./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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-aa41828 [2018-11-23 05:17:22,505 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:17:22,506 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:17:22,513 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:17:22,513 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:17:22,514 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:17:22,515 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:17:22,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:17:22,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:17:22,517 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:17:22,518 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:17:22,518 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:17:22,519 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:17:22,519 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:17:22,520 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:17:22,521 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:17:22,521 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:17:22,523 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:17:22,524 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:17:22,525 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:17:22,526 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:17:22,527 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:17:22,528 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:17:22,528 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:17:22,529 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:17:22,529 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:17:22,530 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:17:22,530 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:17:22,531 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:17:22,532 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:17:22,532 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:17:22,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:17:22,533 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:17:22,533 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:17:22,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:17:22,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:17:22,534 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:17:22,544 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:17:22,544 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:17:22,545 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:17:22,545 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:17:22,545 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:17:22,545 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:17:22,545 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:17:22,545 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:17:22,546 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:17:22,546 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:17:22,547 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:17:22,548 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:17:22,548 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:17:22,548 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:17:22,549 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:17:22,549 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:17:22,549 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:17:22,549 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:17:22,549 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_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:22,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:17:22,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:17:22,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:17:22,580 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:17:22,580 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:17:22,581 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-23 05:17:22,616 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/data/4f3ba8f9e/9c4efc03924a4476b7415da784c5362c/FLAG378fbe70e [2018-11-23 05:17:23,044 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:17:23,045 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/sv-benchmarks/c/product-lines/minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-23 05:17:23,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/data/4f3ba8f9e/9c4efc03924a4476b7415da784c5362c/FLAG378fbe70e [2018-11-23 05:17:23,060 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/data/4f3ba8f9e/9c4efc03924a4476b7415da784c5362c [2018-11-23 05:17:23,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:17:23,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:17:23,063 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:17:23,063 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:17:23,065 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:17:23,066 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23, skipping insertion in model container [2018-11-23 05:17:23,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,076 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:17:23,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:17:23,294 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:17:23,303 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:17:23,400 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:17:23,423 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:17:23,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23 WrapperNode [2018-11-23 05:17:23,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:17:23,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:17:23,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:17:23,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:17:23,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:17:23,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:17:23,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:17:23,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:17:23,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... [2018-11-23 05:17:23,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:17:23,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:17:23,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:17:23,472 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:17:23,473 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:17:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:17:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:17:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:17:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:17:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:17:23,518 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:17:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:17:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:17:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 05:17:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 05:17:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:17:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:17:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:17:23,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:17:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 05:17:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 05:17:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 05:17:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 05:17:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 05:17:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 05:17:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:17:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:17:23,520 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:17:23,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:17:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 05:17:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 05:17:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:17:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:17:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:17:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:17:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:17:23,521 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:17:23,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:17:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:17:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:17:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:17:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:17:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:17:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:17:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:17:23,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:17:23,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:17:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:17:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:17:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:17:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:17:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:17:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:17:23,523 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:17:23,523 