./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/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 5667765c016e1c72bafcc0c365d87d7652cb3eb1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:28:40,460 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:28:40,462 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:28:40,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:28:40,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:28:40,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:28:40,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:28:40,474 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:28:40,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:28:40,476 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:28:40,476 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:28:40,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:28:40,477 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:28:40,481 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:28:40,483 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:28:40,489 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:28:40,490 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:28:40,491 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:28:40,492 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:28:40,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:28:40,494 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:28:40,499 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:28:40,502 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:28:40,504 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:28:40,505 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:28:40,505 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:28:40,506 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:28:40,507 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:28:40,507 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:28:40,508 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:28:40,508 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:28:40,508 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:28:40,509 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:28:40,509 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:28:40,509 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:28:40,513 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:28:40,514 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:28:40,528 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:28:40,529 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:28:40,530 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:28:40,530 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:28:40,530 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:28:40,530 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:28:40,531 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:28:40,531 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:28:40,532 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:28:40,532 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:28:40,532 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:28:40,533 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:28:40,534 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:28:40,534 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:28:40,534 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:28:40,534 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:28:40,535 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:28:40,535 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:28:40,536 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:28:40,536 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:28:40,537 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:28:40,537 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:28:40,537 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_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/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 -> 5667765c016e1c72bafcc0c365d87d7652cb3eb1 [2018-10-26 22:28:40,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:28:40,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:28:40,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:28:40,604 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:28:40,604 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:28:40,605 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-10-26 22:28:40,650 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/data/fc369a7f9/1977afe7865741e598dc6b7d2d27c443/FLAG13c3a6655 [2018-10-26 22:28:41,055 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:28:41,056 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/sv-benchmarks/c/product-lines/minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-10-26 22:28:41,066 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/data/fc369a7f9/1977afe7865741e598dc6b7d2d27c443/FLAG13c3a6655 [2018-10-26 22:28:41,080 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/data/fc369a7f9/1977afe7865741e598dc6b7d2d27c443 [2018-10-26 22:28:41,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:28:41,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:28:41,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:41,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:28:41,088 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:28:41,089 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@632e136c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41, skipping insertion in model container [2018-10-26 22:28:41,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:28:41,140 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:28:41,347 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:41,363 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:28:41,425 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:41,453 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:28:41,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41 WrapperNode [2018-10-26 22:28:41,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:41,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:41,454 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:28:41,454 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:28:41,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,486 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:41,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:28:41,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:28:41,593 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:28:41,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... [2018-10-26 22:28:41,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:28:41,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:28:41,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:28:41,636 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:28:41,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/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 [2018-10-26 22:28:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:28:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:28:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:28:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:28:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:28:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:28:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 22:28:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 22:28:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:28:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:28:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:28:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:28:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:28:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:28:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 22:28:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 22:28:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:28:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:28:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 22:28:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 22:28:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:28:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:28:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:28:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:28:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:28:41,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:28:41,713 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:28:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:28:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:28:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:28:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:28:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:28:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:28:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:28:41,714 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:28:41,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:28:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:28:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:28:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:28:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:28:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:28:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:28:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:28:41,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:28:41,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:28:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:28:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:28:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:28:42,695 