./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/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 c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:36:00,377 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:36:00,378 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:36:00,389 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:36:00,390 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:36:00,391 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:36:00,392 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:36:00,394 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:36:00,395 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:36:00,395 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:36:00,396 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:36:00,396 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:36:00,397 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:36:00,398 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:36:00,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:36:00,400 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:36:00,400 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:36:00,402 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:36:00,404 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:36:00,405 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:36:00,406 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:36:00,407 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:36:00,409 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:36:00,409 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:36:00,410 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:36:00,410 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:36:00,411 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:36:00,412 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:36:00,412 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:36:00,414 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:36:00,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:36:00,415 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:36:00,415 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:36:00,415 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:36:00,416 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:36:00,416 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:36:00,417 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:36:00,429 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:36:00,429 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:36:00,430 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:36:00,430 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:36:00,430 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:36:00,430 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:36:00,430 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:36:00,431 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:36:00,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:36:00,432 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:36:00,433 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:36:00,433 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:36:00,434 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:36:00,434 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:36:00,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:36:00,435 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:36:00,435 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:36:00,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:36:00,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:36:00,436 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:36:00,436 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_1940e000-8f7c-499b-a587-25e7b19251b4/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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-11-18 13:36:00,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:36:00,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:36:00,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:36:00,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:36:00,474 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:36:00,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:36:00,520 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/data/ef1737944/1a552751b5cb47d284783b06e3745c98/FLAG8ac0704d8 [2018-11-18 13:36:00,885 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:36:00,885 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:36:00,892 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/data/ef1737944/1a552751b5cb47d284783b06e3745c98/FLAG8ac0704d8 [2018-11-18 13:36:00,904 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/data/ef1737944/1a552751b5cb47d284783b06e3745c98 [2018-11-18 13:36:00,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:36:00,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:36:00,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:36:00,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:36:00,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:36:00,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:36:00" (1/1) ... [2018-11-18 13:36:00,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d1e80f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:00, skipping insertion in model container [2018-11-18 13:36:00,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:36:00" (1/1) ... [2018-11-18 13:36:00,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:36:00,959 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:36:01,208 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:36:01,225 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:36:01,395 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:36:01,425 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:36:01,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01 WrapperNode [2018-11-18 13:36:01,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:36:01,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:36:01,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:36:01,427 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:36:01,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:36:01,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:36:01,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:36:01,459 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:36:01,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... [2018-11-18 13:36:01,498 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:36:01,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:36:01,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:36:01,499 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:36:01,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:36:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 13:36:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 13:36:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:36:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:36:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 13:36:01,549 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 13:36:01,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:36:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 13:36:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 13:36:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 13:36:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 13:36:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 13:36:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 13:36:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 13:36:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 13:36:01,550 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 13:36:01,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 13:36:01,551 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 13:36:01,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 13:36:01,552 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 13:36:01,552 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 13:36:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 13:36:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 13:36:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 13:36:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 13:36:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 