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:17:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:17:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:17:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:17:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:17:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:17:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:17:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:17:23,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:17:23,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:17:23,902 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:17:23,902 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:17:23,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:23 BoogieIcfgContainer [2018-11-23 05:17:23,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:17:23,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:17:23,904 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:17:23,907 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:17:23,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:17:23" (1/3) ... [2018-11-23 05:17:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d9c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:23, skipping insertion in model container [2018-11-23 05:17:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:17:23" (2/3) ... [2018-11-23 05:17:23,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375d9c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:17:23, skipping insertion in model container [2018-11-23 05:17:23,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:23" (3/3) ... [2018-11-23 05:17:23,910 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product37_true-unreach-call_false-termination.cil.c [2018-11-23 05:17:23,918 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:17:23,924 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:17:23,938 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:17:23,965 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:17:23,965 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:17:23,965 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:17:23,965 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:17:23,965 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:17:23,965 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:17:23,966 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:17:23,966 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:17:23,983 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-23 05:17:23,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 05:17:23,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:23,991 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:23,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:23,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:23,998 INFO L82 PathProgramCache]: Analyzing trace with hash 343582345, now seen corresponding path program 1 times [2018-11-23 05:17:24,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:24,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:24,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:24,207 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:24,209 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:24,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:17:24,209 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:24,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:17:24,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:17:24,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:17:24,227 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-23 05:17:24,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:24,257 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-11-23 05:17:24,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:17:24,258 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 05:17:24,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:24,269 INFO L225 Difference]: With dead ends: 268 [2018-11-23 05:17:24,269 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 05:17:24,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:17:24,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 05:17:24,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-23 05:17:24,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 05:17:24,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 159 transitions. [2018-11-23 05:17:24,318 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 159 transitions. Word has length 59 [2018-11-23 05:17:24,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:24,319 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 159 transitions. [2018-11-23 05:17:24,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:17:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 159 transitions. [2018-11-23 05:17:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 05:17:24,321 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:24,321 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:24,321 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:24,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:24,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1908109699, now seen corresponding path program 1 times [2018-11-23 05:17:24,322 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:24,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:24,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,323 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:24,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:24,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:17:24,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:24,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:17:24,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:17:24,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:17:24,500 INFO L87 Difference]: Start difference. First operand 136 states and 159 transitions. Second operand 7 states. [2018-11-23 05:17:24,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:24,713 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2018-11-23 05:17:24,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:17:24,714 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 05:17:24,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:24,715 INFO L225 Difference]: With dead ends: 244 [2018-11-23 05:17:24,716 INFO L226 Difference]: Without dead ends: 136 [2018-11-23 05:17:24,717 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:17:24,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-23 05:17:24,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-23 05:17:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-23 05:17:24,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-11-23 05:17:24,730 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 64 [2018-11-23 05:17:24,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:24,732 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-11-23 05:17:24,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:17:24,732 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-11-23 05:17:24,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-11-23 05:17:24,734 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:24,734 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:24,735 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:24,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:24,735 INFO L82 PathProgramCache]: Analyzing trace with hash 436251940, now seen corresponding path program 1 times [2018-11-23 05:17:24,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:24,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:24,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,736 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:24,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:24,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:17:24,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:24,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:17:24,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:17:24,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:17:24,792 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 3 states. [2018-11-23 05:17:24,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:24,804 INFO L93 Difference]: Finished difference Result 217 states and 251 transitions. [2018-11-23 05:17:24,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:17:24,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2018-11-23 05:17:24,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:24,806 INFO L225 Difference]: With dead ends: 217 [2018-11-23 05:17:24,806 INFO L226 Difference]: Without dead ends: 127 [2018-11-23 05:17:24,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:17:24,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-11-23 05:17:24,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-11-23 05:17:24,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-11-23 05:17:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 146 transitions. [2018-11-23 05:17:24,817 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 146 transitions. Word has length 73 [2018-11-23 05:17:24,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:24,818 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 146 transitions. [2018-11-23 05:17:24,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:17:24,818 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 146 transitions. [2018-11-23 05:17:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 05:17:24,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:24,820 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:24,820 