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:28:42,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:42 BoogieIcfgContainer [2018-10-26 22:28:42,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:28:42,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:28:42,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:28:42,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:28:42,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:28:41" (1/3) ... [2018-10-26 22:28:42,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:42, skipping insertion in model container [2018-10-26 22:28:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:41" (2/3) ... [2018-10-26 22:28:42,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0eddd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:42, skipping insertion in model container [2018-10-26 22:28:42,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:42" (3/3) ... [2018-10-26 22:28:42,702 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product33_true-unreach-call_false-termination.cil.c [2018-10-26 22:28:42,710 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:28:42,720 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:28:42,735 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:28:42,758 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:28:42,758 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:28:42,758 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:28:42,758 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:28:42,759 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:28:42,759 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:28:42,759 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:28:42,759 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:28:42,774 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states. [2018-10-26 22:28:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:28:42,781 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:42,794 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:42,796 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:42,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:42,800 INFO L82 PathProgramCache]: Analyzing trace with hash -922037039, now seen corresponding path program 1 times [2018-10-26 22:28:42,802 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:42,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:42,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:42,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:42,837 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:43,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:43,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:28:43,047 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:43,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:28:43,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:28:43,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:28:43,065 INFO L87 Difference]: Start difference. First operand 126 states. Second operand 2 states. [2018-10-26 22:28:43,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:43,094 INFO L93 Difference]: Finished difference Result 226 states and 281 transitions. [2018-10-26 22:28:43,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:28:43,095 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-10-26 22:28:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:43,106 INFO L225 Difference]: With dead ends: 226 [2018-10-26 22:28:43,106 INFO L226 Difference]: Without dead ends: 113 [2018-10-26 22:28:43,109 INFO L605 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 [2018-10-26 22:28:43,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-10-26 22:28:43,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-10-26 22:28:43,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-10-26 22:28:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 132 transitions. [2018-10-26 22:28:43,153 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 132 transitions. Word has length 52 [2018-10-26 22:28:43,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:43,153 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 132 transitions. [2018-10-26 22:28:43,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:28:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 132 transitions. [2018-10-26 22:28:43,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 22:28:43,157 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:43,157 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:43,157 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:43,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:43,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1113974743, now seen corresponding path program 1 times [2018-10-26 22:28:43,158 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:43,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:43,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:43,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:43,159 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:43,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:43,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:43,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:28:43,298 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:43,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:28:43,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:28:43,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:28:43,300 INFO L87 Difference]: Start difference. First operand 113 states and 132 transitions. Second operand 3 states. [2018-10-26 22:28:43,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:43,329 INFO L93 Difference]: Finished difference Result 173 states and 201 transitions. [2018-10-26 22:28:43,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:28:43,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-10-26 22:28:43,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:43,332 INFO L225 Difference]: With dead ends: 173 [2018-10-26 22:28:43,332 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 22:28:43,333 INFO L605 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 [2018-10-26 22:28:43,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 22:28:43,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 22:28:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 22:28:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 119 transitions. [2018-10-26 22:28:43,344 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 119 transitions. Word has length 54 [2018-10-26 22:28:43,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:43,344 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 119 transitions. [2018-10-26 22:28:43,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:28:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 119 transitions. [2018-10-26 22:28:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:28:43,347 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:43,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:43,347 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:43,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1441520497, now seen corresponding path program 1 times [2018-10-26 22:28:43,348 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:43,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:43,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:43,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:43,348 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:43,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:43,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:28:43,761 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:43,762 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:28:43,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:28:43,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:28:43,762 INFO L87 Difference]: Start difference. First operand 103 states and 119 transitions. Second operand 7 states. [2018-10-26 22:28:44,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:44,573 INFO L93 Difference]: Finished difference Result 182 states and 215 transitions. [2018-10-26 22:28:44,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:28:44,574 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 22:28:44,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:44,575 INFO L225 Difference]: With dead ends: 182 [2018-10-26 22:28:44,576 INFO L226 Difference]: Without dead ends: 103 [2018-10-26 22:28:44,577 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:28:44,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-10-26 22:28:44,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-10-26 22:28:44,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-10-26 22:28:44,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 118 transitions. [2018-10-26 22:28:44,590 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 118 transitions. Word has length 58 [2018-10-26 22:28:44,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:44,590 INFO L481 AbstractCegarLoop]: Abstraction has 103 states and 118 transitions. [2018-10-26 22:28:44,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:28:44,591 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 118 transitions. [2018-10-26 22:28:44,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-26 22:28:44,592 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:44,592 