./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/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 69211a6a9810795915a638c419bc12fc6aa00ac5 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:16:19,759 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:16:19,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:16:19,772 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:16:19,772 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:16:19,773 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:16:19,774 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:16:19,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:16:19,780 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:16:19,781 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:16:19,782 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:16:19,782 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:16:19,783 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:16:19,783 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:16:19,784 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:16:19,786 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:16:19,786 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:16:19,788 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:16:19,790 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:16:19,791 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:16:19,792 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:16:19,793 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:16:19,795 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:16:19,795 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:16:19,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:16:19,796 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:16:19,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:16:19,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:16:19,799 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:16:19,800 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:16:19,800 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:16:19,801 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:16:19,802 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:16:19,802 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:16:19,802 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:16:19,803 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:16:19,803 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:16:19,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:16:19,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:16:19,814 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:16:19,815 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:16:19,815 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:16:19,816 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:16:19,816 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:16:19,816 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:16:19,818 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:16:19,818 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:16:19,818 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:16:19,818 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:16:19,818 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:16:19,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:16:19,819 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:16:19,820 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:16:19,820 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:16:19,820 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:16:19,820 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:16:19,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:16:19,820 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:16:19,820 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:16:19,821 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:16:19,821 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:16:19,821 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:16:19,821 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:16:19,821 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:16:19,821 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_34d6ca04-91b1-4059-896d-8ad4beff9135/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 -> 69211a6a9810795915a638c419bc12fc6aa00ac5 [2018-11-18 09:16:19,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:16:19,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:16:19,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:16:19,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:16:19,873 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:16:19,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 09:16:19,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/data/14e56233a/8a02720d2fbd4480bcd39ebb3d1cd8a7/FLAG59a229041 [2018-11-18 09:16:20,313 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:16:20,313 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/sv-benchmarks/c/product-lines/minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 09:16:20,326 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/data/14e56233a/8a02720d2fbd4480bcd39ebb3d1cd8a7/FLAG59a229041 [2018-11-18 09:16:20,757 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/data/14e56233a/8a02720d2fbd4480bcd39ebb3d1cd8a7 [2018-11-18 09:16:20,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:16:20,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:16:20,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:16:20,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:16:20,763 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:16:20,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:16:20" (1/1) ... [2018-11-18 09:16:20,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@493d916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:20, skipping insertion in model container [2018-11-18 09:16:20,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:16:20" (1/1) ... [2018-11-18 09:16:20,772 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:16:20,805 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:16:21,062 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:16:21,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:16:21,127 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:16:21,203 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:16:21,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21 WrapperNode [2018-11-18 09:16:21,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:16:21,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:16:21,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:16:21,204 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:16:21,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:16:21,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:16:21,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:16:21,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:16:21,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... [2018-11-18 09:16:21,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:16:21,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:16:21,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:16:21,254 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:16:21,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:16:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:16:21,319 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:16:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:16:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:16:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:16:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:16:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:16:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:16:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:16:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:16:21,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:16:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:16:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:16:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:16:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:16:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:16:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:16:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:16:21,321 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:16:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:16:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:16:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:16:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:16:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:16:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:16:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:16:21,322 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:16:21,322 