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:24,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:24,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1156819935, now seen corresponding path program 1 times [2018-11-23 05:17:24,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:24,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:24,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:24,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:24,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:24,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:24,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 05:17:24,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:24,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 05:17:24,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 05:17:24,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 05:17:24,916 INFO L87 Difference]: Start difference. First operand 127 states and 146 transitions. Second operand 5 states. [2018-11-23 05:17:25,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:25,236 INFO L93 Difference]: Finished difference Result 327 states and 395 transitions. [2018-11-23 05:17:25,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:17:25,237 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-23 05:17:25,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:25,238 INFO L225 Difference]: With dead ends: 327 [2018-11-23 05:17:25,238 INFO L226 Difference]: Without dead ends: 228 [2018-11-23 05:17:25,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:17:25,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-23 05:17:25,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2018-11-23 05:17:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-23 05:17:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 241 transitions. [2018-11-23 05:17:25,260 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 241 transitions. Word has length 77 [2018-11-23 05:17:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:25,261 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 241 transitions. [2018-11-23 05:17:25,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 05:17:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 241 transitions. [2018-11-23 05:17:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 05:17:25,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:25,263 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:25,263 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:25,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash -868280581, now seen corresponding path program 1 times [2018-11-23 05:17:25,264 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:25,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:25,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,265 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:25,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:17:25,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:25,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:17:25,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:25,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:17:25,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:17:25,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:17:25,353 INFO L87 Difference]: Start difference. First operand 210 states and 241 transitions. Second operand 7 states. [2018-11-23 05:17:25,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:25,679 INFO L93 Difference]: Finished difference Result 409 states and 485 transitions. [2018-11-23 05:17:25,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 05:17:25,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-23 05:17:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:25,683 INFO L225 Difference]: With dead ends: 409 [2018-11-23 05:17:25,683 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 05:17:25,684 INFO L631 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 [2018-11-23 05:17:25,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 05:17:25,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-11-23 05:17:25,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-23 05:17:25,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-11-23 05:17:25,702 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 91 [2018-11-23 05:17:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:25,704 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-11-23 05:17:25,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:17:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-11-23 05:17:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 05:17:25,706 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:25,706 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:25,706 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:25,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:25,706 INFO L82 PathProgramCache]: Analyzing trace with hash -412314374, now seen corresponding path program 1 times [2018-11-23 05:17:25,706 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:25,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:25,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,707 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:25,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:25,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:25,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:25,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:17:25,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:25,761 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:17:25,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:17:25,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:17:25,761 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-11-23 05:17:25,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:25,796 INFO L93 Difference]: Finished difference Result 395 states and 458 transitions. [2018-11-23 05:17:25,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:17:25,797 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2018-11-23 05:17:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:25,798 INFO L225 Difference]: With dead ends: 395 [2018-11-23 05:17:25,799 INFO L226 Difference]: Without dead ends: 214 [2018-11-23 05:17:25,799 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:17:25,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-23 05:17:25,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2018-11-23 05:17:25,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2018-11-23 05:17:25,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 243 transitions. [2018-11-23 05:17:25,811 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 243 transitions. Word has length 92 [2018-11-23 05:17:25,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:25,811 INFO L480 AbstractCegarLoop]: Abstraction has 214 states and 243 transitions. [2018-11-23 05:17:25,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:17:25,811 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 243 transitions. [2018-11-23 05:17:25,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 05:17:25,812 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:25,812 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:25,812 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:25,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:25,813 INFO L82 PathProgramCache]: Analyzing trace with hash 289285500, now seen corresponding path program 1 times [2018-11-23 05:17:25,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:25,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:25,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:25,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:25,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:25,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 05:17:25,886 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:25,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:17:25,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:17:25,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:17:25,887 INFO L87 Difference]: Start difference. First operand 214 states and 243 transitions. Second operand 8 states. [2018-11-23 05:17:25,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:25,909 INFO L93 Difference]: Finished difference Result 407 states and 475 transitions. [2018-11-23 05:17:25,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:17:25,910 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-11-23 05:17:25,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:25,911 INFO L225 Difference]: With dead ends: 407 [2018-11-23 05:17:25,911 INFO L226 Difference]: Without dead ends: 221 [2018-11-23 05:17:25,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:17:25,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-11-23 05:17:25,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 218. [2018-11-23 05:17:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2018-11-23 05:17:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 247 transitions. [2018-11-23 05:17:25,926 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 247 transitions. Word has length 92 [2018-11-23 05:17:25,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:25,926 INFO L480 AbstractCegarLoop]: Abstraction has 218 states and 247 transitions. [2018-11-23 05:17:25,926 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:17:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 247 transitions. [2018-11-23 05:17:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 05:17:25,927 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:25,928 