13:36:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 13:36:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 13:36:01,553 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 13:36:01,553 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 13:36:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 13:36:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 13:36:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 13:36:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:36:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:36:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 13:36:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 13:36:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 13:36:01,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 13:36:01,554 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 13:36:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 13:36:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:36:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:36:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:36:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:36:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:36:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:36:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 13:36:01,555 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 13:36:01,555 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 13:36:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 13:36:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 13:36:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 13:36:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:36:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:36:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 13:36:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 13:36:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 13:36:01,556 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 13:36:01,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:36:01,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:36:02,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:36:02,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:02 BoogieIcfgContainer [2018-11-18 13:36:02,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:36:02,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:36:02,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:36:02,283 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:36:02,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:36:00" (1/3) ... [2018-11-18 13:36:02,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705654b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:36:02, skipping insertion in model container [2018-11-18 13:36:02,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:36:01" (2/3) ... [2018-11-18 13:36:02,285 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@705654b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:36:02, skipping insertion in model container [2018-11-18 13:36:02,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:02" (3/3) ... [2018-11-18 13:36:02,287 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-18 13:36:02,297 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:36:02,304 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:36:02,319 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:36:02,349 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:36:02,349 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:36:02,349 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:36:02,349 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:36:02,349 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:36:02,350 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:36:02,350 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:36:02,350 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:36:02,369 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-18 13:36:02,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 13:36:02,377 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:02,378 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:02,381 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:02,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:02,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1072831316, now seen corresponding path program 1 times [2018-11-18 13:36:02,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:02,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:02,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:02,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:02,434 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:02,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:02,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:02,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:36:02,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:02,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:36:02,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:36:02,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:36:02,672 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-18 13:36:02,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:02,705 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2018-11-18 13:36:02,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:36:02,706 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 13:36:02,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:02,726 INFO L225 Difference]: With dead ends: 284 [2018-11-18 13:36:02,727 INFO L226 Difference]: Without dead ends: 144 [2018-11-18 13:36:02,731 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:36:02,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-18 13:36:02,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-18 13:36:02,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-18 13:36:02,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-18 13:36:02,780 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 59 [2018-11-18 13:36:02,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:02,781 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-18 13:36:02,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:36:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-18 13:36:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 13:36:02,787 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:02,787 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:02,787 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:02,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:02,788 INFO L82 PathProgramCache]: Analyzing trace with hash -2145742683, now seen corresponding path program 1 times [2018-11-18 13:36:02,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:02,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:02,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:02,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:02,789 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:02,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:02,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:02,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:02,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:02,995 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:02,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:02,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:02,996 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-11-18 13:36:03,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:03,045 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2018-11-18 13:36:03,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:03,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 13:36:03,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:03,047 INFO L225 Difference]: With dead ends: 227 [2018-11-18 13:36:03,048 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 13:36:03,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 13:36:03,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 13:36:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 13:36:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2018-11-18 13:36:03,059 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 61 [2018-11-18 13:36:03,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:03,060 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2018-11-18 13:36:03,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:03,060 