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:16:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:16:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:16:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:16:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:16:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:16:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:16:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:16:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:16:21,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:16:21,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:16:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:16:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:16:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:16:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:16:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:16:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:16:21,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:16:21,324 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:16:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:16:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:16:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:16:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:16:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:16:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:16:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:16:21,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:16:21,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:16:21,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:16:21,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:16:21,960 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:16:21,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:21 BoogieIcfgContainer [2018-11-18 09:16:21,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:16:21,961 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:16:21,961 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:16:21,965 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:16:21,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:16:20" (1/3) ... [2018-11-18 09:16:21,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d18868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:16:21, skipping insertion in model container [2018-11-18 09:16:21,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:16:21" (2/3) ... [2018-11-18 09:16:21,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30d18868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:16:21, skipping insertion in model container [2018-11-18 09:16:21,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:21" (3/3) ... [2018-11-18 09:16:21,971 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36_true-unreach-call_false-termination.cil.c [2018-11-18 09:16:21,981 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:16:21,991 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:16:22,006 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:16:22,037 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:16:22,037 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:16:22,037 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:16:22,037 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:16:22,037 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:16:22,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:16:22,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:16:22,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:16:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-11-18 09:16:22,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:16:22,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:22,067 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:22,069 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:22,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:22,075 INFO L82 PathProgramCache]: Analyzing trace with hash -1312265409, now seen corresponding path program 1 times [2018-11-18 09:16:22,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:22,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:22,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:22,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:22,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:22,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:16:22,370 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:22,375 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:16:22,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:16:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:16:22,391 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-11-18 09:16:22,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:22,428 INFO L93 Difference]: Finished difference Result 256 states and 315 transitions. [2018-11-18 09:16:22,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:16:22,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 09:16:22,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:22,446 INFO L225 Difference]: With dead ends: 256 [2018-11-18 09:16:22,447 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 09:16:22,451 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:16:22,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 09:16:22,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 09:16:22,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 09:16:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-11-18 09:16:22,520 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 59 [2018-11-18 09:16:22,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:22,521 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-11-18 09:16:22,521 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:16:22,521 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-11-18 09:16:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:16:22,526 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:22,526 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:22,527 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:22,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:22,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1812000137, now seen corresponding path program 1 times [2018-11-18 09:16:22,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:22,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:22,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,529 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:22,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:22,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:16:22,694 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:22,695 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:16:22,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:16:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:16:22,696 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-11-18 09:16:22,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:22,731 INFO L93 Difference]: Finished difference Result 190 states and 221 transitions. [2018-11-18 09:16:22,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:16:22,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 09:16:22,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:22,733 INFO L225 Difference]: With dead ends: 190 [2018-11-18 09:16:22,733 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 09:16:22,734 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:16:22,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 09:16:22,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 09:16:22,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 09:16:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2018-11-18 09:16:22,746 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 61 [2018-11-18 09:16:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:22,746 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2018-11-18 09:16:22,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:16:22,746 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2018-11-18 09:16:22,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:16:22,747 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:22,748 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:22,748 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:22,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:22,748 INFO L82 PathProgramCache]: Analyzing trace with hash 529115869, now seen corresponding path program 1 times [2018-11-18 09:16:22,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:22,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:22,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:22,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:22,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:22,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:16:22,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:22,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:16:22,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:16:22,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:16:22,976 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 7 states. [2018-11-18 09:16:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:23,730 INFO L93 Difference]: Finished difference Result 361 states and 435 transitions. [2018-11-18 09:16:23,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:16:23,731 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 09:16:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:23,735 INFO L225 Difference]: With dead ends: 361 [2018-11-18 09:16:23,735 INFO L226 Difference]: Without dead ends: 269 [2018-11-18 09:16:23,736 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:16:23,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-11-18 09:16:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 245. [2018-11-18 09:16:23,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-18 09:16:23,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 293 transitions. [2018-11-18 09:16:23,770 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 293 transitions. Word has length 66 [2018-11-18 09:16:23,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:23,771 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 293 transitions. [2018-11-18 09:16:23,771 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:16:23,771 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 293 transitions. [2018-11-18 09:16:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:16:23,775 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:23,775 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:23,775 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:23,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:23,776 INFO L82 PathProgramCache]: Analyzing trace with hash -2116756125, now seen corresponding path program 1 times [2018-11-18 09:16:23,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:23,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:23,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:23,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:23,778 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:16:23,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:23,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:16:23,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:23,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:16:23,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:16:23,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:16:23,958 INFO L87 Difference]: Start difference. First operand 245 states and 293 transitions. Second operand 7 states. [2018-11-18 09:16:24,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:24,598 INFO L93 Difference]: Finished difference Result 629 states and 802 transitions. [2018-11-18 09:16:24,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:16:24,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 09:16:24,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:24,601 INFO L225 Difference]: With dead ends: 629 [2018-11-18 09:16:24,601 INFO L226 Difference]: Without dead ends: 412 [2018-11-18 09:16:24,602 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:16:24,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-11-18 09:16:24,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 361. [2018-11-18 09:16:24,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-18 09:16:24,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 431 transitions. [2018-11-18 09:16:24,641 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 431 transitions. Word has length 71 [2018-11-18 09:16:24,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:24,641 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 431 transitions. [2018-11-18 09:16:24,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:16:24,642 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 431 transitions. [2018-11-18 09:16:24,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 09:16:24,644 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:24,644 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:24,646 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:24,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash -24069652, now seen corresponding path program 1 times [2018-11-18 09:16:24,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:24,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:24,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:24,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:24,647 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:24,774 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:24,774 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:16:24,774 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:24,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:16:24,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:16:24,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:16:24,775 INFO L87 Difference]: Start difference. First operand 361 states and 431 transitions. Second operand 6 states. [2018-11-18 09:16:24,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:24,827 INFO L93 Difference]: Finished difference Result 704 states and 855 transitions. [2018-11-18 09:16:24,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:16:24,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 09:16:24,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:24,832 INFO L225 Difference]: With dead ends: 704 [2018-11-18 09:16:24,832 INFO L226 Difference]: Without dead ends: 371 [2018-11-18 09:16:24,834 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:16:24,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-18 09:16:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-11-18 09:16:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 09:16:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 441 transitions. [2018-11-18 09:16:24,858 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 441 transitions. Word has length 89 [2018-11-18 09:16:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:24,858 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 441 transitions. [2018-11-18 09:16:24,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:16:24,859 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 441 transitions. [2018-11-18 09:16:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 09:16:24,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:24,862 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:24,862 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:24,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:24,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1362133742, now seen corresponding path program 1 times [2018-11-18 09:16:24,862 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:24,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:24,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:24,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:24,863 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:25,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:25,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:25,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:16:25,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:25,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:16:25,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:16:25,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:16:25,082 INFO L87 Difference]: Start difference. First operand 371 states and 441 transitions. Second operand 8 states. [2018-11-18 09:16:25,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:25,134 INFO L93 Difference]: Finished difference Result 728 states and 890 transitions. [2018-11-18 09:16:25,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:16:25,137 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-11-18 09:16:25,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:25,140 INFO L225 Difference]: With dead ends: 728 [2018-11-18 09:16:25,142 INFO L226 Difference]: Without dead ends: 385 [2018-11-18 09:16:25,143 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:16:25,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-11-18 09:16:25,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2018-11-18 09:16:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 09:16:25,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 449 transitions. [2018-11-18 09:16:25,177 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 449 transitions. Word has length 89 [2018-11-18 09:16:25,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:25,181 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 449 transitions. [2018-11-18 09:16:25,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:16:25,181 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 449 transitions. [2018-11-18 09:16:25,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 09:16:25,183 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:25,183 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:25,183 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:25,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:25,183 INFO L82 PathProgramCache]: Analyzing trace with hash -821543185, now seen corresponding path program 1 times [2018-11-18 09:16:25,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:25,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:25,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:25,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:25,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:25,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:25,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:25,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:16:25,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:25,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:16:25,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:16:25,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:16:25,413 