./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_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_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/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 7c9d11b324245890faf2aa5cc0763c01a125dd6d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:08:40,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:08:40,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:08:40,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:08:40,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:08:40,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:08:40,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:08:40,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:08:40,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:08:40,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:08:40,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:08:40,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:08:40,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:08:40,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:08:40,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:08:40,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:08:40,418 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:08:40,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:08:40,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:08:40,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:08:40,421 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:08:40,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:08:40,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:08:40,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:08:40,424 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:08:40,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:08:40,425 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:08:40,426 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:08:40,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:08:40,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:08:40,427 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:08:40,427 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:08:40,427 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:08:40,427 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:08:40,428 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:08:40,428 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:08:40,428 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:08:40,435 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:08:40,435 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:08:40,436 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:08:40,436 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:08:40,436 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:08:40,436 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:08:40,436 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:08:40,436 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:08:40,437 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:08:40,437 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:08:40,437 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:08:40,437 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:08:40,437 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:08:40,438 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:08:40,438 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:08:40,438 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:08:40,438 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:08:40,438 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:08:40,438 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:08:40,439 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:08:40,439 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:08:40,439 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:08:40,439 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:08:40,439 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:08:40,439 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:08:40,440 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:08:40,440 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:08:40,441 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:08:40,441 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_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/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 -> 7c9d11b324245890faf2aa5cc0763c01a125dd6d [2018-12-08 22:08:40,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:08:40,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:08:40,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:08:40,473 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:08:40,473 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:08:40,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 22:08:40,509 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/data/842f44abc/83f597d95b044aff99c3d26a2ce5d1f5/FLAG415693236 [2018-12-08 22:08:40,960 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:08:40,960 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 22:08:40,967 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/data/842f44abc/83f597d95b044aff99c3d26a2ce5d1f5/FLAG415693236 [2018-12-08 22:08:40,975 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/data/842f44abc/83f597d95b044aff99c3d26a2ce5d1f5 [2018-12-08 22:08:40,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:08:40,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:08:40,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:08:40,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:08:40,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:08:40,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:08:40" (1/1) ... [2018-12-08 22:08:40,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:40, skipping insertion in model container [2018-12-08 22:08:40,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:08:40" (1/1) ... [2018-12-08 22:08:40,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:08:41,009 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:08:41,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:08:41,209 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:08:41,251 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:08:41,268 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:08:41,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41 WrapperNode [2018-12-08 22:08:41,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:08:41,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:08:41,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:08:41,269 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:08:41,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:08:41,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:08:41,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:08:41,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:08:41,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,298 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,298 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... [2018-12-08 22:08:41,312 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:08:41,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:08:41,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:08:41,312 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:08:41,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/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 [2018-12-08 22:08:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 22:08:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 22:08:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 22:08:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 22:08:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 22:08:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 22:08:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 