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2018-11-18 13:36:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 13:36:03,061 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:03,061 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:03,061 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:03,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:03,062 INFO L82 PathProgramCache]: Analyzing trace with hash 606997949, now seen corresponding path program 1 times [2018-11-18 13:36:03,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:03,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:03,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:03,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:03,063 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:03,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:03,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:03,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:03,253 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:36:03,253 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:03,254 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:36:03,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:36:03,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:03,254 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 3 states. [2018-11-18 13:36:03,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:03,313 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2018-11-18 13:36:03,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:36:03,314 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2018-11-18 13:36:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:03,317 INFO L225 Difference]: With dead ends: 240 [2018-11-18 13:36:03,317 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 13:36:03,318 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:36:03,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 13:36:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 13:36:03,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 13:36:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 154 transitions. [2018-11-18 13:36:03,336 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 154 transitions. Word has length 66 [2018-11-18 13:36:03,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:03,340 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 154 transitions. [2018-11-18 13:36:03,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:36:03,341 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 154 transitions. [2018-11-18 13:36:03,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 13:36:03,343 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:03,343 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:03,343 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:03,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:03,343 INFO L82 PathProgramCache]: Analyzing trace with hash 146331587, now seen corresponding path program 1 times [2018-11-18 13:36:03,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:03,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:03,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:03,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:03,345 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:03,846 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:03,846 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:03,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:36:03,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:03,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:36:03,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:36:03,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:36:03,847 INFO L87 Difference]: Start difference. First operand 134 states and 154 transitions. Second operand 5 states. [2018-11-18 13:36:05,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:05,044 INFO L93 Difference]: Finished difference Result 348 states and 419 transitions. [2018-11-18 13:36:05,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:36:05,044 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2018-11-18 13:36:05,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:05,046 INFO L225 Difference]: With dead ends: 348 [2018-11-18 13:36:05,046 INFO L226 Difference]: Without dead ends: 242 [2018-11-18 13:36:05,047 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:36:05,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-18 13:36:05,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 222. [2018-11-18 13:36:05,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-18 13:36:05,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-11-18 13:36:05,068 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 79 [2018-11-18 13:36:05,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:05,068 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-11-18 13:36:05,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:36:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-11-18 13:36:05,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 13:36:05,070 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:05,070 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:05,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:05,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:05,071 INFO L82 PathProgramCache]: Analyzing trace with hash 69896450, now seen corresponding path program 1 times [2018-11-18 13:36:05,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:05,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:05,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:05,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:05,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:36:05,405 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:05,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:36:05,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:36:05,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:36:05,406 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 8 states. [2018-11-18 13:36:05,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:05,458 INFO L93 Difference]: Finished difference Result 423 states and 497 transitions. [2018-11-18 13:36:05,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:36:05,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-11-18 13:36:05,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:05,464 INFO L225 Difference]: With dead ends: 423 [2018-11-18 13:36:05,464 INFO L226 Difference]: Without dead ends: 229 [2018-11-18 13:36:05,465 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:36:05,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-18 13:36:05,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 226. [2018-11-18 13:36:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-18 13:36:05,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 258 transitions. [2018-11-18 13:36:05,504 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 258 transitions. Word has length 93 [2018-11-18 13:36:05,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:05,504 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 258 transitions. [2018-11-18 13:36:05,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:36:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 258 transitions. [2018-11-18 13:36:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 13:36:05,509 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:05,509 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:05,509 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:05,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:05,509 INFO L82 PathProgramCache]: Analyzing trace with hash 47264196, now seen corresponding path program 1 times [2018-11-18 13:36:05,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:05,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:05,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:05,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:05,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:05,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 13:36:05,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:05,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 13:36:05,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:05,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 13:36:05,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 