./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/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 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:40:14,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:40:14,626 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:40:14,634 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:40:14,634 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:40:14,635 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:40:14,636 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:40:14,637 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:40:14,638 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:40:14,639 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:40:14,639 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:40:14,639 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:40:14,640 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:40:14,641 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:40:14,641 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:40:14,642 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:40:14,642 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:40:14,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:40:14,644 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:40:14,646 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:40:14,646 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:40:14,647 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:40:14,649 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:40:14,649 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:40:14,649 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:40:14,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:40:14,650 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:40:14,650 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:40:14,651 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:40:14,651 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:40:14,651 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:40:14,652 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:40:14,652 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:40:14,652 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:40:14,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:40:14,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:40:14,653 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:40:14,660 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:40:14,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:40:14,661 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:40:14,661 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:40:14,661 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:40:14,662 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:40:14,662 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:40:14,663 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:40:14,663 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:40:14,663 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:40:14,663 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:40:14,664 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:40:14,665 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:40:14,665 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:40:14,665 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:40:14,665 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:40:14,665 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:40:14,665 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:40:14,665 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:40:14,666 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:40:14,666 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_90eb187e-5785-4f99-b3c3-e234238657f7/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 -> 6a5b3ee1add5adeacf75c411f0af51a190ac6f33 [2018-11-18 16:40:14,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:40:14,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:40:14,704 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:40:14,705 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:40:14,705 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:40:14,706 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:40:14,745 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/data/afba23af9/3c1e3dfebeea4523840799dc5818d100/FLAGe5b377784 [2018-11-18 16:40:15,186 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:40:15,187 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:40:15,197 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/data/afba23af9/3c1e3dfebeea4523840799dc5818d100/FLAGe5b377784 [2018-11-18 16:40:15,210 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/data/afba23af9/3c1e3dfebeea4523840799dc5818d100 [2018-11-18 16:40:15,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:40:15,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:40:15,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:40:15,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:40:15,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:40:15,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15, skipping insertion in model container [2018-11-18 16:40:15,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:40:15,255 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:40:15,453 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:40:15,461 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:40:15,560 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:40:15,577 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:40:15,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15 WrapperNode [2018-11-18 16:40:15,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:40:15,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:40:15,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:40:15,579 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:40:15,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:40:15,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:40:15,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:40:15,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:40:15,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,627 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... [2018-11-18 16:40:15,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:40:15,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:40:15,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:40:15,630 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:40:15,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:40:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:40:15,664 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:40:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:40:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:40:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:40:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:40:15,665 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:40:15,665 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:40:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:40:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:40:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:40:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:40:15,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:40:15,666 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:40:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:40:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:40:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:40:15,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:40:15,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:40:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:40:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:40:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:40:15,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:40:15,668 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:40:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:40:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:40:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:40:15,669 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:40:15,669 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:40:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:40:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:40:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:40:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:40:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:40:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:40:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:40:15,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:40:15,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:40:15,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:40:15,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:40:16,109 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:40:16,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:40:16 