22:08:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 22:08:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:08:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:08:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 22:08:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 22:08:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 22:08:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 22:08:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 22:08:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 22:08:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 22:08:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 22:08:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 22:08:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 22:08:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 22:08:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 22:08:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 22:08:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 22:08:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 22:08:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 22:08:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:08:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:08:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 22:08:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 22:08:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 22:08:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 22:08:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 22:08:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 22:08:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:08:41,350 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:08:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:08:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:08:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:08:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:08:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:08:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:08:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 22:08:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 22:08:41,351 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 22:08:41,351 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 22:08:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 22:08:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 22:08:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 22:08:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 22:08:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 22:08:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:08:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:08:41,352 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 22:08:41,352 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 22:08:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 22:08:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 22:08:41,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:08:41,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:08:41,668 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:08:41,668 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 22:08:41,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:08:41 BoogieIcfgContainer [2018-12-08 22:08:41,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:08:41,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:08:41,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:08:41,671 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:08:41,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:08:40" (1/3) ... [2018-12-08 22:08:41,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385203cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:08:41, skipping insertion in model container [2018-12-08 22:08:41,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:08:41" (2/3) ... [2018-12-08 22:08:41,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385203cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:08:41, skipping insertion in model container [2018-12-08 22:08:41,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:08:41" (3/3) ... [2018-12-08 22:08:41,673 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 22:08:41,679 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:08:41,684 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:08:41,693 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:08:41,712 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:08:41,712 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:08:41,712 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:08:41,712 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:08:41,712 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:08:41,712 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:08:41,712 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:08:41,712 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:08:41,725 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-12-08 22:08:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 22:08:41,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:41,731 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:41,733 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:41,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:41,736 INFO L82 PathProgramCache]: Analyzing trace with hash 2083690591, now seen corresponding path program 1 times [2018-12-08 22:08:41,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:41,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:41,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:41,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:41,765 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:41,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:41,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:08:41,876 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:41,879 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:08:41,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:08:41,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:08:41,889 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-12-08 22:08:41,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:41,914 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2018-12-08 22:08:41,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:08:41,915 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 22:08:41,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:41,922 INFO L225 Difference]: With dead ends: 334 [2018-12-08 22:08:41,922 INFO L226 Difference]: Without dead ends: 169 [2018-12-08 22:08:41,924 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 [2018-12-08 22:08:41,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-12-08 22:08:41,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-12-08 22:08:41,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-12-08 22:08:41,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2018-12-08 22:08:41,957 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2018-12-08 22:08:41,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:41,957 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2018-12-08 22:08:41,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:08:41,957 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2018-12-08 22:08:41,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 22:08:41,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:41,959 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:41,959 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:41,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:41,959 INFO L82 PathProgramCache]: Analyzing trace with hash -680279875, now seen corresponding path program 1 times [2018-12-08 22:08:41,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:41,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:41,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:41,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:41,960 