13:36:05,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:36:05,783 INFO L87 Difference]: Start difference. First operand 226 states and 258 transitions. Second operand 7 states. [2018-11-18 13:36:06,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:06,399 INFO L93 Difference]: Finished difference Result 443 states and 522 transitions. [2018-11-18 13:36:06,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:36:06,400 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-11-18 13:36:06,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:06,401 INFO L225 Difference]: With dead ends: 443 [2018-11-18 13:36:06,401 INFO L226 Difference]: Without dead ends: 245 [2018-11-18 13:36:06,402 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:36:06,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-18 13:36:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 225. [2018-11-18 13:36:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-18 13:36:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 255 transitions. [2018-11-18 13:36:06,416 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 255 transitions. Word has length 93 [2018-11-18 13:36:06,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:06,416 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 255 transitions. [2018-11-18 13:36:06,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 13:36:06,416 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 255 transitions. [2018-11-18 13:36:06,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:36:06,417 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:06,418 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:06,418 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:06,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:06,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1286321718, now seen corresponding path program 1 times [2018-11-18 13:36:06,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:06,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:06,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:06,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:06,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:06,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:06,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:36:06,649 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:06,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:36:06,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:36:06,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:36:06,650 INFO L87 Difference]: Start difference. First operand 225 states and 255 transitions. Second operand 6 states. [2018-11-18 13:36:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:06,697 INFO L93 Difference]: Finished difference Result 427 states and 492 transitions. [2018-11-18 13:36:06,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:36:06,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-18 13:36:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:06,699 INFO L225 Difference]: With dead ends: 427 [2018-11-18 13:36:06,699 INFO L226 Difference]: Without dead ends: 230 [2018-11-18 13:36:06,700 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:36:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-18 13:36:06,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2018-11-18 13:36:06,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2018-11-18 13:36:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 260 transitions. [2018-11-18 13:36:06,712 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 260 transitions. Word has length 94 [2018-11-18 13:36:06,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:06,712 INFO L480 AbstractCegarLoop]: Abstraction has 230 states and 260 transitions. [2018-11-18 13:36:06,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:36:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 260 transitions. [2018-11-18 13:36:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 13:36:06,713 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:06,713 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:06,713 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:06,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:06,714 INFO L82 PathProgramCache]: Analyzing trace with hash -581564807, now seen corresponding path program 1 times [2018-11-18 13:36:06,714 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:06,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:06,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:06,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:06,715 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:06,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:06,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:06,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:36:06,854 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:06,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:36:06,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:36:06,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:36:06,855 INFO L87 Difference]: Start difference. First operand 230 states and 260 transitions. Second operand 4 states. [2018-11-18 13:36:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:07,063 INFO L93 Difference]: Finished difference Result 674 states and 798 transitions. [2018-11-18 13:36:07,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:36:07,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-18 13:36:07,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:07,066 INFO L225 Difference]: With dead ends: 674 [2018-11-18 13:36:07,067 INFO L226 Difference]: Without dead ends: 472 [2018-11-18 13:36:07,068 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:36:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-18 13:36:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 463. [2018-11-18 13:36:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-11-18 13:36:07,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 537 transitions. [2018-11-18 13:36:07,096 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 537 transitions. Word has length 94 [2018-11-18 13:36:07,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:07,096 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 537 transitions. [2018-11-18 13:36:07,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:36:07,097 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 537 transitions. [2018-11-18 13:36:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 13:36:07,098 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:07,098 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:07,098 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:07,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:07,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1848490945, now seen corresponding path program 1 times [2018-11-18 13:36:07,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:07,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:07,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:07,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:07,337 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 13:36:07,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:36:07,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 13:36:07,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:07,338 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:36:07,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:36:07,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:36:07,339 INFO L87 Difference]: Start difference. First operand 463 states and 537 transitions. Second operand 9 states. [2018-11-18 13:36:09,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:09,049 INFO L93 Difference]: Finished difference Result 1216 states and 1474 transitions. [2018-11-18 13:36:09,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:36:09,050 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2018-11-18 13:36:09,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:09,053 INFO L225 Difference]: With dead ends: 1216 [2018-11-18 13:36:09,053 INFO L226 Difference]: Without dead ends: 854 [2018-11-18 13:36:09,055 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:36:09,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2018-11-18 13:36:09,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 773. [2018-11-18 13:36:09,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 