./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 01:33:22,152 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 01:33:22,153 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 01:33:22,159 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 01:33:22,159 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 01:33:22,160 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 01:33:22,160 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 01:33:22,161 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 01:33:22,162 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 01:33:22,162 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 01:33:22,163 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 01:33:22,163 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 01:33:22,163 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 01:33:22,164 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 01:33:22,164 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 01:33:22,165 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 01:33:22,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 01:33:22,166 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 01:33:22,167 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 01:33:22,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 01:33:22,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 01:33:22,168 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 01:33:22,170 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 01:33:22,170 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 01:33:22,170 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 01:33:22,170 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 01:33:22,171 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 01:33:22,171 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 01:33:22,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 01:33:22,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 01:33:22,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 01:33:22,172 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 01:33:22,172 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 01:33:22,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 01:33:22,173 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 01:33:22,173 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 01:33:22,174 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 01:33:22,181 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 01:33:22,181 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 01:33:22,181 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 01:33:22,181 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 01:33:22,181 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 01:33:22,181 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 01:33:22,182 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 01:33:22,182 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 01:33:22,183 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 01:33:22,183 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 01:33:22,184 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 01:33:22,184 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 01:33:22,184 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_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-12-02 01:33:22,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 01:33:22,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 01:33:22,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 01:33:22,211 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 01:33:22,211 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 01:33:22,211 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 01:33:22,245 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/data/26f1d8643/bec43c1730f543f69fbfb1074cf82c83/FLAG45bb305bb [2018-12-02 01:33:22,567 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 01:33:22,567 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 01:33:22,574 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/data/26f1d8643/bec43c1730f543f69fbfb1074cf82c83/FLAG45bb305bb [2018-12-02 01:33:22,973 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/data/26f1d8643/bec43c1730f543f69fbfb1074cf82c83 [2018-12-02 01:33:22,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 01:33:22,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 01:33:22,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 01:33:22,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 01:33:22,983 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 01:33:22,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:22" (1/1) ... [2018-12-02 01:33:22,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:22, skipping insertion in model container [2018-12-02 01:33:22,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:33:22" (1/1) ... [2018-12-02 01:33:22,990 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 01:33:23,010 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 01:33:23,153 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:33:23,161 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 01:33:23,252 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 01:33:23,269 INFO L195 MainTranslator]: Completed translation [2018-12-02 01:33:23,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23 WrapperNode [2018-12-02 01:33:23,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 01:33:23,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 01:33:23,270 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 01:33:23,270 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 01:33:23,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 01:33:23,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 01:33:23,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 01:33:23,294 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 01:33:23,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... [2018-12-02 01:33:23,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 01:33:23,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 01:33:23,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 01:33:23,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 01:33:23,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/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 [2018-12-02 01:33:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 01:33:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 01:33:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 01:33:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 01:33:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 01:33:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 01:33:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 01:33:23,354 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 01:33:23,355 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 01:33:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 01:33:23,356 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 01:33:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 01:33:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 01:33:23,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 01:33:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 01:33:23,642 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 01:33:23,642 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 01:33:23,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:23 BoogieIcfgContainer [2018-12-02 01:33:23,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 01:33:23,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 01:33:23,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 01:33:23,646 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 01:33:23,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:33:22" (1/3) ... [2018-12-02 01:33:23,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edb6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:23, skipping insertion in model container [2018-12-02 01:33:23,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:33:23" (2/3) ... [2018-12-02 01:33:23,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edb6ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:33:23, skipping insertion in model container [2018-12-02 01:33:23,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:23" (3/3) ... [2018-12-02 01:33:23,649 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-02 01:33:23,657 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 01:33:23,663 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 01:33:23,675 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 01:33:23,694 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 01:33:23,694 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 01:33:23,694 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 01:33:23,694 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 01:33:23,695 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 01:33:23,695 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 01:33:23,695 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 01:33:23,695 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 01:33:23,707 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-02 01:33:23,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 01:33:23,712 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:23,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:23,714 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:23,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:23,717 INFO L82 PathProgramCache]: Analyzing trace with hash -627284051, now seen corresponding path program 1 times [2018-12-02 