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:42,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:42,057 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:08:42,057 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:42,058 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:08:42,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:08:42,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:08:42,058 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 7 states. [2018-12-08 22:08:42,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:42,373 INFO L93 Difference]: Finished difference Result 516 states and 639 transitions. [2018-12-08 22:08:42,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 22:08:42,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 22:08:42,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:42,377 INFO L225 Difference]: With dead ends: 516 [2018-12-08 22:08:42,378 INFO L226 Difference]: Without dead ends: 375 [2018-12-08 22:08:42,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 22:08:42,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-12-08 22:08:42,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2018-12-08 22:08:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-08 22:08:42,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 452 transitions. [2018-12-08 22:08:42,414 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 452 transitions. Word has length 64 [2018-12-08 22:08:42,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:42,414 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 452 transitions. [2018-12-08 22:08:42,414 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:08:42,415 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 452 transitions. [2018-12-08 22:08:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 22:08:42,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:42,417 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:42,418 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:42,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:42,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1318653095, now seen corresponding path program 1 times [2018-12-08 22:08:42,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:42,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:42,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:42,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 22:08:42,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:42,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:08:42,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:42,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:08:42,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:08:42,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:08:42,504 INFO L87 Difference]: Start difference. First operand 367 states and 452 transitions. Second operand 6 states. [2018-12-08 22:08:42,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:42,672 INFO L93 Difference]: Finished difference Result 865 states and 1122 transitions. [2018-12-08 22:08:42,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:08:42,672 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-12-08 22:08:42,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:42,675 INFO L225 Difference]: With dead ends: 865 [2018-12-08 22:08:42,676 INFO L226 Difference]: Without dead ends: 526 [2018-12-08 22:08:42,678 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:08:42,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-12-08 22:08:42,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 512. [2018-12-08 22:08:42,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-12-08 22:08:42,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 633 transitions. [2018-12-08 22:08:42,720 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 633 transitions. Word has length 70 [2018-12-08 22:08:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:42,721 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 633 transitions. [2018-12-08 22:08:42,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:08:42,721 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 633 transitions. [2018-12-08 22:08:42,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 22:08:42,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:42,725 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:42,725 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:42,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:42,725 INFO L82 PathProgramCache]: Analyzing trace with hash -473189652, now seen corresponding path program 1 times [2018-12-08 22:08:42,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:42,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:42,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:42,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:42,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 22:08:42,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:42,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:08:42,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:08:42,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 22:08:42,767 INFO L87 Difference]: Start difference. First operand 512 states and 633 transitions. Second operand 3 states. [2018-12-08 22:08:42,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:42,785 INFO L93 Difference]: Finished difference Result 850 states and 1018 transitions. [2018-12-08 22:08:42,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:08:42,786 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-12-08 22:08:42,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:42,788 INFO L225 Difference]: With dead ends: 850 [2018-12-08 22:08:42,788 INFO L226 Difference]: Without dead ends: 467 [2018-12-08 22:08:42,789 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 [2018-12-08 22:08:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-12-08 22:08:42,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2018-12-08 22:08:42,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2018-12-08 22:08:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 561 transitions. [2018-12-08 22:08:42,809 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 561 transitions. Word has length 108 [2018-12-08 22:08:42,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:42,810 INFO L480 AbstractCegarLoop]: Abstraction has 467 states and 561 transitions. [2018-12-08 22:08:42,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:08:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 561 transitions. [2018-12-08 22:08:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 22:08:42,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:42,811 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:42,811 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:42,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:42,812 INFO L82 PathProgramCache]: Analyzing trace with hash 551157418, now seen corresponding path program 1 times [2018-12-08 22:08:42,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:42,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:42,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:42,863 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:42,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 22:08:42,863 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:42,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:08:42,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:08:42,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 22:08:42,864 INFO L87 Difference]: Start difference. First operand 467 states and 561 transitions. Second operand 6 states. [2018-12-08 22:08:42,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:42,893 INFO L93 Difference]: Finished difference Result 920 states and 1146 transitions. [2018-12-08 22:08:42,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:08:42,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-12-08 