BoogieIcfgContainer [2018-11-18 16:40:16,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:40:16,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:40:16,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:40:16,112 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:40:16,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:40:15" (1/3) ... [2018-11-18 16:40:16,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d79790c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:40:16, skipping insertion in model container [2018-11-18 16:40:16,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:40:15" (2/3) ... [2018-11-18 16:40:16,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d79790c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:40:16, skipping insertion in model container [2018-11-18 16:40:16,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:40:16" (3/3) ... [2018-11-18 16:40:16,114 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:40:16,120 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:40:16,126 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:40:16,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:40:16,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:40:16,157 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:40:16,158 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:40:16,158 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:40:16,158 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:40:16,158 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:40:16,158 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:40:16,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:40:16,172 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-18 16:40:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 16:40:16,179 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:16,180 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:16,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:16,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:16,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1313684845, now seen corresponding path program 1 times [2018-11-18 16:40:16,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:16,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:16,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:16,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:16,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:16,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:40:16,392 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:16,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:40:16,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:40:16,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:40:16,405 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-18 16:40:16,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:16,434 INFO L93 Difference]: Finished difference Result 272 states and 335 transitions. [2018-11-18 16:40:16,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:40:16,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 16:40:16,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:16,443 INFO L225 Difference]: With dead ends: 272 [2018-11-18 16:40:16,443 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 16:40:16,446 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:40:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 16:40:16,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 16:40:16,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 16:40:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-11-18 16:40:16,485 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 59 [2018-11-18 16:40:16,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:16,485 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-11-18 16:40:16,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:40:16,486 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-11-18 16:40:16,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:40:16,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:16,488 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:16,489 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:16,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:16,489 INFO L82 PathProgramCache]: Analyzing trace with hash 450369031, now seen corresponding path program 1 times [2018-11-18 16:40:16,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:16,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:16,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:16,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:16,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:16,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:40:16,594 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:16,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:40:16,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:40:16,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:40:16,596 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-11-18 16:40:16,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:16,614 INFO L93 Difference]: Finished difference Result 219 states and 255 transitions. [2018-11-18 16:40:16,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:40:16,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 16:40:16,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:16,616 INFO L225 Difference]: With dead ends: 219 [2018-11-18 16:40:16,616 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:40:16,617 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:40:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:40:16,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 16:40:16,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 16:40:16,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2018-11-18 16:40:16,628 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 61 [2018-11-18 16:40:16,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:16,628 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2018-11-18 16:40:16,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:40:16,629 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2018-11-18 16:40:16,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 16:40:16,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:16,631 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:16,631 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:16,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:16,631 INFO L82 PathProgramCache]: Analyzing trace with hash -654784499, now seen corresponding path program 1 times [2018-11-18 16:40:16,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:16,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:16,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:16,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:16,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:16,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:40:16,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:16,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:40:16,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:40:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:40:16,745 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 7 states. [2018-11-18 16:40:17,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:17,092 INFO L93 Difference]: Finished difference Result 228 states and 269 transitions. [2018-11-18 16:40:17,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:40:17,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 16:40:17,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:17,094 INFO L225 Difference]: With dead ends: 228 [2018-11-18 16:40:17,094 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 16:40:17,095 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:40:17,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 16:40:17,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 16:40:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 16:40:17,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2018-11-18 16:40:17,106 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 65 [2018-11-18 16:40:17,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:17,107 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2018-11-18 16:40:17,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:40:17,108 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2018-11-18 16:40:17,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 16:40:17,109 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:17,110 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:17,110 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:17,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:17,110 INFO L82 PathProgramCache]: Analyzing trace with hash 2122603213, now seen corresponding path program 1 times [2018-11-18 16:40:17,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:17,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:17,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:17,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:17,111 