01:33:23,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:23,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:23,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:23,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:23,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:23,858 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:23,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 01:33:23,858 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:23,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 01:33:23,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 01:33:23,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:33:23,870 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-02 01:33:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:23,893 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-12-02 01:33:23,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 01:33:23,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 01:33:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:23,901 INFO L225 Difference]: With dead ends: 258 [2018-12-02 01:33:23,901 INFO L226 Difference]: Without dead ends: 129 [2018-12-02 01:33:23,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 01:33:23,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-02 01:33:23,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-02 01:33:23,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-02 01:33:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-12-02 01:33:23,934 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-12-02 01:33:23,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:23,935 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-12-02 01:33:23,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 01:33:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-12-02 01:33:23,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 01:33:23,936 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:23,937 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:23,937 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:23,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:23,937 INFO L82 PathProgramCache]: Analyzing trace with hash -831667335, now seen corresponding path program 1 times [2018-12-02 01:33:23,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:23,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:23,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:23,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:23,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:23,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:23,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 01:33:23,994 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:23,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 01:33:23,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 01:33:23,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:33:23,996 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-12-02 01:33:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:24,012 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-12-02 01:33:24,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 01:33:24,012 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 01:33:24,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:24,014 INFO L225 Difference]: With dead ends: 207 [2018-12-02 01:33:24,014 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 01:33:24,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 01:33:24,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 01:33:24,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 01:33:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 01:33:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-02 01:33:24,026 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-12-02 01:33:24,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:24,026 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-02 01:33:24,026 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 01:33:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-02 01:33:24,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 01:33:24,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:24,027 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:24,027 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:24,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:24,027 INFO L82 PathProgramCache]: Analyzing trace with hash 276108552, now seen corresponding path program 1 times [2018-12-02 01:33:24,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:24,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:24,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,028 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:24,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:24,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 01:33:24,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:24,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 01:33:24,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 01:33:24,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 01:33:24,106 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-12-02 01:33:24,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:24,271 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-02 01:33:24,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 01:33:24,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 01:33:24,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:24,273 INFO L225 Difference]: With dead ends: 216 [2018-12-02 01:33:24,273 INFO L226 Difference]: Without dead ends: 120 [2018-12-02 01:33:24,274 INFO L631 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 [2018-12-02 01:33:24,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-02 01:33:24,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-02 01:33:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-02 01:33:24,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-02 01:33:24,284 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-12-02 01:33:24,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:24,285 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-02 01:33:24,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 01:33:24,285 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-02 01:33:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 01:33:24,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:24,287 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:24,287 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:24,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash 984213394, now seen corresponding path program 1 times [2018-12-02 01:33:24,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:24,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:24,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:24,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:24,368 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 01:33:24,368 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:24,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 01:33:24,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 01:33:24,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:33:24,369 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-12-02 01:33:24,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:24,655 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2018-12-02 01:33:24,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:33:24,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-02 01:33:24,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:24,657 INFO L225 Difference]: With dead ends: 322 [2018-12-02 01:33:24,658 INFO L226 Difference]: Without dead ends: 226 [2018-12-02 01:33:24,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 01:33:24,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-02 01:33:24,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2018-12-02 01:33:24,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-12-02 01:33:24,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2018-12-02 01:33:24,679 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2018-12-02 01:33:24,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:24,679 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2018-12-02 01:33:24,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 01:33:24,679 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2018-12-02 01:33:24,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 01:33:24,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:24,681 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:24,681 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:24,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:24,682 INFO L82 PathProgramCache]: Analyzing trace with hash -13182587, now seen corresponding path program 1 times [2018-12-02 01:33:24,682 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:24,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:24,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,683 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:24,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:24,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:33:24,764 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:24,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:33:24,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:33:24,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:33:24,765 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2018-12-02 01:33:24,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:24,865 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2018-12-02 01:33:24,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 01:33:24,865 