22:08:42,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:42,895 INFO L225 Difference]: With dead ends: 920 [2018-12-08 22:08:42,895 INFO L226 Difference]: Without dead ends: 481 [2018-12-08 22:08:42,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:08:42,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2018-12-08 22:08:42,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 477. [2018-12-08 22:08:42,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-08 22:08:42,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 571 transitions. [2018-12-08 22:08:42,910 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 571 transitions. Word has length 112 [2018-12-08 22:08:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:42,910 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 571 transitions. [2018-12-08 22:08:42,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:08:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 571 transitions. [2018-12-08 22:08:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 22:08:42,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:42,912 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:42,912 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:42,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:42,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1804647832, now seen corresponding path program 1 times [2018-12-08 22:08:42,912 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:42,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:42,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:42,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:42,973 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:42,973 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 22:08:42,973 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:42,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 22:08:42,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 22:08:42,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:08:42,973 INFO L87 Difference]: Start difference. First operand 477 states and 571 transitions. Second operand 8 states. [2018-12-08 22:08:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:42,998 INFO L93 Difference]: Finished difference Result 940 states and 1166 transitions. [2018-12-08 22:08:42,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 22:08:42,998 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2018-12-08 22:08:42,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:43,000 INFO L225 Difference]: With dead ends: 940 [2018-12-08 22:08:43,000 INFO L226 Difference]: Without dead ends: 491 [2018-12-08 22:08:43,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 22:08:43,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-12-08 22:08:43,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 485. [2018-12-08 22:08:43,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-12-08 22:08:43,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 579 transitions. [2018-12-08 22:08:43,014 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 579 transitions. Word has length 112 [2018-12-08 22:08:43,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:43,015 INFO L480 AbstractCegarLoop]: Abstraction has 485 states and 579 transitions. [2018-12-08 22:08:43,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 22:08:43,015 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 579 transitions. [2018-12-08 22:08:43,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 22:08:43,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:43,016 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:43,016 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:43,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:43,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1035477817, now seen corresponding path program 1 times [2018-12-08 22:08:43,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:43,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:43,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:43,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:43,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:43,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:43,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 22:08:43,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:43,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 22:08:43,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 22:08:43,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 22:08:43,065 INFO L87 Difference]: Start difference. First operand 485 states and 579 transitions. Second operand 4 states. [2018-12-08 22:08:43,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:43,219 INFO L93 Difference]: Finished difference Result 1531 states and 1914 transitions. [2018-12-08 22:08:43,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 22:08:43,220 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-12-08 22:08:43,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:43,224 INFO L225 Difference]: With dead ends: 1531 [2018-12-08 22:08:43,224 INFO L226 Difference]: Without dead ends: 1074 [2018-12-08 22:08:43,226 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 22:08:43,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-12-08 22:08:43,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1057. [2018-12-08 22:08:43,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2018-12-08 22:08:43,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1294 transitions. [2018-12-08 22:08:43,264 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1294 transitions. Word has length 112 [2018-12-08 22:08:43,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:43,264 INFO L480 AbstractCegarLoop]: Abstraction has 1057 states and 1294 transitions. [2018-12-08 22:08:43,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 22:08:43,264 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1294 transitions. [2018-12-08 22:08:43,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 22:08:43,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:43,266 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:43,266 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:43,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:43,266 INFO L82 PathProgramCache]: Analyzing trace with hash -1829160319, now seen corresponding path program 1 times [2018-12-08 22:08:43,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:43,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:43,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:43,267 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:43,267 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 22:08:43,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:08:43,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 22:08:43,363 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:43,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:08:43,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:08:43,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:08:43,364 INFO L87 Difference]: Start difference. First operand 1057 states and 1294 transitions. Second operand 9 states. [2018-12-08 22:08:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:44,085 INFO L93 Difference]: Finished difference Result 2909 states and 3704 transitions. [2018-12-08 22:08:44,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 22:08:44,086 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2018-12-08 22:08:44,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:44,091 INFO L225 Difference]: With dead ends: 2909 [2018-12-08 22:08:44,091 INFO L226 Difference]: Without dead ends: 2072 [2018-12-08 22:08:44,093 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 22:08:44,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2018-12-08 22:08:44,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1856. [2018-12-08 22:08:44,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-12-08 