INFO L87 Difference]: Start difference. First operand 379 states and 449 transitions. Second operand 4 states. [2018-11-18 09:16:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:26,137 INFO L93 Difference]: Finished difference Result 1224 states and 1517 transitions. [2018-11-18 09:16:26,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:16:26,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-11-18 09:16:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:26,143 INFO L225 Difference]: With dead ends: 1224 [2018-11-18 09:16:26,143 INFO L226 Difference]: Without dead ends: 873 [2018-11-18 09:16:26,145 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:16:26,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2018-11-18 09:16:26,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 856. [2018-11-18 09:16:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2018-11-18 09:16:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1035 transitions. [2018-11-18 09:16:26,215 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1035 transitions. Word has length 89 [2018-11-18 09:16:26,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:26,215 INFO L480 AbstractCegarLoop]: Abstraction has 856 states and 1035 transitions. [2018-11-18 09:16:26,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:16:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1035 transitions. [2018-11-18 09:16:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 09:16:26,219 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:26,219 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:26,219 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:26,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:26,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1842348183, now seen corresponding path program 1 times [2018-11-18 09:16:26,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:26,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:26,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:26,220 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:26,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:26,506 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 6 [2018-11-18 09:16:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:16:26,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:26,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:16:26,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:26,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:16:26,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:16:26,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:16:26,566 INFO L87 Difference]: Start difference. First operand 856 states and 1035 transitions. Second operand 9 states. [2018-11-18 09:16:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:28,504 INFO L93 Difference]: Finished difference Result 2360 states and 2985 transitions. [2018-11-18 09:16:28,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:16:28,511 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2018-11-18 09:16:28,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:28,518 INFO L225 Difference]: With dead ends: 2360 [2018-11-18 09:16:28,518 INFO L226 Difference]: Without dead ends: 1711 [2018-11-18 09:16:28,521 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:16:28,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2018-11-18 09:16:28,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1507. [2018-11-18 09:16:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1507 states. [2018-11-18 09:16:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1507 states and 1803 transitions. [2018-11-18 09:16:28,598 INFO L78 Accepts]: Start accepts. Automaton has 1507 states and 1803 transitions. Word has length 93 [2018-11-18 09:16:28,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:28,598 INFO L480 AbstractCegarLoop]: Abstraction has 1507 states and 1803 transitions. [2018-11-18 09:16:28,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:16:28,598 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 1803 transitions. [2018-11-18 09:16:28,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 09:16:28,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:28,602 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:28,602 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:28,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:28,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1755899749, now seen corresponding path program 1 times [2018-11-18 09:16:28,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:28,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:28,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:28,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:28,604 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:29,042 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:16:29,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:16:29,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:16:29,043 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 09:16:29,044 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [95], [101], [105], [109], [112], [115], [117], [123], [125], [131], [137], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [199], [202], [206], [212], [215], [219], [220], [228], [232], [233], [236], [237], [238], [239], [240], [241], [242], [244], [245], [246], [247], [248], [249], [250], [251], [252], [256], [257], [258], [260], [261], [262], [263], [266], [267], [268], [269], [276], [277], [280], [281], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296] [2018-11-18 09:16:29,082 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:16:29,082 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:16:30,573 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:16:30,574 INFO L272 AbstractInterpreter]: Visited 106 different actions 429 times. Merged at 17 different actions 48 times. Never widened. Performed 15577 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15577 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 09:16:30,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:30,629 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:16:30,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:16:30,629 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:16:30,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:30,644 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:16:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:30,849 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:16:31,575 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:16:31,575 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:16:32,168 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 09:16:32,185 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:16:32,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 09:16:32,185 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:16:32,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:16:32,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:16:32,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:16:32,186 INFO L87 Difference]: Start difference. First operand 1507 states and 1803 transitions. Second operand 16 states. [2018-11-18 09:16:35,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:35,158 INFO L93 Difference]: Finished difference Result 3221 states and 4004 transitions. [2018-11-18 09:16:35,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 09:16:35,158 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2018-11-18 09:16:35,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:35,166 INFO L225 Difference]: With dead ends: 3221 [2018-11-18 09:16:35,166 INFO L226 Difference]: Without dead ends: 1915 [2018-11-18 09:16:35,170 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 268 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 09:16:35,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1915 states. [2018-11-18 09:16:35,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1915 to 1494. [2018-11-18 09:16:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2018-11-18 09:16:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1741 transitions. [2018-11-18 09:16:35,274 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1741 transitions. Word has length 138 [2018-11-18 09:16:35,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:35,275 INFO L480 AbstractCegarLoop]: Abstraction has 1494 states and 1741 transitions. [2018-11-18 09:16:35,275 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:16:35,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1741 transitions. [2018-11-18 09:16:35,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-11-18 09:16:35,282 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:35,282 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:35,282 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:35,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1112062501, now seen corresponding path program 1 times [2018-11-18 09:16:35,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:35,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:35,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:35,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:35,284 