 09:35:14,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 09:35:14,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:14,569 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:14,569 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:14,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:14,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1816087592, now seen corresponding path program 1 times [2018-11-18 09:35:14,569 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:14,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:14,570 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:35:14,718 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:35:14,718 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:35:14,719 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-18 09:35:14,720 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [82], [83], [85], [89], [95], [99], [103], [106], [111], [114], [119], [122], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [177], [181], [215], [216], [224], [228], [231], [233], [236], [246], [249], [253], [254], [257], [259], [262], [264], [267], [276], [277], [278], [279], [280], [281], [282], [283], [284], [292], [293], [296], [298], [299], [306], [307], [308], [309], [310], [311], [312], [316], [317], [318], [319], [320], [321], [324], [325], [326], [332], [333], [334], [336], [337], [338], [339], [344], [345], [346], [347], [348] [2018-11-18 09:35:14,754 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:35:14,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:35:15,249 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:35:15,250 INFO L272 AbstractInterpreter]: Visited 106 different actions 108 times. Never merged. Never widened. Performed 3282 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3282 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 09:35:15,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:15,257 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:35:15,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:35:15,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/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 [2018-11-18 09:35:15,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:15,270 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:35:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:15,349 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:35:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:35:15,501 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:35:16,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:35:16,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:35:16,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 09:35:16,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:16,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:35:16,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:35:16,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 09:35:16,217 INFO L87 Difference]: Start difference. First operand 879 states and 1025 transitions. Second operand 8 states. [2018-11-18 09:35:16,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:16,459 INFO L93 Difference]: Finished difference Result 1704 states and 1999 transitions. [2018-11-18 09:35:16,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:35:16,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-18 09:35:16,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:16,462 INFO L225 Difference]: With dead ends: 1704 [2018-11-18 09:35:16,462 INFO L226 Difference]: Without dead ends: 849 [2018-11-18 09:35:16,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 198 SyntacticMatches, 8 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 09:35:16,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-18 09:35:16,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2018-11-18 09:35:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2018-11-18 09:35:16,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 976 transitions. [2018-11-18 09:35:16,493 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 976 transitions. Word has length 108 [2018-11-18 09:35:16,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:16,493 INFO L480 AbstractCegarLoop]: Abstraction has 849 states and 976 transitions. [2018-11-18 09:35:16,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:35:16,493 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 976 transitions. [2018-11-18 09:35:16,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 09:35:16,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:35:16,496 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:35:16,496 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:35:16,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:16,497 INFO L82 PathProgramCache]: Analyzing trace with hash 885279434, now seen corresponding path program 1 times [2018-11-18 09:35:16,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:35:16,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:16,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:16,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:35:16,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:35:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:16,629 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 09:35:16,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:35:16,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:35:16,630 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-18 09:35:16,630 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [142], [143], [145], [150], [153], [154], [156], [161], [163], [164], [169], [171], [174], [177], [181], [187], [215], [216], [219], [223], [224], [228], [231], [233], [236], [243], [246], [249], [253], [254], [257], [259], [262], [264], [267], [273], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [286], [287], [290], [291], [292], [293], [294], [295], [296], [298], [299], [300], [301], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325], [326], [327], [332], [333], [334], [336], [337], [338], [339], [342], [343], [344], [345], [346], [347], [348] [2018-11-18 09:35:16,633 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:35:16,633 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:35:18,260 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:35:18,260 INFO L272 AbstractInterpreter]: Visited 145 different actions 1165 times. Merged at 21 different actions 81 times. Never widened. Performed 37740 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37740 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 20 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-18 09:35:18,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:35:18,262 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:35:18,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:35:18,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:35:18,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:35:18,269 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:35:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:35:18,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:35:18,464 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:35:18,465 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:35:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 09:35:18,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:35:18,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 09:35:18,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:35:18,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:35:18,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:35:18,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 09:35:18,797 INFO L87 Difference]: Start difference. First operand 849 states and 976 transitions. Second operand 8 states. [2018-11-18 09:35:19,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:35:19,117 INFO L93 Difference]: Finished difference Result 1419 states and 1656 transitions. [2018-11-18 09:35:19,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:35:19,117 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-18 09:35:19,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:35:19,118 INFO L225 Difference]: With dead ends: 1419 [2018-11-18 09:35:19,118 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:35:19,121 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 09:35:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:35:19,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:35:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:35:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:35:19,122 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-18 09:35:19,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:35:19,122 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:35:19,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:35:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:35:19,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:35:19,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:35:19,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:35:19,615 