22:08:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2236 transitions. [2018-12-08 22:08:44,153 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2236 transitions. Word has length 116 [2018-12-08 22:08:44,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:44,154 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2236 transitions. [2018-12-08 22:08:44,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:08:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2236 transitions. [2018-12-08 22:08:44,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 22:08:44,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:44,156 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:44,156 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:44,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:44,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1423248572, now seen corresponding path program 1 times [2018-12-08 22:08:44,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:44,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:44,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:44,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:44,158 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 22:08:44,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:44,268 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:08:44,268 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-12-08 22:08:44,270 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [99], [103], [104], [105], [108], [110], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [177], [178], [179], [180], [181], [182], [183], [185], [190], [193], [194], [196], [201], [203], [204], [205], [206], [214], [215], [245], [248], [252], [258], [261], [265], [266], [270], [273], [275], [278], [285], [288], [291], [295], [296], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [339], [340], [341], [342], [343], [344], [349], [350], [353], [354], [355], [356], [357], [358], [363], [364], [365], [366], [367], [368], [369], [370], [371], [372], [373], [375], [376], [377], [378], [381], [382] [2018-12-08 22:08:44,308 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:08:44,308 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:08:45,484 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:08:45,485 INFO L272 AbstractInterpreter]: Visited 152 different actions 735 times. Merged at 15 different actions 42 times. Never widened. Performed 23641 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-08 22:08:45,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:45,492 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:08:45,492 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:45,492 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/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 [2018-12-08 22:08:45,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:45,511 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:08:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:45,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:08:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:08:45,705 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:08:45,984 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 22:08:46,000 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:08:46,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-08 22:08:46,000 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:08:46,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 22:08:46,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 22:08:46,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-08 22:08:46,001 INFO L87 Difference]: Start difference. First operand 1856 states and 2236 transitions. Second operand 16 states. [2018-12-08 22:08:46,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:46,802 INFO L93 Difference]: Finished difference Result 4206 states and 5287 transitions. [2018-12-08 22:08:46,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 22:08:46,802 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 193 [2018-12-08 22:08:46,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:46,808 INFO L225 Difference]: With dead ends: 4206 [2018-12-08 22:08:46,808 INFO L226 Difference]: Without dead ends: 2564 [2018-12-08 22:08:46,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 378 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-08 22:08:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2018-12-08 22:08:46,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2352. [2018-12-08 22:08:46,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2352 states. [2018-12-08 22:08:46,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 2796 transitions. [2018-12-08 22:08:46,893 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 2796 transitions. Word has length 193 [2018-12-08 22:08:46,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:46,894 INFO L480 AbstractCegarLoop]: Abstraction has 2352 states and 2796 transitions. [2018-12-08 22:08:46,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 22:08:46,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2796 transitions. [2018-12-08 22:08:46,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 22:08:46,899 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:46,900 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:46,900 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:46,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:46,900 INFO L82 PathProgramCache]: Analyzing trace with hash -431901940, now seen corresponding path program 1 times [2018-12-08 22:08:46,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:46,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:46,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:46,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:46,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:47,016 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 95 proven. 9 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2018-12-08 22:08:47,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:47,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:08:47,016 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-12-08 22:08:47,016 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [83], [87], [88], [89], [93], [95], [96], [97], [98], [99], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [177], [178], [179], [180], [181], [182], [183], [185], [190], [193], [194], [196], [201], [203], [204], [205], [206], [214], [215], [245], [248], [252], [258], [261], [265], [266], [270], [273], [275], [278], [285], [288], [291], [293], [295], [296], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [353], [354], [355], [356], [357], [358], [363], [364], [365], [366], [367], [368], [369], [370], [371], [372], [373], [375], [376], [377], [378], [381], [382] [2018-12-08 22:08:47,019 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:08:47,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:08:47,882 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:08:47,883 INFO L272 AbstractInterpreter]: Visited 154 different actions 741 times. Merged at 15 different actions 42 times. Never widened. Performed 23651 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23651 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-08 22:08:47,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:47,887 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:08:47,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:47,888 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:08:47,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:47,894 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:08:47,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:47,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:08:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 239 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 22:08:48,159 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:08:48,648 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 75 proven. 