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:17,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:17,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:17,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:40:17,195 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:17,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:40:17,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:40:17,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:40:17,196 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 5 states. [2018-11-18 16:40:17,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:17,564 INFO L93 Difference]: Finished difference Result 331 states and 399 transitions. [2018-11-18 16:40:17,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:40:17,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-18 16:40:17,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:17,566 INFO L225 Difference]: With dead ends: 331 [2018-11-18 16:40:17,566 INFO L226 Difference]: Without dead ends: 231 [2018-11-18 16:40:17,567 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:40:17,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-18 16:40:17,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 212. [2018-11-18 16:40:17,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-18 16:40:17,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 243 transitions. [2018-11-18 16:40:17,587 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 243 transitions. Word has length 78 [2018-11-18 16:40:17,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:17,587 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 243 transitions. [2018-11-18 16:40:17,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:40:17,587 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 243 transitions. [2018-11-18 16:40:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 16:40:17,589 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:17,589 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:17,590 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:17,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:17,590 INFO L82 PathProgramCache]: Analyzing trace with hash -2100806362, now seen corresponding path program 1 times [2018-11-18 16:40:17,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:17,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:17,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:17,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:17,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:17,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:40:17,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:17,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:40:17,664 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:17,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:40:17,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:40:17,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:40:17,665 INFO L87 Difference]: Start difference. First operand 212 states and 243 transitions. Second operand 7 states. [2018-11-18 16:40:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:18,058 INFO L93 Difference]: Finished difference Result 414 states and 490 transitions. [2018-11-18 16:40:18,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:40:18,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-18 16:40:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:18,062 INFO L225 Difference]: With dead ends: 414 [2018-11-18 16:40:18,062 INFO L226 Difference]: Without dead ends: 230 [2018-11-18 16:40:18,063 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:40:18,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-18 16:40:18,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 211. [2018-11-18 16:40:18,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 16:40:18,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 240 transitions. [2018-11-18 16:40:18,078 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 240 transitions. Word has length 92 [2018-11-18 16:40:18,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:18,079 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 240 transitions. [2018-11-18 16:40:18,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:40:18,079 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 240 transitions. [2018-11-18 16:40:18,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 16:40:18,080 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:18,080 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:18,080 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:18,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:18,081 INFO L82 PathProgramCache]: Analyzing trace with hash 440791243, now seen corresponding path program 1 times [2018-11-18 16:40:18,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:18,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:18,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:18,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:18,145 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:18,145 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:40:18,145 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:18,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:40:18,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:40:18,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:40:18,146 INFO L87 Difference]: Start difference. First operand 211 states and 240 transitions. Second operand 6 states. [2018-11-18 16:40:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:18,170 INFO L93 Difference]: Finished difference Result 399 states and 462 transitions. [2018-11-18 16:40:18,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:40:18,172 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-18 16:40:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:18,174 INFO L225 Difference]: With dead ends: 399 [2018-11-18 16:40:18,174 INFO L226 Difference]: Without dead ends: 216 [2018-11-18 16:40:18,175 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:40:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-18 16:40:18,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2018-11-18 16:40:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-11-18 16:40:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 245 transitions. [2018-11-18 16:40:18,189 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 245 transitions. Word has length 93 [2018-11-18 16:40:18,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:18,189 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 245 transitions. [2018-11-18 16:40:18,189 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:40:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 245 transitions. [2018-11-18 16:40:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 16:40:18,190 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:18,190 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:18,191 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:18,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:18,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1142391117, now seen corresponding path program 1 times [2018-11-18 16:40:18,191 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:18,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:18,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,192 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:18,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:18,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:40:18,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:18,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:40:18,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:40:18,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:40:18,270 INFO L87 Difference]: Start difference. First operand 216 states and 245 transitions. Second operand 8 states. [2018-11-18 16:40:18,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:18,293 INFO L93 Difference]: Finished difference Result 411 states and 479 transitions. [2018-11-18 16:40:18,294 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:40:18,294 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-18 16:40:18,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:18,296 INFO L225 Difference]: With dead ends: 411 [2018-11-18 16:40:18,296 INFO L226 Difference]: Without dead ends: 223 [2018-11-18 16:40:18,296 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:40:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-11-18 16:40:18,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 220. [2018-11-18 16:40:18,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-18 16:40:18,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 249 transitions. [2018-11-18 16:40:18,308 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 249 transitions. Word has length 93 [2018-11-18 16:40:18,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:18,308 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 249 transitions. [2018-11-18 16:40:18,308 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:40:18,308 