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:35,428 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2018-11-18 09:16:35,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:16:35,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:16:35,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:16:35,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:16:35,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:16:35,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:16:35,430 INFO L87 Difference]: Start difference. First operand 1494 states and 1741 transitions. Second operand 3 states. [2018-11-18 09:16:35,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:35,587 INFO L93 Difference]: Finished difference Result 2367 states and 2763 transitions. [2018-11-18 09:16:35,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:16:35,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 248 [2018-11-18 09:16:35,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:35,594 INFO L225 Difference]: With dead ends: 2367 [2018-11-18 09:16:35,594 INFO L226 Difference]: Without dead ends: 936 [2018-11-18 09:16:35,598 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:16:35,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2018-11-18 09:16:35,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 916. [2018-11-18 09:16:35,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-11-18 09:16:35,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1051 transitions. [2018-11-18 09:16:35,648 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1051 transitions. Word has length 248 [2018-11-18 09:16:35,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:35,652 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1051 transitions. [2018-11-18 09:16:35,652 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:16:35,652 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1051 transitions. [2018-11-18 09:16:35,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-11-18 09:16:35,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:16:35,659 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:16:35,659 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:16:35,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash -500880894, now seen corresponding path program 1 times [2018-11-18 09:16:35,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:16:35,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:35,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:35,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:16:35,660 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:16:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:36,036 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 130 proven. 14 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-18 09:16:36,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:16:36,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:16:36,037 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 285 with the following transitions: [2018-11-18 09:16:36,037 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [64], [65], [69], [70], [71], [74], [76], [79], [86], [89], [90], [91], [95], [101], [105], [109], [112], [115], [117], [123], [125], [128], [131], [134], [137], [145], [146], [147], [148], [149], [150], [151], [153], [158], [160], [161], [199], [202], [206], [209], [212], [215], [219], [220], [224], [225], [228], [232], [233], [236], [237], [238], [239], [240], [241], [242], [244], [245], [246], [247], [248], [249], [250], [251], [252], [254], [255], [256], [257], [258], [260], [261], [262], [263], [266], [267], [268], [269], [272], [273], [274], [275], [276], [277], [280], [281], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296] [2018-11-18 09:16:36,041 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:16:36,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:16:38,993 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:16:38,993 INFO L272 AbstractInterpreter]: Visited 122 different actions 1547 times. Merged at 25 different actions 174 times. Widened at 1 different actions 1 times. Performed 66135 root evaluator evaluations with a maximum evaluation depth of 3. Performed 66135 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 54 fixpoints after 9 different actions. Largest state had 135 variables. [2018-11-18 09:16:38,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:16:38,994 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:16:38,994 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:16:38,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:16:39,003 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:16:39,003 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:16:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:16:39,141 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:16:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 250 proven. 5 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-18 09:16:39,498 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:16:39,962 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 110 proven. 49 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-18 09:16:39,978 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:16:39,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-18 09:16:39,978 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:16:39,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 09:16:39,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 09:16:39,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-11-18 09:16:39,980 INFO L87 Difference]: Start difference. First operand 916 states and 1051 transitions. Second operand 19 states. [2018-11-18 09:16:41,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:16:41,610 INFO L93 Difference]: Finished difference Result 2339 states and 2985 transitions. [2018-11-18 09:16:41,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 09:16:41,610 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 284 [2018-11-18 09:16:41,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:16:41,611 INFO L225 Difference]: With dead ends: 2339 [2018-11-18 09:16:41,611 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:16:41,616 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 609 GetRequests, 555 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 09:16:41,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:16:41,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:16:41,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:16:41,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:16:41,617 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2018-11-18 09:16:41,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:16:41,618 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:16:41,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 09:16:41,618 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:16:41,620 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:16:41,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:16:41,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:41,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:41,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:41,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:42,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:16:43,007 WARN L180 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-11-18 09:16:43,301 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-18 09:16:43,524 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-18 09:16:44,006 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 1 [2018-11-18 09:16:44,466 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-11-18 09:16:44,881 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 36 [2018-11-18 09:16:45,036 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 35 [2018-11-18 09:16:45,213 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-18 09:16:45,659 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-11-18 09:16:45,878 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-18 09:16:46,385 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-11-18 09:16:46,539 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point L829(line 829) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2018-11-18 09:16:46,539 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L421 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-11-18 09:16:46,540 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 853) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 856) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (= __utac_acc__Specification5_spec__3_~tmp~7 ~waterLevel~0)) (.cse3 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4 .cse5) (or .cse3 .cse6 (or .cse7 .cse4) .cse5) (or .cse6 .cse4 (or .cse7 .cse2)) (or .cse5 .cse3 (or .cse7 .cse1 .cse4)) (or .cse7 .cse1 .cse4 .cse2))) [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L844-1(line 844) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L842(lines 842 859) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L428 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: true [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L421 ceAbstractionStarter]: At program