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 01:33:24,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:24,867 INFO L225 Difference]: With dead ends: 504 [2018-12-02 01:33:24,867 INFO L226 Difference]: Without dead ends: 320 [2018-12-02 01:33:24,868 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:33:24,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-02 01:33:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-12-02 01:33:24,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-02 01:33:24,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2018-12-02 01:33:24,883 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2018-12-02 01:33:24,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:24,883 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2018-12-02 01:33:24,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:33:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2018-12-02 01:33:24,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 01:33:24,884 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:24,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:24,885 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:24,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:24,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1190699199, now seen corresponding path program 1 times [2018-12-02 01:33:24,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:24,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:24,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:24,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:24,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:24,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 01:33:24,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:24,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 01:33:24,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 01:33:24,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 01:33:24,947 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2018-12-02 01:33:25,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:25,073 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2018-12-02 01:33:25,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 01:33:25,073 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 01:33:25,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:25,076 INFO L225 Difference]: With dead ends: 679 [2018-12-02 01:33:25,076 INFO L226 Difference]: Without dead ends: 495 [2018-12-02 01:33:25,077 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:33:25,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-02 01:33:25,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2018-12-02 01:33:25,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-02 01:33:25,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2018-12-02 01:33:25,104 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2018-12-02 01:33:25,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:25,105 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2018-12-02 01:33:25,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 01:33:25,105 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2018-12-02 01:33:25,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 01:33:25,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:25,107 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:25,107 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:25,107 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:25,107 INFO L82 PathProgramCache]: Analyzing trace with hash 268015616, now seen corresponding path program 1 times [2018-12-02 01:33:25,107 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:25,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,108 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:25,108 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,108 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:25,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:25,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:25,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 01:33:25,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:25,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 01:33:25,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 01:33:25,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:33:25,155 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2018-12-02 01:33:25,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:25,184 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2018-12-02 01:33:25,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 01:33:25,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-02 01:33:25,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:25,187 INFO L225 Difference]: With dead ends: 832 [2018-12-02 01:33:25,187 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 01:33:25,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 01:33:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 01:33:25,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-02 01:33:25,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-02 01:33:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2018-12-02 01:33:25,212 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2018-12-02 01:33:25,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:25,212 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2018-12-02 01:33:25,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 01:33:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2018-12-02 01:33:25,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 01:33:25,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:25,214 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:25,214 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:25,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:25,214 INFO L82 PathProgramCache]: Analyzing trace with hash -575989886, now seen corresponding path program 1 times [2018-12-02 01:33:25,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:25,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:25,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:25,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:25,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:25,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 01:33:25,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:25,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 01:33:25,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 01:33:25,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 01:33:25,285 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2018-12-02 01:33:25,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:25,324 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2018-12-02 01:33:25,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 01:33:25,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-02 01:33:25,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:25,326 INFO L225 Difference]: With dead ends: 944 [2018-12-02 01:33:25,326 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 01:33:25,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:33:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 01:33:25,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-02 01:33:25,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-02 01:33:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2018-12-02 01:33:25,341 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2018-12-02 01:33:25,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:25,341 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2018-12-02 01:33:25,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 01:33:25,342 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2018-12-02 01:33:25,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-02 01:33:25,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:25,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:25,343 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:25,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:25,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1204861054, now seen corresponding path program 1 times [2018-12-02 01:33:25,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:25,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:25,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:25,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 01:33:25,414 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 01:33:25,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 01:33:25,414 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:25,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 01:33:25,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 01:33:25,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 01:33:25,415 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2018-12-02 01:33:25,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:25,550 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2018-12-02 01:33:25,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 01:33:25,551 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-02 01:33:25,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:25,553 INFO L225 Difference]: With dead ends: 944 [2018-12-02 01:33:25,553 INFO L226 Difference]: Without dead ends: 487 [2018-12-02 01:33:25,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:33:25,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-02 01:33:25,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2018-12-02 01:33:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-02 01:33:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2018-12-02 01:33:25,581 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2018-12-02 