773 states. [2018-11-18 13:36:09,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 773 states to 773 states and 886 transitions. [2018-11-18 13:36:09,116 INFO L78 Accepts]: Start accepts. Automaton has 773 states and 886 transitions. Word has length 98 [2018-11-18 13:36:09,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:09,116 INFO L480 AbstractCegarLoop]: Abstraction has 773 states and 886 transitions. [2018-11-18 13:36:09,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:36:09,117 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 886 transitions. [2018-11-18 13:36:09,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 13:36:09,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:09,120 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:09,120 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:09,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:09,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1424157547, now seen corresponding path program 1 times [2018-11-18 13:36:09,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:09,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:09,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:09,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:09,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:36:09,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:09,591 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:36:09,592 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 13:36:09,594 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [67], [71], [72], [73], [76], [78], [84], [88], [91], [92], [93], [97], [103], [107], [111], [114], [117], [119], [125], [127], [133], [136], [146], [147], [148], [149], [150], [151], [152], [153], [154], [156], [161], [163], [164], [202], [205], [209], [215], [218], [222], [223], [229], [232], [234], [237], [244], [247], [250], [254], [255], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [282], [283], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320], [321], [324], [325] [2018-11-18 13:36:09,628 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:36:09,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:36:11,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:36:11,651 INFO L272 AbstractInterpreter]: Visited 127 different actions 617 times. Merged at 20 different actions 63 times. Never widened. Performed 20984 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 13:36:11,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:11,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:36:11,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:11,679 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:36:11,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:11,687 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:36:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:11,832 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:36:12,690 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:36:12,690 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:36:13,304 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 13:36:13,320 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:36:13,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 13:36:13,321 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:36:13,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:36:13,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:36:13,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:36:13,321 INFO L87 Difference]: Start difference. First operand 773 states and 886 transitions. Second operand 16 states. [2018-11-18 13:36:16,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:16,174 INFO L93 Difference]: Finished difference Result 1763 states and 2096 transitions. [2018-11-18 13:36:16,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 13:36:16,174 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 161 [2018-11-18 13:36:16,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:16,179 INFO L225 Difference]: With dead ends: 1763 [2018-11-18 13:36:16,179 INFO L226 Difference]: Without dead ends: 1089 [2018-11-18 13:36:16,181 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 314 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 13:36:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2018-11-18 13:36:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 944. [2018-11-18 13:36:16,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 944 states. [2018-11-18 13:36:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1091 transitions. [2018-11-18 13:36:16,238 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1091 transitions. Word has length 161 [2018-11-18 13:36:16,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:16,239 INFO L480 AbstractCegarLoop]: Abstraction has 944 states and 1091 transitions. [2018-11-18 13:36:16,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:36:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1091 transitions. [2018-11-18 13:36:16,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-11-18 13:36:16,245 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:16,245 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:16,245 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:16,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:16,245 INFO L82 PathProgramCache]: Analyzing trace with hash -138510381, now seen corresponding path program 1 times [2018-11-18 13:36:16,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:16,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:16,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:16,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:16,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:16,638 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 103 proven. 16 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2018-11-18 13:36:16,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:16,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:36:16,639 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 286 with the following transitions: [2018-11-18 13:36:16,639 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [66], [67], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [97], [103], [107], [111], [114], [117], [119], [125], [127], [133], [136], [146], [147], [148], [149], [150], [151], [152], [153], [154], [156], [161], [163], [164], [202], [205], [209], [215], [218], [222], [223], [229], [232], [234], [237], [244], [247], [250], [252], [254], [255], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320], [321], [324], [325] [2018-11-18 13:36:16,642 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:36:16,642 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:36:18,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:36:18,232 INFO L272 AbstractInterpreter]: Visited 129 different actions 889 times. Merged at 22 different actions 86 times. Never widened. Performed 33442 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 13:36:18,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:18,236 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:36:18,237 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:18,237 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:36:18,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:18,244 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:36:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:18,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:36:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 209 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 13:36:18,589 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:36:19,274 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 13:36:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 83 proven. 