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:25,928 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:25,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:25,929 INFO L82 PathProgramCache]: Analyzing trace with hash 2014766397, now seen corresponding path program 1 times [2018-11-23 05:17:25,929 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:25,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:25,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:25,930 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:26,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:26,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:26,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:17:26,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:26,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:17:26,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:17:26,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:17:26,005 INFO L87 Difference]: Start difference. First operand 218 states and 247 transitions. Second operand 4 states. [2018-11-23 05:17:26,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:26,120 INFO L93 Difference]: Finished difference Result 633 states and 754 transitions. [2018-11-23 05:17:26,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:17:26,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2018-11-23 05:17:26,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:26,123 INFO L225 Difference]: With dead ends: 633 [2018-11-23 05:17:26,123 INFO L226 Difference]: Without dead ends: 443 [2018-11-23 05:17:26,124 INFO L631 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 [2018-11-23 05:17:26,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-11-23 05:17:26,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 434. [2018-11-23 05:17:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-11-23 05:17:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 506 transitions. [2018-11-23 05:17:26,166 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 506 transitions. Word has length 92 [2018-11-23 05:17:26,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:26,167 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 506 transitions. [2018-11-23 05:17:26,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:17:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 506 transitions. [2018-11-23 05:17:26,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 05:17:26,169 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:26,170 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:26,170 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:26,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:26,170 INFO L82 PathProgramCache]: Analyzing trace with hash 33539639, now seen corresponding path program 1 times [2018-11-23 05:17:26,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:26,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:26,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:26,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:26,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:17:26,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:26,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 05:17:26,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:26,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:17:26,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:17:26,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 05:17:26,286 INFO L87 Difference]: Start difference. First operand 434 states and 506 transitions. Second operand 9 states. [2018-11-23 05:17:26,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:26,779 INFO L93 Difference]: Finished difference Result 1133 states and 1386 transitions. [2018-11-23 05:17:26,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 05:17:26,781 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2018-11-23 05:17:26,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:26,784 INFO L225 Difference]: With dead ends: 1133 [2018-11-23 05:17:26,784 INFO L226 Difference]: Without dead ends: 795 [2018-11-23 05:17:26,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:17:26,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-11-23 05:17:26,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 722. [2018-11-23 05:17:26,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2018-11-23 05:17:26,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 832 transitions. [2018-11-23 05:17:26,817 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 832 transitions. Word has length 96 [2018-11-23 05:17:26,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:26,817 INFO L480 AbstractCegarLoop]: Abstraction has 722 states and 832 transitions. [2018-11-23 05:17:26,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:17:26,818 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 832 transitions. [2018-11-23 05:17:26,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 05:17:26,819 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:26,819 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:26,820 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:26,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:26,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1455453004, now seen corresponding path program 1 times [2018-11-23 05:17:26,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:26,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:26,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:26,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:26,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:26,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 05:17:26,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:26,923 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:17:26,923 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-23 05:17:26,925 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], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-11-23 05:17:26,951 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:17:26,951 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:17:27,994 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:17:27,995 INFO L272 AbstractInterpreter]: Visited 123 different actions 518 times. Merged at 15 different actions 42 times. Never widened. Performed 18094 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 05:17:28,019 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:28,020 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:17:28,020 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:28,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:28,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:28,028 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:17:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:28,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:17:28,202 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:17:28,202 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:17:28,421 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 05:17:28,437 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:17:28,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 05:17:28,438 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:17:28,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 05:17:28,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 05:17:28,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 05:17:28,439 INFO L87 Difference]: Start difference. First operand 722 states and 832 transitions. Second operand 16 states. [2018-11-23 05:17:29,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:29,032 INFO L93 Difference]: Finished difference Result 1616 states and 1943 transitions. [2018-11-23 05:17:29,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 05:17:29,033 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 155 [2018-11-23 05:17:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:29,036 INFO L225 Difference]: With dead ends: 1616 [2018-11-23 05:17:29,036 INFO L226 Difference]: Without dead ends: 988 [2018-11-23 05:17:29,038 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 302 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 05:17:29,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2018-11-23 05:17:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 868. [2018-11-23 05:17:29,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2018-11-23 05:17:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1012 transitions. [2018-11-23 05:17:29,075 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1012 transitions. Word has length 155 [2018-11-23 05:17:29,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:29,075 INFO L480 AbstractCegarLoop]: Abstraction has 868 states and 1012 transitions. [2018-11-23 05:17:29,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 05:17:29,076 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1012 transitions. [2018-11-23 05:17:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-11-23 05:17:29,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:29,079 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:17:29,080 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:29,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:29,080 INFO L82 PathProgramCache]: Analyzing trace with hash 2076581160, now seen corresponding path program 1 times [2018-11-23 05:17:29,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:29,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:29,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:29,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:29,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:29,207 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 71 proven. 