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 249 transitions. [2018-11-18 16:40:18,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 16:40:18,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:18,309 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:18,309 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:18,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:18,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1427095282, now seen corresponding path program 1 times [2018-11-18 16:40:18,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:18,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:18,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:18,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:18,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:18,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:40:18,376 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:18,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:40:18,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:40:18,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:40:18,377 INFO L87 Difference]: Start difference. First operand 220 states and 249 transitions. Second operand 4 states. [2018-11-18 16:40:18,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:18,538 INFO L93 Difference]: Finished difference Result 640 states and 761 transitions. [2018-11-18 16:40:18,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:40:18,538 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-18 16:40:18,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:18,541 INFO L225 Difference]: With dead ends: 640 [2018-11-18 16:40:18,541 INFO L226 Difference]: Without dead ends: 448 [2018-11-18 16:40:18,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:40:18,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-11-18 16:40:18,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 439. [2018-11-18 16:40:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-18 16:40:18,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 511 transitions. [2018-11-18 16:40:18,564 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 511 transitions. Word has length 93 [2018-11-18 16:40:18,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:18,564 INFO L480 AbstractCegarLoop]: Abstraction has 439 states and 511 transitions. [2018-11-18 16:40:18,564 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:40:18,564 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 511 transitions. [2018-11-18 16:40:18,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:40:18,565 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:18,566 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:18,566 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:18,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:18,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1175754104, now seen corresponding path program 1 times [2018-11-18 16:40:18,566 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:18,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:18,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:18,567 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:18,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:40:18,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:18,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:40:18,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:18,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:40:18,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:40:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:40:18,678 INFO L87 Difference]: Start difference. First operand 439 states and 511 transitions. Second operand 9 states. [2018-11-18 16:40:19,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:19,391 INFO L93 Difference]: Finished difference Result 1146 states and 1399 transitions. [2018-11-18 16:40:19,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:40:19,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-11-18 16:40:19,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:19,400 INFO L225 Difference]: With dead ends: 1146 [2018-11-18 16:40:19,401 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 16:40:19,402 INFO L604 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 [2018-11-18 16:40:19,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 16:40:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 731. [2018-11-18 16:40:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2018-11-18 16:40:19,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 841 transitions. [2018-11-18 16:40:19,449 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 841 transitions. Word has length 97 [2018-11-18 16:40:19,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:19,449 INFO L480 AbstractCegarLoop]: Abstraction has 731 states and 841 transitions. [2018-11-18 16:40:19,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:40:19,449 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 841 transitions. [2018-11-18 16:40:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 16:40:19,451 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:19,451 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:19,452 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:19,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:19,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1736743994, now seen corresponding path program 1 times [2018-11-18 16:40:19,452 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:19,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:19,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:19,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:19,453 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:40:19,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:19,577 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:40:19,578 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-18 16:40:19,580 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [110], [112], [118], [120], [123], [138], [139], [140], [141], [142], [144], [149], [151], [152], [153], [154], [165], [168], [172], [178], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [270], [271], [272], [273], [276], [277], [278], [279], [280], [281], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [304], [306], [307], [308], [309], [312], [313] [2018-11-18 16:40:19,610 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:40:19,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:40:21,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:40:21,123 INFO L272 AbstractInterpreter]: Visited 124 different actions 521 times. Merged at 16 different actions 44 times. Never widened. Performed 18265 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18265 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-18 16:40:21,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:21,135 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:40:21,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:21,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:40:21,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:21,142 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:40:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:21,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:40:21,395 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:40:21,396 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:40:21,686 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:40:21,704 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:40:21,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 16:40:21,704 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:40:21,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 16:40:21,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 16:40:21,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:40:21,705 INFO L87 Difference]: Start difference. First operand 731 states and 841 transitions. Second operand 16 states. [2018-11-18 16:40:22,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:22,394 INFO L93 Difference]: Finished difference Result 1639 states and 1966 transitions. [2018-11-18 16:40:22,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 16:40:22,394 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2018-11-18 16:40:22,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:22,397 INFO L225 Difference]: With dead ends: 1639 [2018-11-18 16:40:22,397 INFO L226 Difference]: Without dead ends: 1003 [2018-11-18 16:40:22,399 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 306 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 16:40:22,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1003 states. [2018-11-18 16:40:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1003 to 882. [2018-11-18 16:40:22,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 882 states. [2018-11-18 16:40:22,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 882 states and 1026 transitions. [2018-11-18 16:40:22,435 INFO L78 Accepts]: Start accepts. Automaton has 882 states and 1026 transitions. Word