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:44,593 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:44,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:44,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1707927413, now seen corresponding path program 1 times [2018-10-26 22:28:44,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:44,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:44,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:44,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:44,596 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:44,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:44,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:44,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:28:44,715 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:44,715 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:28:44,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:28:44,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:28:44,716 INFO L87 Difference]: Start difference. First operand 103 states and 118 transitions. Second operand 5 states. [2018-10-26 22:28:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:45,663 INFO L93 Difference]: Finished difference Result 279 states and 335 transitions. [2018-10-26 22:28:45,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:28:45,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-10-26 22:28:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:45,666 INFO L225 Difference]: With dead ends: 279 [2018-10-26 22:28:45,666 INFO L226 Difference]: Without dead ends: 200 [2018-10-26 22:28:45,667 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:28:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-10-26 22:28:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 181. [2018-10-26 22:28:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-26 22:28:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 208 transitions. [2018-10-26 22:28:45,686 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 208 transitions. Word has length 66 [2018-10-26 22:28:45,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:45,687 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 208 transitions. [2018-10-26 22:28:45,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:28:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 208 transitions. [2018-10-26 22:28:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 22:28:45,689 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:45,689 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:45,689 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:45,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:45,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2020459501, now seen corresponding path program 1 times [2018-10-26 22:28:45,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:45,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:45,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:45,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:45,692 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:46,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:46,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:46,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:28:46,051 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:46,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:28:46,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:28:46,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:28:46,052 INFO L87 Difference]: Start difference. First operand 181 states and 208 transitions. Second operand 6 states. [2018-10-26 22:28:46,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:46,343 INFO L93 Difference]: Finished difference Result 445 states and 540 transitions. [2018-10-26 22:28:46,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:28:46,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-10-26 22:28:46,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:46,347 INFO L225 Difference]: With dead ends: 445 [2018-10-26 22:28:46,347 INFO L226 Difference]: Without dead ends: 288 [2018-10-26 22:28:46,349 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:28:46,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-10-26 22:28:46,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 284. [2018-10-26 22:28:46,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-10-26 22:28:46,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 332 transitions. [2018-10-26 22:28:46,393 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 332 transitions. Word has length 80 [2018-10-26 22:28:46,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:46,393 INFO L481 AbstractCegarLoop]: Abstraction has 284 states and 332 transitions. [2018-10-26 22:28:46,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:28:46,394 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 332 transitions. [2018-10-26 22:28:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 22:28:46,396 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:46,396 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:46,397 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:46,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:46,397 INFO L82 PathProgramCache]: Analyzing trace with hash -95207885, now seen corresponding path program 1 times [2018-10-26 22:28:46,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:46,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:46,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:46,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:46,398 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:46,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:46,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:28:46,561 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:46,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:28:46,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:28:46,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:28:46,562 INFO L87 Difference]: Start difference. First operand 284 states and 332 transitions. Second operand 6 states. [2018-10-26 22:28:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:46,848 INFO L93 Difference]: Finished difference Result 593 states and 720 transitions. [2018-10-26 22:28:46,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:28:46,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-10-26 22:28:46,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:46,861 INFO L225 Difference]: With dead ends: 593 [2018-10-26 22:28:46,861 INFO L226 Difference]: Without dead ends: 436 [2018-10-26 22:28:46,863 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:28:46,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2018-10-26 22:28:46,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 418. [2018-10-26 22:28:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2018-10-26 22:28:46,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 499 transitions. [2018-10-26 22:28:46,901 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 499 transitions. Word has length 84 [2018-10-26 22:28:46,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:46,901 INFO L481 AbstractCegarLoop]: Abstraction has 418 states and 499 transitions. [2018-10-26 22:28:46,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:28:46,901 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 499 transitions. [2018-10-26 22:28:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 22:28:46,905 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:46,905 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:46,906 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:46,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:46,907 INFO L82 PathProgramCache]: Analyzing trace with hash 234557876, now seen corresponding path program 1 times [2018-10-26 22:28:46,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:46,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:46,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:46,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:46,908 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:47,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:47,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:47,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:28:47,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:47,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:28:47,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:28:47,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:28:47,072 INFO L87 Difference]: Start difference. First operand 418 states and 499 transitions. Second operand 5 states. [2018-10-26 22:28:47,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:47,139 INFO L93 Difference]: Finished difference Result 719 states and 876 transitions. [2018-10-26 22:28:47,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:28:47,142 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-10-26 22:28:47,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:47,144 INFO L225 Difference]: With dead ends: 719 [2018-10-26 22:28:47,144 INFO L226 Difference]: Without dead ends: 428 [2018-10-26 22:28:47,145 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:28:47,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2018-10-26 22:28:47,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 422. [2018-10-26 22:28:47,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2018-10-26 22:28:47,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 502 transitions. [2018-10-26 22:28:47,176 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 