point L802-1(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L800(lines 800 807) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2018-11-18 09:16:46,540 INFO L425 ceAbstractionStarter]: For program point L798(line 798) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point L796-1(line 796) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point L802(line 802) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L421 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 09:16:46,541 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (let ((.cse2 (< 1 ~waterLevel~0)) (.cse1 (and (= processEnvironment_~tmp~0 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse4))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4) (or .cse2 .cse1 .cse0)))) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 154) no Hoare annotation was computed. [2018-11-18 09:16:46,542 INFO L421 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-18 09:16:46,542 INFO L425 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point L142(lines 142 159) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2018-11-18 09:16:46,543 INFO L421 ceAbstractionStarter]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:16:46,543 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,543 INFO L421 ceAbstractionStarter]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point L667(lines 667 673) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point L659(lines 659 663) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L425 ceAbstractionStarter]: For program point L657-1(lines 657 706) no Hoare annotation was computed. [2018-11-18 09:16:46,543 INFO L421 ceAbstractionStarter]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:16:46,543 INFO L421 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 701) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L421 ceAbstractionStarter]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point L658(lines 657 706) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L421 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point L687(lines 687 702) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2 .cse5) (and (= ~systemActive~0 0) .cse0 .cse3 .cse2 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 683) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2018-11-18 09:16:46,544 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-18 09:16:46,545 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point L242-1(line 242) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2018-11-18 09:16:46,545 INFO L425 ceAbstractionStarter]: For program point L244(lines 244 248) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point L242(line 242) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 735) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L727-1(lines 727 741) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point L727-3(lines 727 741) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L723-1(line 723) no Hoare annotation was computed. [2018-11-18 09:16:46,546 INFO L428 ceAbstractionStarter]: At program point L742(lines 717 746) the Hoare annotation is: true [2018-11-18 09:16:46,546 INFO L425 ceAbstractionStarter]: For program point L738(line 738) no Hoare annotation was computed. [2018-11-18 09:16:46,547 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2018-11-18 09:16:46,547 INFO L425 ceAbstractionStarter]: For program point L728(line 728) no Hoare annotation was computed. [2018-11-18 09:16:46,547 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-11-18 09:16:46,547 INFO L421 ceAbstractionStarter]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-11-18 09:16:46,547 INFO L421 ceAbstractionStarter]: At program point L112(line 112) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-11-18 09:16:46,547 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse9 (or .cse7 .cse2 .cse3)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= 0 ~pumpRunning~0) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4) (or .cse10 .cse5 .cse7 .cse6) (or .cse7 .cse2 .cse6 .cse11) (or .cse10 .cse9 .cse6) (or .cse12 (or (or .cse2 .cse8) .cse1)) (or .cse10 .cse1 .cse2 .cse3 .cse12) (or .cse4 .cse5 (or .cse7 .cse3) .cse0) (or .cse6 (or .cse7 .cse2 .cse8)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse11)))) [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point L110(lines 106 128) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point L108(lines 106 128) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:16:46,548 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 09:16:46,548 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:16:46,548 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: true [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-18 09:16:46,549 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-18 09:16:46,549 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-18 09:16:46,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:16:46 BoogieIcfgContainer [2018-11-18 09:16:46,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:16:46,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:16:46,561 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:16:46,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:16:46,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:16:21" (3/4) ... [2018-11-18 09:16:46,564 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:16:46,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:16:46,568 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:16:46,569 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:16:46,570 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:16:46,571 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:16:46,571 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:16:46,571 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:16:46,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 09:16:46,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:16:46,577 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:16:46,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 09:16:46,600 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 09:16:46,644 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_34d6ca04-91b1-4059-896d-8ad4beff9135/bin-2019/utaipan/witness.graphml [2018-11-18 09:16:46,645 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:16:46,645 INFO L168 Benchmark]: Toolchain (without parser) took 25885.69 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 900.7 MB). Free memory was 950.4 MB in the beginning and 1.3 GB in the end (delta: -316.7 MB). Peak memory consumption was 584.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,646 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:16:46,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 442.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -202.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,646 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:16:46,646 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,647 INFO L168 Benchmark]: RCFGBuilder took 706.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,647 INFO L168 Benchmark]: TraceAbstraction took 24598.77 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 740.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -199.2 MB). Peak memory consumption was 803.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,647 INFO L168 Benchmark]: Witness Printer took 84.19 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:16:46,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 442.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 950.4 MB in the beginning and 1.2 GB in the end (delta: -202.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 706.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 60.0 MB). Peak memory consumption was 60.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24598.77 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 740.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -199.2 MB). Peak memory consumption was 803.2 MB. Max. memory is 11.5 GB. * Witness Printer took 84.19 ms. Allocated memory is still 1.9 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. SAFE Result, 24.5s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 9.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2017 SDtfs, 1705 SDslu, 6086 SDs, 0 SdLazy, 4473 SolverSat, 731 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1008 GetRequests, 861 SyntacticMatches, 18 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1507occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.5s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 743 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 2662 PreInvPairs, 3013 NumberOfFragments, 2509 HoareAnnotationTreeSize, 2662 FomulaSimplifications, 30262 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 58 FomulaSimplificationsInter, 21032 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 1709 NumberOfCodeBlocks, 1709 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2116 ConstructedInterpolants, 0 QuantifiedInterpolants, 627406 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1933 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1446/1537 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...