2 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2018-11-23 05:17:29,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:29,207 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:17:29,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2018-11-23 05:17:29,207 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], [95], [99], [103], [106], [109], [111], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-11-23 05:17:29,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:17:29,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:17:29,907 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:17:29,907 INFO L272 AbstractInterpreter]: Visited 124 different actions 521 times. Merged at 15 different actions 42 times. Never widened. Performed 17703 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17703 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 05:17:29,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:29,915 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:17:29,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:29,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:29,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:29,933 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:17:30,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:30,050 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:17:30,289 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 195 proven. 4 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 05:17:30,289 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:17:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-23 05:17:30,964 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:17:30,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-23 05:17:30,965 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:17:30,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 05:17:30,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 05:17:30,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-11-23 05:17:30,966 INFO L87 Difference]: Start difference. First operand 868 states and 1012 transitions. Second operand 19 states. [2018-11-23 05:17:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:33,717 INFO L93 Difference]: Finished difference Result 3182 states and 4481 transitions. [2018-11-23 05:17:33,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 05:17:33,718 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 269 [2018-11-23 05:17:33,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:33,724 INFO L225 Difference]: With dead ends: 3182 [2018-11-23 05:17:33,725 INFO L226 Difference]: Without dead ends: 2350 [2018-11-23 05:17:33,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 606 GetRequests, 530 SyntacticMatches, 9 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=760, Invalid=3932, Unknown=0, NotChecked=0, Total=4692 [2018-11-23 05:17:33,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2350 states. [2018-11-23 05:17:33,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2350 to 1635. [2018-11-23 05:17:33,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-11-23 05:17:33,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1842 transitions. [2018-11-23 05:17:33,798 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1842 transitions. Word has length 269 [2018-11-23 05:17:33,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:33,798 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1842 transitions. [2018-11-23 05:17:33,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 05:17:33,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1842 transitions. [2018-11-23 05:17:33,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-11-23 05:17:33,801 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:33,801 INFO L402 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, 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] [2018-11-23 05:17:33,802 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:33,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:33,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1354066118, now seen corresponding path program 1 times [2018-11-23 05:17:33,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:33,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:33,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:33,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:33,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:33,930 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-23 05:17:33,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:33,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:17:33,931 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2018-11-23 05:17:33,931 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], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-11-23 05:17:33,934 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:17:33,934 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:17:35,424 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:17:35,425 INFO L272 AbstractInterpreter]: Visited 134 different actions 928 times. Merged at 23 different actions 107 times. Never widened. Performed 36023 root evaluator evaluations with a maximum evaluation depth of 3. Performed 36023 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 30 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 05:17:35,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:35,426 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:17:35,426 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:35,426 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:35,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:35,433 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:17:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:35,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:17:35,654 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 233 proven. 16 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-23 05:17:35,654 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:17:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 93 proven. 53 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-11-23 05:17:36,101 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:17:36,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-11-23 05:17:36,101 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:17:36,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 05:17:36,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 05:17:36,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 05:17:36,103 INFO L87 Difference]: Start difference. First operand 1635 states and 1842 transitions. Second operand 20 states. [2018-11-23 05:17:37,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:37,222 INFO L93 Difference]: Finished difference Result 3086 states and 3495 transitions. [2018-11-23 05:17:37,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 05:17:37,223 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 289 [2018-11-23 05:17:37,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:37,228 INFO L225 Difference]: With dead ends: 3086 [2018-11-23 05:17:37,229 INFO L226 Difference]: Without dead ends: 1639 [2018-11-23 05:17:37,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 573 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 05:17:37,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2018-11-23 05:17:37,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1635. [2018-11-23 05:17:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1635 states. [2018-11-23 05:17:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1635 states and 1837 transitions. [2018-11-23 05:17:37,329 INFO L78 Accepts]: Start accepts. Automaton has 1635 states and 1837 transitions. Word has length 289 [2018-11-23 05:17:37,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:37,330 INFO L480 AbstractCegarLoop]: Abstraction has 1635 states and 1837 transitions. [2018-11-23 05:17:37,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 05:17:37,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1837 transitions. [2018-11-23 05:17:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-11-23 05:17:37,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:37,336 INFO L402 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, 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] [2018-11-23 05:17:37,336 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:37,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:37,336 INFO L82 PathProgramCache]: Analyzing trace with hash 800919447, now seen corresponding path program 1 times [2018-11-23 05:17:37,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:37,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:37,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:37,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:37,337 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:37,595 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-23 05:17:37,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:37,596 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:17:37,596 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 291 with the following transitions: [2018-11-23 05:17:37,596 