502 transitions. Word has length 84 [2018-10-26 22:28:47,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:47,176 INFO L481 AbstractCegarLoop]: Abstraction has 422 states and 502 transitions. [2018-10-26 22:28:47,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:28:47,176 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 502 transitions. [2018-10-26 22:28:47,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-26 22:28:47,178 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:47,178 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:47,178 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:47,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:47,179 INFO L82 PathProgramCache]: Analyzing trace with hash 162171318, now seen corresponding path program 1 times [2018-10-26 22:28:47,179 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:47,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:47,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,180 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:47,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:47,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:28:47,281 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:47,281 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:28:47,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:28:47,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:28:47,281 INFO L87 Difference]: Start difference. First operand 422 states and 502 transitions. Second operand 9 states. [2018-10-26 22:28:47,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:47,530 INFO L93 Difference]: Finished difference Result 800 states and 971 transitions. [2018-10-26 22:28:47,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:28:47,534 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-10-26 22:28:47,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:47,536 INFO L225 Difference]: With dead ends: 800 [2018-10-26 22:28:47,536 INFO L226 Difference]: Without dead ends: 402 [2018-10-26 22:28:47,537 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:28:47,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2018-10-26 22:28:47,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 396. [2018-10-26 22:28:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-10-26 22:28:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 469 transitions. [2018-10-26 22:28:47,561 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 469 transitions. Word has length 84 [2018-10-26 22:28:47,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:47,563 INFO L481 AbstractCegarLoop]: Abstraction has 396 states and 469 transitions. [2018-10-26 22:28:47,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:28:47,563 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 469 transitions. [2018-10-26 22:28:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-26 22:28:47,564 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:47,564 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:47,564 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:47,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:47,565 INFO L82 PathProgramCache]: Analyzing trace with hash -1513516452, now seen corresponding path program 1 times [2018-10-26 22:28:47,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:47,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:47,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,566 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:47,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:47,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:47,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 22:28:47,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:47,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:28:47,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:28:47,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:28:47,779 INFO L87 Difference]: Start difference. First operand 396 states and 469 transitions. Second operand 10 states. [2018-10-26 22:28:48,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:48,126 INFO L93 Difference]: Finished difference Result 769 states and 916 transitions. [2018-10-26 22:28:48,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:28:48,128 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2018-10-26 22:28:48,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:48,129 INFO L225 Difference]: With dead ends: 769 [2018-10-26 22:28:48,129 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:28:48,131 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:28:48,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:28:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:28:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:28:48,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:28:48,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2018-10-26 22:28:48,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:48,132 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:28:48,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:28:48,132 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:28:48,132 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:28:48,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:28:48,746 WARN L179 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 16 [2018-10-26 22:28:49,087 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 21 [2018-10-26 22:28:49,240 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-10-26 22:28:49,438 WARN L179 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 29 [2018-10-26 22:28:49,696 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 24 [2018-10-26 22:28:49,974 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 1 [2018-10-26 22:28:50,240 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2018-10-26 22:28:50,429 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-10-26 22:28:50,429 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-10-26 22:28:50,429 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-10-26 22:28:50,429 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-10-26 22:28:50,429 INFO L421 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:28:50,429 INFO L421 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (and (let ((.cse0 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~5 1) .cse0) .cse1 (and (not (= ~waterLevel~0 2)) .cse0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-10-26 22:28:50,429 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 738) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0))) [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point L728-1(line 728) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 722 746) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 743) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 722 746) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-10-26 22:28:50,430 INFO L421 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 (= ~pumpRunning~0 1)))) [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point L741-1(lines 722 746) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 891 897) the Hoare annotation is: true [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 891 897) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 714 720) no Hoare annotation was computed. [2018-10-26 22:28:50,430 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 714 720) the Hoare annotation is: true [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 898 906) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 898 906) the Hoare annotation is: true [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 898 906) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L421 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-10-26 22:28:50,431 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 618 681) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,431 INFO L421 ceAbstractionStarter]: At program point L671(lines 628 673) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~waterLevel~0 2)) (= 0 ~pumpRunning~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0))) [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point L638(lines 638 644) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point L638-1(lines 638 644) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 618 681) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point L630(lines 630 634) no Hoare annotation was computed. [2018-10-26 22:28:50,431 INFO L425 ceAbstractionStarter]: For program point L628-1(lines 628 673) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L421 ceAbstractionStarter]: At program point L674(lines 627 675) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 668) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L421 ceAbstractionStarter]: At program point L664-2(lines 658 669) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point L629(lines 628 673) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 669) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) .cse0))) [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 654) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 618 681) no Hoare annotation was computed. [2018-10-26 22:28:50,432 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L421 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-10-26 22:28:50,433 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L421 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-10-26 22:28:50,433 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,433 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 774 782) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 774 782) the Hoare annotation is: true [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 774 782) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 747 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:28:50,434 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-10-26 22:28:50,434 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 819 837) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L428 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: true [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point L828-2(lines 828 832) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point L826-1(line 826) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 819 837) the Hoare annotation is: true [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 819 837) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-10-26 22:28:50,435 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L428 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 153 167) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L428 ceAbstractionStarter]: At program point L153-3(lines 153 167) the Hoare annotation is: true [2018-10-26 22:28:50,436 INFO L428 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L428 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-10-26 22:28:50,436 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-10-26 22:28:50,436 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 22:28:50,437 INFO L421 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= 1 ~waterLevel~0) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= 0 ~pumpRunning~0) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)) (or (= |old(~waterLevel~0)| 2) .cse0 .cse1 (not (= ~waterLevel~0 2))))) [2018-10-26 22:28:50,437 INFO L421 ceAbstractionStarter]: At program point L701(lines 701 707) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= 0 ~pumpRunning~0))) (or (= |old(~waterLevel~0)| 2) .cse0 .cse3 .cse2) (or .cse0 (= 1 ~waterLevel~0) .cse2 (not (= |old(~waterLevel~0)| 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1))) [2018-10-26 22:28:50,437 INFO L421 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= ~pumpRunning~0 1)) (or .cse1 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-10-26 22:28:50,437 INFO L425 ceAbstractionStarter]: For program point L694(lines 693 712) no Hoare annotation was computed. [2018-10-26 22:28:50,437 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 690 713) the Hoare annotation is: (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse5 .cse2 .cse3 .cse6) (or .cse4 (= 0 ~pumpRunning~0) .cse3) (or .cse2 .cse3 (= ~pumpRunning~0 1)) (or .cse0 .cse4 .cse3 .cse1))) [2018-10-26 22:28:50,437 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 690 713) no Hoare annotation was computed. [2018-10-26 22:28:50,437 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 690 713) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L421 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~waterLevel~0 2) (not (= 0 ~pumpRunning~0)) .cse0) (or (not (= 1 ~pumpRunning~0)) .cse0))) [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 839 871) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point L858(lines 858 864) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 839 871) the Hoare annotation is: true [2018-10-26 22:28:50,438 INFO L421 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1))) [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point L856-1(line 856) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 867) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 839 871) no Hoare annotation was computed. [2018-10-26 22:28:50,438 INFO L428 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: true [2018-10-26 22:28:50,438 INFO L425 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 868) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L428 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: true [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point L846-1(line 846) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 884 890) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 884 890) the Hoare annotation is: true [2018-10-26 22:28:50,439 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:28:50,439 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-10-26 22:28:50,439 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-10-26 22:28:50,440 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-10-26 22:28:50,440 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= |old(~waterLevel~0)| 2)) (.cse5 (not (= ~waterLevel~0 2))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse1 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2))) [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 609 616) no Hoare annotation was computed. [2018-10-26 22:28:50,440 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 609 616) the Hoare annotation is: true [2018-10-26 22:28:50,440 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2018-10-26 22:28:50,441 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 609 616) no Hoare annotation was computed. [2018-10-26 22:28:50,441 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-10-26 22:28:50,441 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-10-26 22:28:50,441 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-10-26 22:28:50,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:28:50 BoogieIcfgContainer [2018-10-26 22:28:50,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:28:50,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:28:50,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:28:50,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:28:50,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:42" (3/4) ... [2018-10-26 22:28:50,463 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:28:50,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 22:28:50,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:28:50,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:28:50,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:28:50,468 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:28:50,469 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:28:50,470 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:28:50,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:28:50,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:28:50,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:28:50,472 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:28:50,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 22:28:50,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:28:50,484 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:28:50,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) [2018-10-26 22:28:50,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-10-26 22:28:50,562 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d28a935f-9b2e-4cf0-b6b1-68d65506bf4d/bin-2019/utaipan/witness.graphml [2018-10-26 22:28:50,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:28:50,563 INFO L168 Benchmark]: Toolchain (without parser) took 9479.78 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 961.2 MB in the beginning and 1.2 GB in the end (delta: -230.8 MB). Peak memory consumption was 74.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,564 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:28:50,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.85 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,564 INFO L168 Benchmark]: Boogie Preprocessor took 42.65 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,565 INFO L168 Benchmark]: RCFGBuilder took 1059.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,565 INFO L168 Benchmark]: TraceAbstraction took 7759.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -167.3 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,565 INFO L168 Benchmark]: Witness Printer took 107.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:50,570 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.85 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -190.0 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.65 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: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1059.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.6 MB). Peak memory consumption was 86.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7759.22 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -167.3 MB). Peak memory consumption was 323.1 MB. Max. memory is 11.5 GB. * Witness Printer took 107.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: 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: 628]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((!(waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || (pumpRunning == 1 && splverifierCounter == 0) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 627]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 126 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 9 OverallIterations, 1 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1170 SDtfs, 594 SDslu, 3621 SDs, 0 SdLazy, 608 SolverSat, 157 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=422occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 53 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 758 PreInvPairs, 808 NumberOfFragments, 849 HoareAnnotationTreeSize, 758 FomulaSimplifications, 519 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 3043 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 73655 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...