33 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-08 22:08:48,664 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 22:08:48,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-08 22:08:48,664 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 22:08:48,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 22:08:48,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 22:08:48,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-08 22:08:48,665 INFO L87 Difference]: Start difference. First operand 2352 states and 2796 transitions. Second operand 18 states. [2018-12-08 22:08:50,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:50,329 INFO L93 Difference]: Finished difference Result 6361 states and 7976 transitions. [2018-12-08 22:08:50,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-08 22:08:50,330 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-12-08 22:08:50,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:50,338 INFO L225 Difference]: With dead ends: 6361 [2018-12-08 22:08:50,338 INFO L226 Difference]: Without dead ends: 3406 [2018-12-08 22:08:50,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 651 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-12-08 22:08:50,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2018-12-08 22:08:50,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3216. [2018-12-08 22:08:50,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3216 states. [2018-12-08 22:08:50,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 3776 transitions. [2018-12-08 22:08:50,437 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 3776 transitions. Word has length 331 [2018-12-08 22:08:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:50,437 INFO L480 AbstractCegarLoop]: Abstraction has 3216 states and 3776 transitions. [2018-12-08 22:08:50,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 22:08:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3776 transitions. [2018-12-08 22:08:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2018-12-08 22:08:50,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:50,444 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:50,444 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:50,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:50,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1373092959, now seen corresponding path program 1 times [2018-12-08 22:08:50,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:50,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:50,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:50,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:50,445 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-08 22:08:50,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:50,541 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:08:50,541 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 423 with the following transitions: [2018-12-08 22:08:50,541 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [72], [74], [75], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [102], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [163], [166], [177], [178], [179], [180], [181], [182], [183], [185], [190], [193], [194], [196], [199], [201], [203], [204], [205], [206], [214], [215], [245], [248], [252], [258], [261], [265], [266], [270], [273], [275], [278], [281], [285], [288], [291], [295], [296], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [347], [348], [349], [350], [353], [354], [355], [356], [357], [358], [363], [364], [365], [366], [367], [368], [369], [370], [371], [372], [373], [375], [376], [377], [378], [379], [380], [381], [382] [2018-12-08 22:08:50,543 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:08:50,543 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:08:53,078 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:08:53,078 INFO L272 AbstractInterpreter]: Visited 161 different actions 1822 times. Merged at 40 different actions 391 times. Widened at 1 different actions 4 times. Performed 69474 root evaluator evaluations with a maximum evaluation depth of 5. Performed 69474 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 76 fixpoints after 10 different actions. Largest state had 135 variables. [2018-12-08 22:08:53,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:53,084 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:08:53,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:53,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:08:53,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:53,090 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:08:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:53,218 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:08:53,269 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 368 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-12-08 22:08:53,269 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:08:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2018-12-08 22:08:53,548 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 22:08:53,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [9] total 11 [2018-12-08 22:08:53,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:53,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 22:08:53,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 22:08:53,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:08:53,549 INFO L87 Difference]: Start difference. First operand 3216 states and 3776 transitions. Second operand 3 states. [2018-12-08 22:08:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:53,630 INFO L93 Difference]: Finished difference Result 3754 states and 4434 transitions. [2018-12-08 22:08:53,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 22:08:53,630 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 422 [2018-12-08 22:08:53,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:53,637 INFO L225 Difference]: With dead ends: 3754 [2018-12-08 22:08:53,637 INFO L226 Difference]: Without dead ends: 1360 [2018-12-08 22:08:53,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 854 GetRequests, 845 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:08:53,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2018-12-08 22:08:53,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 1325. [2018-12-08 22:08:53,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1325 states. [2018-12-08 22:08:53,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1325 states and 1509 transitions. [2018-12-08 22:08:53,697 INFO L78 Accepts]: Start accepts. Automaton has 1325 states and 1509 transitions. Word has length 422 [2018-12-08 22:08:53,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:53,698 INFO L480 AbstractCegarLoop]: Abstraction has 1325 states and 1509 transitions. [2018-12-08 22:08:53,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 22:08:53,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1325 states and 1509 transitions. [2018-12-08 22:08:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-12-08 22:08:53,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:08:53,703 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:08:53,704 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:08:53,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:53,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1839291721, now seen corresponding path program 1 times [2018-12-08 22:08:53,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:08:53,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:53,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:53,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:08:53,705 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:08:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-08 22:08:53,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:53,867 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 