has length 157 [2018-11-18 16:40:22,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:22,435 INFO L480 AbstractCegarLoop]: Abstraction has 882 states and 1026 transitions. [2018-11-18 16:40:22,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 16:40:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states and 1026 transitions. [2018-11-18 16:40:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-18 16:40:22,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:22,439 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:22,439 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:22,440 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:22,440 INFO L82 PathProgramCache]: Analyzing trace with hash 390992519, now seen corresponding path program 1 times [2018-11-18 16:40:22,440 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:22,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:22,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:22,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:22,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2018-11-18 16:40:22,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:22,547 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:40:22,547 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-11-18 16:40:22,548 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [110], [112], [118], [120], [123], [138], [139], [140], [141], [142], [144], [149], [151], [152], [153], [154], [165], [168], [172], [178], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [242], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [304], [306], [307], [308], [309], [312], [313] [2018-11-18 16:40:22,551 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:40:22,551 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:40:23,466 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:40:23,466 INFO L272 AbstractInterpreter]: Visited 126 different actions 655 times. Merged at 18 different actions 55 times. Never widened. Performed 23640 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23640 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-18 16:40:23,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:23,478 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:40:23,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:23,478 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:40:23,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:23,484 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:40:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:23,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:40:23,730 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 203 proven. 5 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-18 16:40:23,730 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:40:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 79 proven. 34 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2018-11-18 16:40:24,202 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:40:24,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-18 16:40:24,202 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:40:24,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 16:40:24,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 16:40:24,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-11-18 16:40:24,203 INFO L87 Difference]: Start difference. First operand 882 states and 1026 transitions. Second operand 19 states. [2018-11-18 16:40:27,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:27,348 INFO L93 Difference]: Finished difference Result 3254 states and 4553 transitions. [2018-11-18 16:40:27,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-18 16:40:27,349 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 277 [2018-11-18 16:40:27,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:27,358 INFO L225 Difference]: With dead ends: 3254 [2018-11-18 16:40:27,358 INFO L226 Difference]: Without dead ends: 2409 [2018-11-18 16:40:27,362 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 546 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=760, Invalid=3932, Unknown=0, NotChecked=0, Total=4692 [2018-11-18 16:40:27,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2409 states. [2018-11-18 16:40:27,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2409 to 1659. [2018-11-18 16:40:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2018-11-18 16:40:27,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 1866 transitions. [2018-11-18 16:40:27,450 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 1866 transitions. Word has length 277 [2018-11-18 16:40:27,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:27,450 INFO L480 AbstractCegarLoop]: Abstraction has 1659 states and 1866 transitions. [2018-11-18 16:40:27,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 16:40:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1866 transitions. [2018-11-18 16:40:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-11-18 16:40:27,454 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:27,455 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:27,455 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:27,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 845934635, now seen corresponding path program 1 times [2018-11-18 16:40:27,455 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:27,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:27,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:27,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:27,456 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:27,652 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 98 proven. 53 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 16:40:27,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:27,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:40:27,653 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 294 with the following transitions: [2018-11-18 16:40:27,653 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [110], [112], [115], [118], [120], [123], [138], [139], [140], [141], [142], [144], [149], [151], [152], [153], [154], [159], [161], [165], [168], [172], [178], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [304], [306], [307], [308], [309], [312], [313] [2018-11-18 16:40:27,656 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:40:27,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:40:29,055 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:40:29,055 INFO L272 AbstractInterpreter]: Visited 135 different actions 1113 times. Merged at 24 different actions 129 times. Never widened. Performed 41726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 41726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 36 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 16:40:29,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:29,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:40:29,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:29,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/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 [2018-11-18 16:40:29,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:29,064 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:40:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:29,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:40:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 238 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 16:40:29,307 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:40:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 314 backedges. 98 proven. 53 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 16:40:29,750 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:40:29,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-11-18 16:40:29,750 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:40:29,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 16:40:29,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 16:40:29,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:40:29,751 INFO L87 Difference]: Start difference. First operand 1659 states and 1866 transitions. Second operand 20 states. [2018-11-18 16:40:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:30,629 INFO L93 Difference]: Finished difference Result 3131 states and 3540 transitions. [2018-11-18 16:40:30,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:40:30,633 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 293 [2018-11-18 16:40:30,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:30,639 INFO L225 Difference]: With dead ends: 3131 [2018-11-18 16:40:30,639 INFO L226 Difference]: Without dead ends: 1663 [2018-11-18 16:40:30,643 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 619 GetRequests, 581 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-11-18 16:40:30,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2018-11-18 16:40:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1659. [2018-11-18 16:40:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2018-11-18 16:40:30,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 1861 transitions. [2018-11-18 16:40:30,743 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 1861 transitions. Word has length 293 [2018-11-18 16:40:30,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:30,743 INFO L480 AbstractCegarLoop]: Abstraction has 1659 states and 1861 transitions. [2018-11-18 16:40:30,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 16:40:30,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 1861 transitions. [2018-11-18 16:40:30,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-11-18 16:40:30,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:30,749 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:40:30,749 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:30,749 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:30,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1047068280, now seen corresponding path program 1 times [2018-11-18 16:40:30,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:30,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:30,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:30,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:30,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:30,959 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 95 proven. 