01:33:25,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:25,582 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2018-12-02 01:33:25,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 01:33:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2018-12-02 01:33:25,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 01:33:25,584 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:25,584 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:25,584 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:25,584 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:25,585 INFO L82 PathProgramCache]: Analyzing trace with hash 619957596, now seen corresponding path program 1 times [2018-12-02 01:33:25,585 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:25,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,585 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:25,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:25,585 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:25,634 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 01:33:25,634 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:33:25,634 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:33:25,634 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-12-02 01:33:25,636 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-02 01:33:25,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:33:25,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:33:25,883 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:33:25,884 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Performed 1947 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 01:33:25,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:25,894 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:33:26,055 INFO L227 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 96.45% of their original sizes. [2018-12-02 01:33:26,055 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:33:26,123 INFO L418 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-12-02 01:33:26,123 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:33:26,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:33:26,124 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-02 01:33:26,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:26,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 01:33:26,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 01:33:26,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-02 01:33:26,125 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 13 states. [2018-12-02 01:33:27,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:27,471 INFO L93 Difference]: Finished difference Result 977 states and 1130 transitions. [2018-12-02 01:33:27,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 01:33:27,471 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2018-12-02 01:33:27,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:27,472 INFO L225 Difference]: With dead ends: 977 [2018-12-02 01:33:27,472 INFO L226 Difference]: Without dead ends: 531 [2018-12-02 01:33:27,473 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-12-02 01:33:27,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-12-02 01:33:27,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-12-02 01:33:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-12-02 01:33:27,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 604 transitions. [2018-12-02 01:33:27,486 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 604 transitions. Word has length 132 [2018-12-02 01:33:27,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:27,486 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 604 transitions. [2018-12-02 01:33:27,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 01:33:27,487 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 604 transitions. [2018-12-02 01:33:27,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 01:33:27,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:27,488 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:27,488 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:27,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:27,488 INFO L82 PathProgramCache]: Analyzing trace with hash 1654159510, now seen corresponding path program 1 times [2018-12-02 01:33:27,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:27,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:27,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:27,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:27,489 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 01:33:27,521 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:33:27,521 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:33:27,521 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 01:33:27,521 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-02 01:33:27,523 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:33:27,523 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:33:27,731 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 01:33:27,731 INFO L272 AbstractInterpreter]: Visited 62 different actions 91 times. Merged at 5 different actions 5 times. Never widened. Performed 4658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 01:33:27,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:27,734 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 01:33:27,901 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.45% of their original sizes. [2018-12-02 01:33:27,901 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 01:33:27,977 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-02 01:33:27,977 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 01:33:27,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 01:33:27,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-12-02 01:33:27,977 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 01:33:27,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 01:33:27,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 01:33:27,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-02 01:33:27,978 INFO L87 Difference]: Start difference. First operand 529 states and 604 transitions. Second operand 16 states. [2018-12-02 01:33:29,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:29,570 INFO L93 Difference]: Finished difference Result 947 states and 1105 transitions. [2018-12-02 01:33:29,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-02 01:33:29,570 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-02 01:33:29,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:29,572 INFO L225 Difference]: With dead ends: 947 [2018-12-02 01:33:29,572 INFO L226 Difference]: Without dead ends: 614 [2018-12-02 01:33:29,574 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2018-12-02 01:33:29,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-12-02 01:33:29,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 607. [2018-12-02 01:33:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-12-02 01:33:29,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 692 transitions. [2018-12-02 01:33:29,601 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 692 transitions. Word has length 136 [2018-12-02 01:33:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:29,602 INFO L480 AbstractCegarLoop]: Abstraction has 607 states and 692 transitions. [2018-12-02 01:33:29,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 01:33:29,602 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 692 transitions. [2018-12-02 01:33:29,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-02 01:33:29,604 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 01:33:29,604 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 01:33:29,604 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 01:33:29,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:29,605 INFO L82 PathProgramCache]: Analyzing trace with hash 538393945, now seen corresponding path program 1 times [2018-12-02 01:33:29,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 01:33:29,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:29,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:29,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 01:33:29,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 01:33:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:29,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 01:33:29,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:33:29,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 01:33:29,674 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-02 01:33:29,674 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [119], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-02 01:33:29,677 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 01:33:29,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 01:33:29,894 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 01:33:29,894 INFO L272 AbstractInterpreter]: Visited 93 different actions 113 times. Merged at 5 different actions 5 times. Never widened. Performed 6169 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 01:33:29,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 01:33:29,896 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 01:33:29,896 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 01:33:29,896 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/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 [2018-12-02 01:33:29,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 01:33:29,903 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 01:33:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 01:33:30,019 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 01:33:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 