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], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [148], [150], [151], [152], [153], [158], [160], [164], [167], [171], [177], [204], [205], [208], [212], [213], [217], [220], [222], [225], [232], [235], [238], [242], [243], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [272], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [300], [301], [302], [304], [305], [306], [307], [310], [311] [2018-11-23 05:17:37,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:17:37,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:17:39,348 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:17:39,348 INFO L272 AbstractInterpreter]: Visited 135 different actions 1161 times. Merged at 24 different actions 156 times. Widened at 1 different actions 1 times. Performed 42780 root evaluator evaluations with a maximum evaluation depth of 3. Performed 42780 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 52 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-23 05:17:39,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:39,351 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:17:39,351 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:17:39,351 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/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 [2018-11-23 05:17:39,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:39,358 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:17:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:39,436 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:17:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-11-23 05:17:39,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:17:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 94 proven. 27 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-11-23 05:17:39,926 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:17:39,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-11-23 05:17:39,927 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:17:39,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 05:17:39,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 05:17:39,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-11-23 05:17:39,928 INFO L87 Difference]: Start difference. First operand 1635 states and 1837 transitions. Second operand 14 states. [2018-11-23 05:17:40,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:40,981 INFO L93 Difference]: Finished difference Result 3504 states and 4272 transitions. [2018-11-23 05:17:40,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 05:17:40,982 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 290 [2018-11-23 05:17:40,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:40,991 INFO L225 Difference]: With dead ends: 3504 [2018-11-23 05:17:40,991 INFO L226 Difference]: Without dead ends: 2589 [2018-11-23 05:17:40,994 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 572 SyntacticMatches, 22 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 05:17:40,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2018-11-23 05:17:41,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2009. [2018-11-23 05:17:41,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-11-23 05:17:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2263 transitions. [2018-11-23 05:17:41,143 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2263 transitions. Word has length 290 [2018-11-23 05:17:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:41,143 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2263 transitions. [2018-11-23 05:17:41,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 05:17:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2263 transitions. [2018-11-23 05:17:41,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-11-23 05:17:41,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:17:41,150 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-11-23 05:17:41,150 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:17:41,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:17:41,150 INFO L82 PathProgramCache]: Analyzing trace with hash 223433493, now seen corresponding path program 1 times [2018-11-23 05:17:41,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:17:41,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:41,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:17:41,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:17:41,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:17:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:17:41,301 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2018-11-23 05:17:41,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:17:41,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 05:17:41,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:17:41,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:17:41,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:17:41,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:17:41,303 INFO L87 Difference]: Start difference. First operand 2009 states and 2263 transitions. Second operand 8 states. [2018-11-23 05:17:41,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:17:41,543 INFO L93 Difference]: Finished difference Result 3319 states and 3782 transitions. [2018-11-23 05:17:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:17:41,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 358 [2018-11-23 05:17:41,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:17:41,545 INFO L225 Difference]: With dead ends: 3319 [2018-11-23 05:17:41,545 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:17:41,550 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-23 05:17:41,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:17:41,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:17:41,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:17:41,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:17:41,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 358 [2018-11-23 05:17:41,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:17:41,551 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:17:41,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:17:41,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:17:41,551 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:17:41,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:17:41,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:41,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,504 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 106 [2018-11-23 05:17:42,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,946 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 138 [2018-11-23 05:17:42,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:42,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:17:43,372 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 26 [2018-11-23 05:17:43,675 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 33 [2018-11-23 05:17:43,841 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2018-11-23 05:17:44,114 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2018-11-23 05:17:44,253 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2018-11-23 05:17:45,118 WARN L180 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 69 [2018-11-23 05:17:45,936 WARN L180 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 55 [2018-11-23 05:17:46,199 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2018-11-23 05:17:46,522 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 48 [2018-11-23 05:17:46,677 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 34 [2018-11-23 05:17:46,912 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2018-11-23 05:17:47,098 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 43 [2018-11-23 05:17:47,596 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 39 [2018-11-23 05:17:47,740 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 29 [2018-11-23 05:17:47,895 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 29 [2018-11-23 05:17:48,023 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 18 [2018-11-23 05:17:48,344 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2018-11-23 05:17:48,493 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 26 [2018-11-23 05:17:48,821 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-11-23 05:17:49,521 WARN L180 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 63 [2018-11-23 05:17:49,746 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 47 [2018-11-23 05:17:50,176 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 570 576) the Hoare annotation is: true [2018-11-23 05:17:50,176 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 570 576) no Hoare annotation was computed. [2018-11-23 05:17:50,176 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 577 585) no Hoare annotation was computed. [2018-11-23 05:17:50,176 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 577 585) the Hoare annotation is: true [2018-11-23 05:17:50,176 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 577 585) no Hoare annotation was computed. [2018-11-23 05:17:50,176 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 144 151) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 144 151) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 144 151) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 152 161) the Hoare annotation is: (let ((.cse6 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse5 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse1 .cse3 .cse4) (or (or .cse5 .cse1) (or .cse6 .cse0 (< 2 ~waterLevel~0) .cse2)) (or .cse6 (< 1 ~waterLevel~0) .cse0 .cse5 .cse2) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 152 161) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 152 161) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse2 .cse3 .cse1) (or .cse4 .cse0 .cse1 .cse5 (not .cse3)) (or .cse2 .cse4 .cse1 .cse5))) [2018-11-23 05:17:50,177 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 162 190) the Hoare annotation is: true [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 184) no Hoare annotation was computed. [2018-11-23 05:17:50,177 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2))) (.cse5 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse4 (= ~methaneLevelCritical~0 0))) (and (or .cse0 .cse1 .cse2) (or (< ~switchedOnBeforeTS~0 1) (< 1 ~waterLevel~0) .cse3 .cse4 .cse5 .cse1) (or .cse5 .cse3 .cse6 .cse1 .cse7) (or .cse3 .cse1 .cse7 .cse2) (or .cse5 .cse6 .cse0 .cse1 .cse7 (not .cse4)))) [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 162 190) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 162 190) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 271 293) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point L283-1(line 283) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 288) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 271 293) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 288) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L448 ceAbstractionStarter]: For program point L279(line 279) no Hoare annotation was computed. [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 05:17:50,178 INFO L444 ceAbstractionStarter]: At program point L277-1(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 271 293) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 422 430) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 422 430) the Hoare annotation is: true [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 422 430) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 563 569) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 563 569) the Hoare annotation is: true [2018-11-23 05:17:50,179 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 257 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 257 267) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 257 267) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:17:50,179 INFO L451 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: true [2018-11-23 05:17:50,179 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 411 421) the Hoare annotation is: true [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point L416-1(line 416) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 411 421) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 411 421) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 403 410) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (= ~methaneLevelCritical~0 0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 403 410) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 403 410) no Hoare annotation was computed. [2018-11-23 05:17:50,179 INFO L444 ceAbstractionStarter]: At program point L384(line 384) 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 (= ~methaneLevelCritical~0 0) .cse3 .cse0 .cse1) (or .cse2 .cse3 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 .cse1))) [2018-11-23 05:17:50,179 INFO L444 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))))) [2018-11-23 05:17:50,179 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 386) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L444 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 (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 370 394) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L374(lines 374 391) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 370 394) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 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) (or .cse4 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-11-23 05:17:50,180 INFO L444 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)))) [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L389-1(lines 370 394) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 336 342) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 336 342) the Hoare annotation is: true [2018-11-23 05:17:50,180 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 487 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:17:50,180 INFO L444 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))) [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 487 550) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 537) no Hoare annotation was computed. [2018-11-23 05:17:50,180 INFO L444 ceAbstractionStarter]: At program point L533-2(lines 527 538) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~systemActive~0 1)) (and (= ~pumpRunning~0 1) .cse0 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (and (= 2 ~waterLevel~0) .cse0) .cse1 .cse2) (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (let ((.cse3 (<= ~waterLevel~0 2))) (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)))) [2018-11-23 05:17:50,180 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 542) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 538) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L444 ceAbstractionStarter]: At program point L519(line 519) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (<= ~pumpRunning~0 0)) (.cse5 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (and (and (= 2 ~waterLevel~0) .cse2) .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse5 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (and .cse0 .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse5 .cse2) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~waterLevel~0 2) .cse3 .cse2))) [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 517 523) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L444 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)) (.cse5 (= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse0 (<= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (and .cse5 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) .cse1 .cse2 .cse3) (and (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse3) .cse1 .cse2) (and .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 (and (= 0 ~methaneLevelCritical~0) (and (not (= ~switchedOnBeforeTS~0 0)) .cse3) .cse0)))) [2018-11-23 05:17:50,181 INFO L444 ceAbstractionStarter]: At program point L540(lines 497 542) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse0 (<= ~waterLevel~0 1)) (.cse1 (<= ~pumpRunning~0 0)) (.cse2 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (= 0 ~pumpRunning~0) .cse3 .cse4) (and .cse6 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse5 .cse7 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (or (and .cse6 .cse0 .cse7 .cse3 .cse4) (and .cse6 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse7 .cse3) .cse0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~switchedOnBeforeTS~0) (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 503) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 487 550) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 395 402) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 395 402) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L444 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))) [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-11-23 05:17:50,181 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-11-23 05:17:50,181 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse7 (= |old(~methaneLevelCritical~0)| 0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse9 (not (= ~waterLevel~0 2)))) (let ((.cse5 (or .cse0 .cse2 .cse9)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse4 (not .cse7)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse10 (< 2 ~waterLevel~0))) (and (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse4) (or (or .cse5 .cse4) .cse1) (or .cse6 (or .cse7 .cse5)) (or .cse7 .cse8 .cse2 .cse6 .cse9) (or .cse1 (or .cse10 (or .cse8 .cse2) .cse4)) (or .cse6 (and (or .cse0 .cse7 .cse10 .cse2 .cse3) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse7 .cse10 .cse2)))))) [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2))) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse2 .cse1) (or .cse0 .cse2 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point L316(lines 312 334) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point L314(lines 312 334) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 309 335) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse10 (<= 1 ~switchedOnBeforeTS~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse4 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6 .cse7 .cse8) (or .cse4 (or .cse9 (or .cse5 .cse3))) (or .cse2 .cse4 .cse3 .cse8) (or (or .cse10 .cse6) (or .cse0 .cse2 .cse9 .cse3)) (or .cse0 .cse11 .cse2 .cse10 .cse3) (or .cse2 .cse6 .cse3 .cse7 .cse8) (or .cse2 .cse6 .cse3 .cse7 .cse12) (or .cse11 .cse2 .cse3 .cse7 .cse4) (or .cse1 .cse2 .cse6 .cse3 .cse7) (or (and (<= ~pumpRunning~0 0) .cse13 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse3 .cse12))))) [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 309 335) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 309 335) no Hoare annotation was computed. [2018-11-23 05:17:50,182 INFO L444 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse15 (or .cse13 .cse7)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse11 .cse12 .cse3 .cse4)) (.cse2 (or (< 2 |old(~waterLevel~0)|) .cse15 (not .cse14))) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse10 (or .cse14 .cse15)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and .cse11 .cse3 .cse4)) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3 .cse4) .cse1 .cse2) (or .cse5 (or .cse6 .cse7 .cse8)) (or .cse9 .cse5 (and (or .cse6 .cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse7))) (or .cse9 .cse10 (and (<= ~waterLevel~0 0) .cse3 .cse4)) (or .cse0 .cse10 .cse11) (or .cse6 .cse7 .cse12 .cse5) (or (or (or .cse7 .cse8) .cse13) (and (= 1 ~waterLevel~0) .cse3 .cse4)))))) [2018-11-23 05:17:50,183 INFO L444 ceAbstractionStarter]: At program point L323(lines 323 329) the Hoare annotation is: (let ((.cse19 (= ~systemActive~0 1))) (let ((.cse20 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (not .cse19))) (let ((.cse12 (<= 1 ~switchedOnBeforeTS~0)) (.cse13 (= 0 ~pumpRunning~0)) (.cse15 (< 2 |old(~waterLevel~0)|)) (.cse21 (or .cse11 .cse9)) (.cse18 (not .cse20)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (and .cse6 .cse17 .cse4 .cse5)) (.cse2 (or .cse15 .cse21 .cse18)) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse3 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse14 (or .cse20 .cse21)) (.cse16 (and .cse12 (not (= |old(~pumpRunning~0)| 0)) .cse18 .cse13 .cse6 (<= ~waterLevel~0 0) .cse19)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and .cse6 .cse4 .cse5))) (and (or .cse0 .cse1 .cse2) (or (and .cse3 .cse4 .cse5) .cse1 .cse2) (or (and (= ~pumpRunning~0 1) .cse6) .cse7 (or .cse8 .cse9 .cse10)) (or (< 1 |old(~waterLevel~0)|) .cse7 (and (or .cse8 .cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse8 .cse9))) (or (or (or .cse9 .cse10) .cse11) (= 1 ~waterLevel~0)) (or (and .cse12 .cse3 .cse13) .cse14 .cse15 .cse16) (or .cse0 .cse14 .cse16) (or .cse8 .cse9 .cse17 .cse7)))))) [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 194 223) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 194 223) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point L219(lines 194 223) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point L215(line 215) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 212) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point L208-1(lines 208 212) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point L204-2(lines 204 218) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~pumpRunning~0))) [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 249 255) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 249 255) the Hoare annotation is: true [2018-11-23 05:17:50,183 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:17:50,183 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 05:17:50,183 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 344 368) the Hoare annotation is: (let ((.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 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 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse1 (or .cse0 .cse4 .cse2 .cse3)))) [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 360) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L444 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)))) [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 365) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 344 368) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L444 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 (< 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1))) [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point L363-1(lines 344 368) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L444 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))))) [2018-11-23 05:17:50,184 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2))))))) [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse3 (or .cse8 .cse4)) (.cse7 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (or (< ~switchedOnBeforeTS~0 1) .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse0 .cse6) (or (< 0 |old(~waterLevel~0)|) .cse0 .cse3 .cse7) (or .cse1 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse0 .cse5 (not .cse2)) (or .cse3 .cse7 .cse0 .cse6) (or (= 1 ~waterLevel~0) (or .cse8 .cse4 (not (= |old(~waterLevel~0)| 1))))))) [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 295 302) no Hoare annotation was computed. [2018-11-23 05:17:50,184 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 295 302) the Hoare annotation is: true [2018-11-23 05:17:50,184 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 299) no Hoare annotation was computed. [2018-11-23 05:17:50,185 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 295 302) no Hoare annotation was computed. [2018-11-23 05:17:50,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:17:50 BoogieIcfgContainer [2018-11-23 05:17:50,195 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:17:50,196 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:17:50,196 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:17:50,196 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:17:50,196 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:17:23" (3/4) ... [2018-11-23 05:17:50,199 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:17:50,204 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:17:50,205 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:17:50,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:17:50,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:17:50,206 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:17:50,212 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 05:17:50,212 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:17:50,213 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:17:50,213 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:17:50,213 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:17:50,213 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:17:50,214 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:17:50,237 WARN L221 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)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && 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)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) [2018-11-23 05:17:50,237 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:17:50,269 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f131fd2-7741-4a41-b414-23c82d634a19/bin-2019/utaipan/witness.graphml [2018-11-23 05:17:50,269 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:17:50,270 INFO L168 Benchmark]: Toolchain (without parser) took 27207.66 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 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 304.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:17:50,270 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-11-23 05:17:50,270 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 05:17:50,271 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.96 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. [2018-11-23 05:17:50,271 INFO L168 Benchmark]: Boogie Preprocessor took 26.37 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. [2018-11-23 05:17:50,271 INFO L168 Benchmark]: RCFGBuilder took 431.43 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:17:50,271 INFO L168 Benchmark]: TraceAbstraction took 26291.66 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 05:17:50,271 INFO L168 Benchmark]: Witness Printer took 73.56 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 41.0 kB). Peak memory consumption was 41.0 kB. Max. memory is 11.5 GB. [2018-11-23 05:17:50,273 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 360.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.96 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 26.37 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 431.43 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 26291.66 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 2.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 73.56 ms. Allocated memory is still 2.6 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 41.0 kB). Peak memory consumption was 41.0 kB. 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)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || ((waterLevel == 2 && pumpRunning == 1) && 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)) || (((((1 <= switchedOnBeforeTS && !(methaneLevelCritical == 0)) && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 26.2s OverallTime, 14 OverallIterations, 9 TraceHistogramMax, 7.4s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2830 SDtfs, 4535 SDslu, 8412 SDs, 0 SdLazy, 10843 SolverSat, 2867 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2306 GetRequests, 2024 SyntacticMatches, 45 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1868 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2009occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.0s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 1540 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 3446 PreInvPairs, 3703 NumberOfFragments, 2938 HoareAnnotationTreeSize, 3446 FomulaSimplifications, 106975 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 61 FomulaSimplificationsInter, 100035 FormulaSimplificationTreeSizeReductionInter, 6.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3100 NumberOfCodeBlocks, 3100 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 4081 ConstructedInterpolants, 0 QuantifiedInterpolants, 1589262 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4482 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 3059/3333 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...