22:08:53,867 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 417 with the following transitions: [2018-12-08 22:08:53,867 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [76], [77], [78], [80], [85], [87], [88], [89], [93], [95], [96], [97], [98], [99], [102], [103], [104], [105], [108], [110], [113], [116], [120], [123], [124], [125], [134], [138], [142], [145], [148], [150], [156], [158], [161], [177], [178], [179], [180], [181], [182], [183], [185], [190], [193], [194], [196], [199], [201], [203], [204], [205], [206], [214], [215], [245], [248], [252], [258], [261], [265], [266], [270], [273], [275], [278], [281], [285], [288], [291], [295], [296], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [321], [322], [323], [324], [327], [328], [329], [330], [331], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [353], [354], [355], [356], [357], [358], [363], [364], [365], [366], [367], [368], [369], [370], [371], [372], [373], [375], [376], [377], [378], [379], [380], [381], [382] [2018-12-08 22:08:53,869 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 22:08:53,869 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 22:08:55,672 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 22:08:55,672 INFO L272 AbstractInterpreter]: Visited 154 different actions 1502 times. Merged at 37 different actions 305 times. Widened at 1 different actions 2 times. Performed 51068 root evaluator evaluations with a maximum evaluation depth of 5. Performed 51068 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 56 fixpoints after 8 different actions. Largest state had 134 variables. [2018-12-08 22:08:55,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:08:55,675 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 22:08:55,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 22:08:55,676 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 22:08:55,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:08:55,682 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 22:08:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:08:55,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:08:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-12-08 22:08:55,872 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 22:08:56,309 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-12-08 22:08:56,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-08 22:08:56,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-08 22:08:56,325 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:08:56,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 22:08:56,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 22:08:56,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 22:08:56,325 INFO L87 Difference]: Start difference. First operand 1325 states and 1509 transitions. Second operand 6 states. [2018-12-08 22:08:56,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:08:56,358 INFO L93 Difference]: Finished difference Result 1621 states and 1834 transitions. [2018-12-08 22:08:56,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 22:08:56,359 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 416 [2018-12-08 22:08:56,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:08:56,359 INFO L225 Difference]: With dead ends: 1621 [2018-12-08 22:08:56,359 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:08:56,361 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 843 GetRequests, 827 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-08 22:08:56,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:08:56,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:08:56,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:08:56,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:08:56,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2018-12-08 22:08:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:08:56,362 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:08:56,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 22:08:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:08:56,362 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:08:56,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:08:56,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:56,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 22:08:57,119 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 32 [2018-12-08 22:08:57,624 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2018-12-08 22:08:57,902 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 49 [2018-12-08 22:08:58,170 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 33 [2018-12-08 22:08:58,331 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2018-12-08 22:08:58,687 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 40 [2018-12-08 22:08:59,003 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2018-12-08 22:08:59,467 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2018-12-08 22:08:59,631 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2018-12-08 22:08:59,877 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 34 [2018-12-08 22:09:00,292 WARN L180 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 53 [2018-12-08 22:09:00,480 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 38 [2018-12-08 22:09:00,483 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse6 .cse3) (or .cse0 .cse1 .cse7 .cse4 .cse3) (or .cse1 .cse7 (< 2 ~waterLevel~0) .cse5 .cse6))) [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-08 22:09:00,483 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 (not (= ~systemActive~0 0)) (< 2 ~waterLevel~0) .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 22:09:00,483 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse4 .cse3) (or (< 1 ~waterLevel~0) .cse2 .cse6 .cse5 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse6 (or .cse5 (or .cse2 .cse1))))) [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L444 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-12-08 22:09:00,484 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~waterLevel~0 2))) (.cse8 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1)) (or (not .cse4) (= 0 ~systemActive~0) .cse2 .cse5 .cse3) (or .cse2 .cse8 (not (= ~waterLevel~0 1))) (or (< ~switchedOnBeforeTS~0 1) (< 0 ~waterLevel~0) .cse2 .cse8) (or (and .cse7 (= ~pumpRunning~0 1)) (or (or .cse4 .cse9) .cse6)) (or .cse0 .cse6 (not (= |old(~systemActive~0)| 1)) .cse3 (= ~systemActive~0 1)) (or (or .cse2 .cse9) .cse8))) [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0) (or (< 0 ~waterLevel~0) .cse0 .cse3) (or (or .cse4 (< 2 ~waterLevel~0) .cse5 .cse3) (and .cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse0 (not (= ~waterLevel~0 1))) (or (and .cse6 (= ~pumpRunning~0 1)) (or (or .cse4 .cse1) .cse5)) (or .cse2 .cse5 (not (= |old(~systemActive~0)| 1)) .cse3 (= ~systemActive~0 1)))) [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2018-12-08 22:09:00,485 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L451 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2018-12-08 22:09:00,486 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~pumpRunning~0 1) (or (or .cse0 (not (= ~waterLevel~0 2))) .cse1)) (or (or .cse0 (< 2 ~waterLevel~0) .