46 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-18 16:40:30,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:30,959 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:40:30,959 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 295 with the following transitions: [2018-11-18 16:40:30,959 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [59], [60], [63], [65], [68], [71], [75], [78], [79], [83], [84], [85], [86], [90], [96], [100], [104], [107], [110], [112], [115], [118], [120], [123], [138], [139], [140], [141], [142], [144], [149], [151], [152], [153], [154], [159], [161], [165], [168], [172], [178], [206], [207], [210], [214], [215], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [249], [250], [251], [252], [253], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [302], [303], [304], [306], [307], [308], [309], [312], [313] [2018-11-18 16:40:30,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:40:30,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:40:32,545 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:40:32,545 INFO L272 AbstractInterpreter]: Visited 136 different actions 1139 times. Merged at 25 different actions 154 times. Never widened. Performed 41665 root evaluator evaluations with a maximum evaluation depth of 3. Performed 41665 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 51 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-18 16:40:32,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:32,550 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:40:32,550 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:40:32,550 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/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 [2018-11-18 16:40:32,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:32,557 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:40:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:32,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:40:32,728 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 166 proven. 17 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 16:40:32,728 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:40:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 98 proven. 28 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-18 16:40:33,143 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:40:33,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-11-18 16:40:33,143 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:40:33,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 16:40:33,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 16:40:33,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-11-18 16:40:33,144 INFO L87 Difference]: Start difference. First operand 1659 states and 1861 transitions. Second operand 14 states. [2018-11-18 16:40:34,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:34,260 INFO L93 Difference]: Finished difference Result 3575 states and 4343 transitions. [2018-11-18 16:40:34,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 16:40:34,261 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 294 [2018-11-18 16:40:34,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:34,270 INFO L225 Difference]: With dead ends: 3575 [2018-11-18 16:40:34,271 INFO L226 Difference]: Without dead ends: 2647 [2018-11-18 16:40:34,273 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 639 GetRequests, 581 SyntacticMatches, 21 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 394 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-11-18 16:40:34,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2018-11-18 16:40:34,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2037. [2018-11-18 16:40:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2037 states. [2018-11-18 16:40:34,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2037 states to 2037 states and 2291 transitions. [2018-11-18 16:40:34,422 INFO L78 Accepts]: Start accepts. Automaton has 2037 states and 2291 transitions. Word has length 294 [2018-11-18 16:40:34,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:34,423 INFO L480 AbstractCegarLoop]: Abstraction has 2037 states and 2291 transitions. [2018-11-18 16:40:34,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 16:40:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2291 transitions. [2018-11-18 16:40:34,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2018-11-18 16:40:34,431 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:40:34,431 INFO L375 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, 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, 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] [2018-11-18 16:40:34,431 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:40:34,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:40:34,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1095363634, now seen corresponding path program 1 times [2018-11-18 16:40:34,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:40:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:34,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:40:34,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:40:34,432 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:40:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:40:34,611 INFO L134 CoverageAnalysis]: Checked inductivity of 553 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2018-11-18 16:40:34,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:40:34,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:40:34,611 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:40:34,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:40:34,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:40:34,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:40:34,612 INFO L87 Difference]: Start difference. First operand 2037 states and 2291 transitions. Second operand 8 states. [2018-11-18 16:40:34,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:40:34,960 INFO L93 Difference]: Finished difference Result 3362 states and 3825 transitions. [2018-11-18 16:40:34,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:40:34,960 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 363 [2018-11-18 16:40:34,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:40:34,962 INFO L225 Difference]: With dead ends: 3362 [2018-11-18 16:40:34,962 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:40:34,967 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:40:34,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:40:34,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:40:34,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:40:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:40:34,968 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2018-11-18 16:40:34,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:40:34,969 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:40:34,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:40:34,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:40:34,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:40:34,973 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:40:35,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:35,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,066 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 115 [2018-11-18 16:40:36,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,514 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 148 [2018-11-18 16:40:36,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:36,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:40:37,046 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 26 [2018-11-18 16:40:37,360 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 33 [2018-11-18 16:40:37,506 