34 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 13:36:19,523 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:36:19,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 13:36:19,524 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:36:19,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:36:19,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:36:19,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 13:36:19,525 INFO L87 Difference]: Start difference. First operand 944 states and 1091 transitions. Second operand 18 states. [2018-11-18 13:36:21,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:21,816 INFO L93 Difference]: Finished difference Result 2534 states and 3095 transitions. [2018-11-18 13:36:21,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 13:36:21,817 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 285 [2018-11-18 13:36:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:21,821 INFO L225 Difference]: With dead ends: 2534 [2018-11-18 13:36:21,821 INFO L226 Difference]: Without dead ends: 1380 [2018-11-18 13:36:21,828 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 558 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 13:36:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2018-11-18 13:36:21,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1261. [2018-11-18 13:36:21,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1261 states. [2018-11-18 13:36:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1440 transitions. [2018-11-18 13:36:21,905 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1440 transitions. Word has length 285 [2018-11-18 13:36:21,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:21,906 INFO L480 AbstractCegarLoop]: Abstraction has 1261 states and 1440 transitions. [2018-11-18 13:36:21,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:36:21,906 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1440 transitions. [2018-11-18 13:36:21,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2018-11-18 13:36:21,913 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:36:21,914 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:36:21,914 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:36:21,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:21,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1314378892, now seen corresponding path program 1 times [2018-11-18 13:36:21,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:36:21,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:21,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:21,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:36:21,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:36:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2018-11-18 13:36:22,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:22,782 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:36:22,782 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 368 with the following transitions: [2018-11-18 13:36:22,783 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], [52], [55], [57], [59], [60], [61], [65], [66], [67], [70], [71], [72], [73], [76], [78], [81], [84], [88], [91], [92], [93], [97], [103], [107], [111], [114], [117], [119], [125], [127], [133], [136], [146], [147], [148], [149], [150], [151], [152], [153], [154], [156], [159], [161], [163], [164], [202], [205], [209], [215], [218], [222], [223], [229], [232], [234], [237], [240], [244], [247], [250], [254], [255], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [318], [319], [320], [321], [322], [323], [324], [325] [2018-11-18 13:36:22,786 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:36:22,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:36:25,556 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:36:25,556 INFO L272 AbstractInterpreter]: Visited 139 different actions 1691 times. Merged at 41 different actions 380 times. Never widened. Performed 58160 root evaluator evaluations with a maximum evaluation depth of 5. Performed 58160 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 87 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 13:36:25,569 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:36:25,569 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:36:25,569 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:36:25,569 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:36:25,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:36:25,576 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:36:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:36:25,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:36:25,871 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2018-11-18 13:36:25,871 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:36:26,202 INFO L134 CoverageAnalysis]: Checked inductivity of 564 backedges. 117 proven. 17 refuted. 0 times theorem prover too weak. 430 trivial. 0 not checked. [2018-11-18 13:36:26,219 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 13:36:26,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 13:36:26,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:36:26,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:36:26,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:36:26,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:36:26,220 INFO L87 Difference]: Start difference. First operand 1261 states and 1440 transitions. Second operand 6 states. [2018-11-18 13:36:26,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:36:26,262 INFO L93 Difference]: Finished difference Result 1531 states and 1739 transitions. [2018-11-18 13:36:26,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:36:26,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 367 [2018-11-18 13:36:26,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:36:26,262 INFO L225 Difference]: With dead ends: 1531 [2018-11-18 13:36:26,262 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:36:26,264 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 745 GetRequests, 729 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 13:36:26,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:36:26,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:36:26,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:36:26,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:36:26,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 367 [2018-11-18 13:36:26,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:36:26,265 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:36:26,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:36:26,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:36:26,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:36:26,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:36:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:26,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:36:27,126 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 26 [2018-11-18 13:36:27,267 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2018-11-18 13:36:27,505 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 19 [2018-11-18 13:36:27,862 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 26 [2018-11-18 13:36:28,180 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 25 [2018-11-18 13:36:28,493 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-11-18 13:36:29,085 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 31 [2018-11-18 13:36:29,501 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 25 [2018-11-18 13:36:30,081 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-18 13:36:30,208 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2018-11-18 13:36:30,208 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2018-11-18 13:36:30,208 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-18 13:36:30,208 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2018-11-18 13:36:30,208 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-18 13:36:30,208 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 13:36:30,208 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2018-11-18 13:36:30,209 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L425 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-11-18 13:36:30,209 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4 .cse5))) [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L428 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L421 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:36:30,210 INFO L421 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L425 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-18 13:36:30,210 INFO L421 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,211 INFO L421 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,211 INFO L421 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2018-11-18 13:36:30,211 INFO L428 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2018-11-18 13:36:30,211 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2018-11-18 13:36:30,212 