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 16 [2018-11-18 09:35:20,041 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-18 09:35:21,016 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-11-18 09:35:21,484 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 22 [2018-11-18 09:35:21,486 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,487 INFO L421 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L425 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-18 09:35:21,487 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,488 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 09:35:21,488 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-18 09:35:21,488 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-18 09:35:21,488 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-18 09:35:21,488 INFO L421 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-18 09:35:21,488 INFO L425 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L428 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-18 09:35:21,489 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse0 .cse1))) [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse1) .cse2) (or .cse2 .cse3 .cse1) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0) (or .cse4 .cse0 .cse1) (or .cse3 .cse0 .cse2))) [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-18 09:35:21,490 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 576 621) no Hoare annotation was computed. [2018-11-18 09:35:21,490 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L421 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L421 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0))) [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-18 09:35:21,491 INFO L421 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 09:35:21,491 INFO L421 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~methaneLevelCritical~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-18 09:35:21,491 INFO L425 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-18 09:35:21,492 INFO L421 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L428 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< |old(~methaneLevelCritical~0)| 1) (not (= 0 ~pumpRunning~0)) (<= 1 ~methaneLevelCritical~0) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L425 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse8 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse9 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 .cse9) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse8 .cse1 .cse9)))) [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse3) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3)))) [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not .cse1)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse7 .cse2 .cse8) (or .cse7 .cse6 .cse2 .cse8 .cse5) (or .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse2)))) [2018-11-18 09:35:21,493 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse0 .cse1))) [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L237-1(lines 237 251) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point L237-3(lines 237 251) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-18 09:35:21,494 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L421 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)) [2018-11-18 09:35:21,495 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-18 09:35:21,495 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L421 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 09:35:21,495 INFO L421 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse0 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or .cse0 .cse1 .cse2))) [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-18 09:35:21,495 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 09:35:21,495 INFO L425 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-18 09:35:21,496 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-18 09:35:21,496 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-18 09:35:21,497 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 09:35:21,497 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-18 09:35:21,497 INFO L421 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 09:35:21,497 INFO L425 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-18 09:35:21,497 INFO L425 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-18 09:35:21,497 INFO L425 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-18 09:35:21,497 INFO L428 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-18 09:35:21,497 INFO L425 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-18 09:35:21,507 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:35:21 BoogieIcfgContainer [2018-11-18 09:35:21,507 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:35:21,507 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:35:21,507 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:35:21,507 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:35:21,508 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:35:11" (3/4) ... [2018-11-18 09:35:21,510 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:35:21,515 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:35:21,516 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:35:21,517 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 09:35:21,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 09:35:21,524 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:35:21,525 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:35:21,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-18 09:35:21,543 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:35:21,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db8b2805-7b9c-4ca5-8378-c6d7825f861d/bin-2019/utaipan/witness.graphml [2018-11-18 09:35:21,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:35:21,579 INFO L168 Benchmark]: Toolchain (without parser) took 11105.91 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 607.1 MB). Free memory was 951.1 MB in the beginning and 1.5 GB in the end (delta: -586.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:35:21,580 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:35:21,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:35:21,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.10 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. [2018-11-18 09:35:21,580 INFO L168 Benchmark]: Boogie Preprocessor took 34.09 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. [2018-11-18 09:35:21,580 INFO L168 Benchmark]: RCFGBuilder took 522.58 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: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:35:21,581 INFO L168 Benchmark]: TraceAbstraction took 10076.47 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 496.5 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -511.7 MB). Peak memory consumption was 559.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:35:21,581 INFO L168 Benchmark]: Witness Printer took 71.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 244.9 kB). Peak memory consumption was 244.9 kB. Max. memory is 11.5 GB. [2018-11-18 09:35:21,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -142.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.10 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 34.09 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 522.58 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: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10076.47 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 496.5 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -511.7 MB). Peak memory consumption was 559.0 MB. Max. memory is 11.5 GB. * Witness Printer took 71.62 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 244.9 kB). Peak memory consumption was 244.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 165 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2213 SDtfs, 1080 SDslu, 4985 SDs, 0 SdLazy, 1666 SolverSat, 270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 691 GetRequests, 584 SyntacticMatches, 15 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=879occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1755 PreInvPairs, 1843 NumberOfFragments, 1647 HoareAnnotationTreeSize, 1755 FomulaSimplifications, 1981 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6689 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1252 NumberOfCodeBlocks, 1252 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1523 ConstructedInterpolants, 0 QuantifiedInterpolants, 282233 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1492 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 166/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...