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2018-11-18 16:40:37,809 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 44 [2018-11-18 16:40:37,983 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 31 [2018-11-18 16:40:39,027 WARN L180 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 187 DAG size of output: 71 [2018-11-18 16:40:39,752 WARN L180 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 53 [2018-11-18 16:40:40,023 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 1 [2018-11-18 16:40:40,364 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 48 [2018-11-18 16:40:40,572 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 33 [2018-11-18 16:40:40,837 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 41 [2018-11-18 16:40:41,036 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2018-11-18 16:40:41,505 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 36 [2018-11-18 16:40:41,672 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-11-18 16:40:41,829 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2018-11-18 16:40:41,977 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 18 [2018-11-18 16:40:42,305 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 38 [2018-11-18 16:40:42,475 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 26 [2018-11-18 16:40:42,794 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 43 [2018-11-18 16:40:43,541 WARN L180 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 64 [2018-11-18 16:40:43,781 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 47 [2018-11-18 16:40:43,996 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2018-11-18 16:40:44,280 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2018-11-18 16:40:44,280 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2018-11-18 16:40:44,280 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2018-11-18 16:40:44,280 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2018-11-18 16:40:44,280 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2018-11-18 16:40:44,280 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) 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)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 16:40:44,280 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 16:40:44,280 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (<= 1 ~switchedOnBeforeTS~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse5 .cse0 .cse2) (or .cse6 .cse1) (< 2 ~waterLevel~0)) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse3 (not (= ~waterLevel~0 1)) .cse1) (or .cse5 .cse4 .cse0 .cse2 .cse6))) [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~waterLevel~0 2)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (and .cse3 .cse2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (< ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse5 .cse1) (or .cse6 .cse0 .cse1 .cse7 (not .cse5)) (or .cse4 .cse6 .cse1 .cse7)))) [2018-11-18 16:40:44,281 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L421 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse8 (< 1 ~waterLevel~0)) (.cse2 (not (= ~waterLevel~0 2)))) (let ((.cse4 (and .cse8 .cse2)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse6 .cse5 (not .cse7)) (or .cse3 .cse1 .cse5 .cse2) (or (< ~switchedOnBeforeTS~0 1) .cse8 .cse3 .cse7 .cse1 .cse6)))) [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-18 16:40:44,281 INFO L425 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,282 INFO L421 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,282 INFO L421 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L425 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-11-18 16:40:44,282 INFO L421 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,282 INFO L421 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,283 INFO L421 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2018-11-18 16:40:44,283 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,283 INFO L428 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2018-11-18 16:40:44,283 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2018-11-18 16:40:44,283 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~waterLevel~0 1))))) [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L421 ceAbstractionStarter]: At program point L384(line 384) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1 .cse2) (or (< 0 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2) (or (< 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2018-11-18 16:40:44,284 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse0 .cse1 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L421 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L425 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2018-11-18 16:40:44,284 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse4 .cse0 .cse2 .cse3)) (or .cse1 .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2018-11-18 16:40:44,285 INFO L421 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2018-11-18 16:40:44,285 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,285 INFO L421 ceAbstractionStarter]: At program point L543(lines 496 544) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2018-11-18 16:40:44,285 INFO L421 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse3 (<= ~waterLevel~0 2)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~systemActive~0 1)) (and (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse0) (= ~pumpRunning~0 1)) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse0) (and (or (and .cse3 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (<= 1 ~switchedOnBeforeTS~0) .cse3 .cse0)) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:40:44,286 INFO L425 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2018-11-18 16:40:44,286 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2018-11-18 16:40:44,286 INFO L421 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (<= ~waterLevel~0 1) .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and (and .cse3 .cse4 .cse0) .cse5) (and .cse3 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse0) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse0) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~waterLevel~0 2) .cse5 .cse0))) [2018-11-18 16:40:44,286 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-11-18 16:40:44,286 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2018-11-18 16:40:44,287 INFO L421 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 1)) (.cse5 (= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (and (= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse3) .cse1 .cse2) (and .cse6 (and (= 0 ~methaneLevelCritical~0) (and (not (= ~switchedOnBeforeTS~0 0)) .cse3) .cse0)) (and .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:40:44,287 INFO L421 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 2)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~pumpRunning~0) .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse6 .cse3) (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3) (and .cse7 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (or (and .cse7 .cse0 .cse6 .cse3 .cse4) (and .cse7 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse6 .cse3) .cse0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:40:44,287 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-18 16:40:44,287 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-18 16:40:44,287 INFO L425 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-11-18 16:40:44,287 INFO L425 ceAbstractionStarter]: For program point L497-1(lines 497 542) no Hoare annotation was computed. [2018-11-18 16:40:44,287 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 395 402) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L428 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-11-18 16:40:44,288 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-11-18 16:40:44,288 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2)))) (let ((.cse0 (or .cse3 .cse4 .cse9)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse10 (< 2 ~waterLevel~0))) (and (or (or .cse0 .cse1) .cse2) (or (< 1 ~waterLevel~0) .cse3 .cse2 .cse4 .cse5 .cse1) (or .cse6 (or .cse7 .cse0)) (or .cse7 .cse8 .cse4 .cse6 .cse9) (or .cse2 (or .cse10 (or .cse8 .cse4) .cse1)) (or .cse3 .cse4 .cse2 (not (= ~waterLevel~0 1)) .cse1) (or .cse6 (and (or .cse3 .cse7 .cse10 .cse4 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse3 .cse7 .cse10 .cse4)))))) [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L421 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 2 ~waterLevel~0) (<= ~waterLevel~0 2) .cse3 .cse4) .cse5 .cse1 .cse2) (or .cse6 (or .cse5 .cse1) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (< 2 |old(~waterLevel~0)|) .cse1) (or .cse0 .