01:33:30,138 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 01:33:30,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 01:33:30,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 01:33:30,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-02 01:33:30,405 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 01:33:30,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 01:33:30,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 01:33:30,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-02 01:33:30,406 INFO L87 Difference]: Start difference. First operand 607 states and 692 transitions. Second operand 15 states. [2018-12-02 01:33:31,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 01:33:31,741 INFO L93 Difference]: Finished difference Result 1928 states and 2675 transitions. [2018-12-02 01:33:31,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 01:33:31,741 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-12-02 01:33:31,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 01:33:31,742 INFO L225 Difference]: With dead ends: 1928 [2018-12-02 01:33:31,742 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 01:33:31,746 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 262 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-02 01:33:31,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 01:33:31,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 01:33:31,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 01:33:31,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 01:33:31,747 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-12-02 01:33:31,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 01:33:31,747 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 01:33:31,747 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 01:33:31,747 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 01:33:31,747 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 01:33:31,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 01:33:31,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:31,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 01:33:32,836 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-12-02 01:33:33,385 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-12-02 01:33:33,709 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-12-02 01:33:33,855 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-12-02 01:33:34,049 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-12-02 01:33:34,260 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-12-02 01:33:34,713 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-12-02 01:33:34,713 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-02 01:33:34,713 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-12-02 01:33:34,713 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-12-02 01:33:34,713 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-12-02 01:33:34,713 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 01:33:34,713 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 01:33:34,713 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,713 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,714 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,714 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 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))) [2018-12-02 01:33:34,714 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 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))) [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-12-02 01:33:34,714 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L451 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-12-02 01:33:34,714 INFO L448 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-12-02 01:33:34,714 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L444 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-12-02 01:33:34,715 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:33:34,716 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-02 01:33:34,717 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L451 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-12-02 01:33:34,717 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-12-02 01:33:34,718 INFO L444 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-12-02 01:33:34,718 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-12-02 01:33:34,718 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 01:33:34,718 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 01:33:34,718 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 01:33:34,718 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-12-02 01:33:34,719 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 01:33:34,719 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 01:33:34,719 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 01:33:34,719 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (not (= ~waterLevel~0 2))) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (< 2 ~waterLevel~0) .cse0))) [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< 2 |old(~waterLevel~0)|) .cse4 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse4 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse1 .cse6) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse6 .cse4 .cse1))) [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-12-02 01:33:34,720 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-12-02 01:33:34,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:33:34 BoogieIcfgContainer [2018-12-02 01:33:34,730 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 01:33:34,730 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 01:33:34,730 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 01:33:34,731 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 01:33:34,731 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:33:23" (3/4) ... [2018-12-02 01:33:34,733 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 01:33:34,738 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 01:33:34,739 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 01:33:34,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 01:33:34,744 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 01:33:34,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 01:33:34,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 01:33:34,745 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 01:33:34,746 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 01:33:34,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:33:34,766 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 01:33:34,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf3db6d6-dea5-4a8e-bb6b-060cfa47dfd2/bin-2019/utaipan/witness.graphml [2018-12-02 01:33:34,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 01:33:34,794 INFO L168 Benchmark]: Toolchain (without parser) took 11816.88 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 502.3 MB). Free memory was 945.9 MB in the beginning and 1.4 GB in the end (delta: -487.8 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:33:34,794 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 01:33:34,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-02 01:33:34,795 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.30 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. [2018-12-02 01:33:34,795 INFO L168 Benchmark]: Boogie Preprocessor took 27.40 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. [2018-12-02 01:33:34,795 INFO L168 Benchmark]: RCFGBuilder took 321.38 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-02 01:33:34,795 INFO L168 Benchmark]: TraceAbstraction took 11086.61 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -398.7 MB). Peak memory consumption was 554.1 MB. Max. memory is 11.5 GB. [2018-12-02 01:33:34,795 INFO L168 Benchmark]: Witness Printer took 63.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-12-02 01:33:34,796 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.30 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. * Boogie Preprocessor took 27.40 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 321.38 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: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11086.61 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 392.7 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -398.7 MB). Peak memory consumption was 554.1 MB. Max. memory is 11.5 GB. * Witness Printer took 63.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 11.0s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1896 SDtfs, 1804 SDslu, 7021 SDs, 0 SdLazy, 3455 SolverSat, 930 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 687 GetRequests, 535 SyntacticMatches, 14 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 644 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=607occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.997911056911145 AbsIntWeakeningRatio, 0.9323308270676691 AbsIntAvgWeakeningVarsNumRemoved, 42.9812030075188 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 78 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1970 PreInvPairs, 2327 NumberOfFragments, 1750 HoareAnnotationTreeSize, 1970 FomulaSimplifications, 6097 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 59 FomulaSimplificationsInter, 18681 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1209 NumberOfCodeBlocks, 1209 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1331 ConstructedInterpolants, 0 QuantifiedInterpolants, 230862 SizeOfPredicates, 7 NumberOfNonLiveVariables, 818 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 130/150 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...