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L421 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,212 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2018-11-18 13:36:30,212 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-18 13:36:30,213 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-18 13:36:30,213 INFO L425 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-11-18 13:36:30,214 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-18 13:36:30,214 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3))) [2018-11-18 13:36:30,214 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2018-11-18 13:36:30,215 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point L283-1(lines 283 330) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2018-11-18 13:36:30,215 INFO L421 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 13:36:30,215 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L421 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= ~waterLevel~0 2))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L421 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= ~waterLevel~0 2))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L421 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= ~waterLevel~0 2))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L421 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse0 (and (= 0 ~pumpRunning~0) .cse1 .cse3))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse2 (= ~pumpRunning~0 1) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-18 13:36:30,216 INFO L421 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= ~waterLevel~0 2)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2018-11-18 13:36:30,216 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 13:36:30,217 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-11-18 13:36:30,217 INFO L428 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2018-11-18 13:36:30,217 INFO L425 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 908 922) no Hoare annotation was computed. [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point L908-3(lines 908 922) the Hoare annotation is: true [2018-11-18 13:36:30,218 INFO L428 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-11-18 13:36:30,219 INFO L425 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-11-18 13:36:30,219 INFO L421 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (or .cse1 .cse2 .cse3)) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 13:36:30,219 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-11-18 13:36:30,219 INFO L421 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 (or .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 13:36:30,219 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2018-11-18 13:36:30,219 INFO L421 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (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 (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-11-18 13:36:30,219 INFO L425 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2018-11-18 13:36:30,219 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2018-11-18 13:36:30,219 INFO L425 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2018-11-18 13:36:30,219 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 13:36:30,220 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 13:36:30,220 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2018-11-18 13:36:30,220 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L421 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 13:36:30,221 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse0 (or .cse1 .cse2) .cse3) (or (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) .cse0) (or .cse2 .cse0 (not (= 1 ~pumpRunning~0)) .cse3))) [2018-11-18 13:36:30,221 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 13:36:30,221 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 13:36:30,222 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 13:36:30,222 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 13:36:30,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:36:30 BoogieIcfgContainer [2018-11-18 13:36:30,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:36:30,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:36:30,244 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:36:30,244 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:36:30,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:36:02" (3/4) ... [2018-11-18 13:36:30,248 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:36:30,255 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 13:36:30,255 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 13:36:30,255 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:36:30,256 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 13:36:30,257 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 13:36:30,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 13:36:30,258 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 13:36:30,264 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 13:36:30,264 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 13:36:30,264 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 13:36:30,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((waterLevel == 2 && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 13:36:30,288 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-18 13:36:30,327 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1940e000-8f7c-499b-a587-25e7b19251b4/bin-2019/utaipan/witness.graphml [2018-11-18 13:36:30,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:36:30,328 INFO L168 Benchmark]: Toolchain (without parser) took 29421.45 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 957.0 MB in the beginning and 1.6 GB in the end (delta: -669.5 MB). Peak memory consumption was 341.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,329 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:36:30,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:36:30,329 INFO L168 Benchmark]: Boogie Preprocessor took 38.97 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,330 INFO L168 Benchmark]: RCFGBuilder took 779.38 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,330 INFO L168 Benchmark]: TraceAbstraction took 27964.95 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 866.6 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -575.3 MB). Peak memory consumption was 928.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,330 INFO L168 Benchmark]: Witness Printer took 83.95 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:36:30,331 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 517.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 957.0 MB in the beginning and 1.1 GB in the end (delta: -178.3 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.97 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 779.38 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: 58.5 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27964.95 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 866.6 MB). Free memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: -575.3 MB). Peak memory consumption was 928.8 MB. Max. memory is 11.5 GB. * Witness Printer took 83.95 ms. Allocated memory is still 2.0 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || (((!(systemActive == 0) && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((waterLevel == 2 && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2333 SDtfs, 2346 SDslu, 6328 SDs, 0 SdLazy, 5072 SolverSat, 1239 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1811 GetRequests, 1647 SyntacticMatches, 24 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1261occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.4s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 397 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1843 PreInvPairs, 1925 NumberOfFragments, 1731 HoareAnnotationTreeSize, 1843 FomulaSimplifications, 9958 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 17103 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 2363 NumberOfCodeBlocks, 2363 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3158 ConstructedInterpolants, 0 QuantifiedInterpolants, 1040246 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3319 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2573/2691 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...