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L425 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2018-11-18 16:40:44,289 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse13 (and .cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse12 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 0)) (.cse11 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse14 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse4 .cse1 .cse2) (or (and (or .cse6 .cse1 .cse2) (or .cse7 .cse6 .cse1)) (and (or .cse8 .cse4) .cse9 .cse10 .cse11) .cse12) (or .cse13 .cse6 .cse1 .cse3) (or .cse13 (or .cse12 (or .cse0 .cse1))) (or .cse7 .cse5 .cse6 .cse1 .cse8) (or .cse6 .cse4 .cse1 .cse2 .cse14) (or (and .cse9 .cse10 .cse11) (or .cse6 .cse1 .cse14))))) [2018-11-18 16:40:44,290 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2018-11-18 16:40:44,290 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2018-11-18 16:40:44,291 INFO L421 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse16 (= ~systemActive~0 1))) (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not .cse16)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (< 2 |old(~waterLevel~0)|)) (.cse15 (not .cse17)) (.cse8 (<= ~waterLevel~0 0)) (.cse14 (or .cse13 .cse2)) (.cse12 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (and .cse12 .cse9 .cse10)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (or .cse17 .cse14)) (.cse6 (and .cse15 .cse16 (= ~pumpRunning~0 1) .cse12 .cse8 .cse9 .cse10)) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse11 (or .cse7 .cse14 .cse15)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6) (or .cse1 .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and (or .cse1 .cse7 .cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse1 .cse7 .cse2))) (or (< 1 |old(~waterLevel~0)|) (and .cse8 .cse9 .cse10) .cse11) (or .cse5 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse9 .cse10) .cse7 .cse6) (or .cse4 .cse11 .cse12) (or (or (or .cse2 .cse3) .cse13) (and (= 1 ~waterLevel~0) .cse9 .cse10))))))) [2018-11-18 16:40:44,292 INFO L421 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (< 2 |old(~waterLevel~0)|)) (.cse12 (not .cse7)) (.cse20 (or .cse8 .cse4)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (and .cse0 .cse13 .cse14)) (.cse6 (or .cse4 .cse5)) (.cse11 (= 1 ~waterLevel~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse10 (= 0 ~pumpRunning~0)) (.cse16 (or .cse7 .cse20)) (.cse15 (< 1 |old(~waterLevel~0)|)) (.cse17 (<= ~waterLevel~0 0)) (.cse18 (< 0 |old(~waterLevel~0)|)) (.cse19 (or .cse3 .cse20 .cse12))) (and (or (and (= ~waterLevel~0 2) .cse0) .cse1 (and (or .cse2 .cse3 .cse4 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse2 .cse3 .cse4))) (or (and (= ~pumpRunning~0 1) .cse0) .cse1 (or .cse2 .cse4 .cse5)) (or (or (or .cse6 .cse7) .cse8) (and .cse9 .cse10 .cse11)) (or .cse2 .cse1 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse6 .cse12) .cse8) (and .cse11 .cse13 .cse14)) (or .cse15 .cse16 (and .cse9 .cse10 .cse17)) (or .cse18 .cse16 .cse0) (or .cse15 (and .cse17 .cse13 .cse14) .cse19) (or .cse18 .cse19 .cse0))))) [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 204 218) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point L204-3(lines 204 218) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (not (= ~systemActive~0 1)) (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (not (= 1 ~pumpRunning~0))) [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 16:40:44,292 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 16:40:44,293 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse0 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse0 (or .cse1 .cse4 .cse2 .cse3)))) [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L421 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse3 .cse4 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse4 (or .cse0 .cse3 .cse1 .cse2)))) [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2018-11-18 16:40:44,293 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2018-11-18 16:40:44,294 INFO L421 ceAbstractionStarter]: At program point L363(line 363) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1))) [2018-11-18 16:40:44,294 INFO L425 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2018-11-18 16:40:44,294 INFO L421 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse4 .cse2 .cse0 .cse3 .cse1) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 16:40:44,294 INFO L421 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))))) [2018-11-18 16:40:44,294 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 16:40:44,294 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 16:40:44,294 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (or .cse0 .cse1))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or .cse2 (or (< ~switchedOnBeforeTS~0 1) .cse3 .cse4 .cse5)) (or .cse1 .cse6 .cse2 .cse7) (or .cse3 (or (= 0 ~switchedOnBeforeTS~0) .cse1) .cse6 (not .cse4) .cse2) (or .cse2 (and .cse3 .cse7) .cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))))) [2018-11-18 16:40:44,294 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2018-11-18 16:40:44,294 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2018-11-18 16:40:44,294 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-11-18 16:40:44,295 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2018-11-18 16:40:44,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:40:44 BoogieIcfgContainer [2018-11-18 16:40:44,306 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:40:44,306 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:40:44,307 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:40:44,307 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:40:44,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:40:16" (3/4) ... [2018-11-18 16:40:44,310 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:40:44,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:40:44,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:40:44,315 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:40:44,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:40:44,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:40:44,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:40:44,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:40:44,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 16:40:44,325 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:40:44,325 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:40:44,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:40:44,350 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:40:44,384 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90eb187e-5785-4f99-b3c3-e234238657f7/bin-2019/utaipan/witness.graphml [2018-11-18 16:40:44,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:40:44,384 INFO L168 Benchmark]: Toolchain (without parser) took 29172.38 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 956.6 MB in the beginning and 1.7 GB in the end (delta: -700.0 MB). Peak memory consumption was 867.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,385 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:40:44,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,385 INFO L168 Benchmark]: Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,386 INFO L168 Benchmark]: RCFGBuilder took 480.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,386 INFO L168 Benchmark]: TraceAbstraction took 28195.87 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -602.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 16:40:44,386 INFO L168 Benchmark]: Witness Printer took 77.32 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:40:44,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 480.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28195.87 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -602.5 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 77.32 ms. Allocated memory is still 2.6 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 299]: 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: 496]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 194]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 497]: Loop Invariant Derived loop invariant: ((((((((((((waterLevel <= 1 && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || (((waterLevel == 2 && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 28.1s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 9.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2851 SDtfs, 4370 SDslu, 8412 SDs, 0 SdLazy, 10690 SolverSat, 2622 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2340 GetRequests, 2061 SyntacticMatches, 42 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1867 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2037occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1608 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3433 PreInvPairs, 3689 NumberOfFragments, 2956 HoareAnnotationTreeSize, 3433 FomulaSimplifications, 110183 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 61 FomulaSimplificationsInter, 103069 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 3136 NumberOfCodeBlocks, 3136 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4135 ConstructedInterpolants, 0 QuantifiedInterpolants, 1661446 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4171 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 3129/3412 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...