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 663) no Hoare annotation was computed. [2018-12-08 22:09:00,486 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point L412-1(line 412) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point L410(lines 410 427) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 406 430) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2018-12-08 22:09:00,487 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse3 (= ~pumpRunning~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (<= ~waterLevel~0 2) .cse3 .cse1 .cse4) (and .cse0 (= 2 ~waterLevel~0) .cse1) (and .cse0 .cse5 .cse1 .cse4) (and (<= 1 ~switchedOnBeforeTS~0) .cse0 .cse5 .cse1) (and (<= 2 ~waterLevel~0) (and .cse2 .cse3 .cse1) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 22:09:00,487 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 144 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,487 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 196) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point L190-1(lines 184 197) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 .cse2 (= 0 ~systemActive~0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L155(lines 154 201) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and .cse3 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point L199(lines 154 201) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse1 .cse2 .cse4) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~systemActive~0) .cse2 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)) .cse4) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2) (and .cse3 (<= ~waterLevel~0 2) .cse2 (= 0 ~systemActive~0) .cse4) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse4))) [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point L202(lines 153 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2018-12-08 22:09:00,488 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2018-12-08 22:09:00,488 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 452) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L444 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 439 455) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 22:09:00,489 INFO L444 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L451 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-08 22:09:00,489 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L451 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L451 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L451 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L451 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (and .cse12 .cse7)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse3 .cse5) (or (or (or .cse4 .cse6) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse1 .cse8 .cse4 .cse9 .cse5) (or .cse10 .cse1 .cse4 .cse5 .cse11) (or .cse10 .cse1 .cse0 .cse11 .cse5) (or (or .cse1 .cse4 .cse6) (and .cse12 (= 2 ~waterLevel~0))) (or .cse1 .cse0 .cse2 .cse8 .cse9)))) [2018-12-08 22:09:00,490 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse1))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse4 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (or .cse0 .cse2 .cse3) .cse4)))) [2018-12-08 22:09:00,490 INFO L444 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse1 .cse0 (< 2 |old(~waterLevel~0)|)) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0)))))) [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2018-12-08 22:09:00,490 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-12-08 22:09:00,490 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L326(lines 322 344) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L324(lines 322 344) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 576 587) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 22:09:00,491 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2018-12-08 22:09:00,491 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 22:09:00,491 INFO L448 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse2 .cse3 .cse4) (or .cse2 (or .cse4 .cse0) .cse3 .cse1) (or (= 1 ~waterLevel~0) (or .cse4 .cse0 (not (= |old(~waterLevel~0)| 1)))))) [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2018-12-08 22:09:00,492 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2018-12-08 22:09:00,492 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2018-12-08 22:09:00,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:09:00 BoogieIcfgContainer [2018-12-08 22:09:00,500 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:09:00,500 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:09:00,500 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:09:00,500 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:09:00,500 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:08:41" (3/4) ... [2018-12-08 22:09:00,502 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 22:09:00,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 22:09:00,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 22:09:00,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 22:09:00,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 22:09:00,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 22:09:00,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-12-08 22:09:00,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 22:09:00,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 22:09:00,512 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 22:09:00,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:09:00,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:09:00,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 22:09:00,529 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 22:09:00,552 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6e3b5aeb-ebd3-487f-acd3-183af60f1e32/bin-2019/utaipan/witness.graphml [2018-12-08 22:09:00,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:09:00,552 INFO L168 Benchmark]: Toolchain (without parser) took 19574.59 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 948.1 MB in the beginning and 1.9 GB in the end (delta: -912.9 MB). Peak memory consumption was 547.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:09:00,553 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. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.59 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. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: Boogie Preprocessor took 22.59 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. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: RCFGBuilder took 356.43 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: TraceAbstraction took 18830.69 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -862.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-08 22:09:00,553 INFO L168 Benchmark]: Witness Printer took 52.01 ms. Allocated memory is still 2.5 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:09:00,554 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 289.63 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -139.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.59 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 22.59 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 356.43 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18830.69 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -862.8 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 52.01 ms. Allocated memory is still 2.5 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: ((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 0 == systemActive) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 182 locations, 1 error locations. SAFE Result, 18.7s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2982 SDtfs, 2826 SDslu, 8862 SDs, 0 SdLazy, 6100 SolverSat, 1346 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2903 GetRequests, 2732 SyntacticMatches, 20 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 861 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3216occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 702 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 4919 PreInvPairs, 5140 NumberOfFragments, 2676 HoareAnnotationTreeSize, 4919 FomulaSimplifications, 11581 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 75 FomulaSimplificationsInter, 32967 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 3477 NumberOfCodeBlocks, 3477 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4819 ConstructedInterpolants, 0 QuantifiedInterpolants, 1874192 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5391 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 4731/4860 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...