./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_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_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:35:01,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:35:01,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:35:01,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:35:01,219 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:35:01,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:35:01,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:35:01,222 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:35:01,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:35:01,223 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:35:01,224 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:35:01,224 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:35:01,225 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:35:01,226 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:35:01,227 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:35:01,227 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:35:01,228 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:35:01,230 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:35:01,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:35:01,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:35:01,233 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:35:01,234 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:35:01,236 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:35:01,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:35:01,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:35:01,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:35:01,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:35:01,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:35:01,239 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:35:01,240 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:35:01,240 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:35:01,241 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:35:01,242 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:35:01,242 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:35:01,242 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:35:01,243 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:35:01,244 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:35:01,252 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:35:01,252 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:35:01,252 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:35:01,252 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:35:01,253 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:35:01,253 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:35:01,254 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:35:01,254 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:35:01,254 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:35:01,254 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:35:01,254 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:35:01,254 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:35:01,255 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:35:01,256 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:35:01,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:35:01,256 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:35:01,257 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:35:01,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:35:01,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:35:01,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:35:01,257 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_77e4301d-6ae8-4693-99e7-5de81fd568e8/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2018-11-18 12:35:01,278 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:35:01,288 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:35:01,290 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:35:01,292 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:35:01,292 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:35:01,292 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 12:35:01,330 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/data/77d04a1c2/402a6177830c40889a583798a1c1ce61/FLAG9e80c90ac [2018-11-18 12:35:01,758 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:35:01,758 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/sv-benchmarks/c/product-lines/minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 12:35:01,765 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/data/77d04a1c2/402a6177830c40889a583798a1c1ce61/FLAG9e80c90ac [2018-11-18 12:35:01,773 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/data/77d04a1c2/402a6177830c40889a583798a1c1ce61 [2018-11-18 12:35:01,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:35:01,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:35:01,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:01,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:35:01,779 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:35:01,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:01" (1/1) ... [2018-11-18 12:35:01,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:01, skipping insertion in model container [2018-11-18 12:35:01,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:35:01" (1/1) ... [2018-11-18 12:35:01,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:35:01,816 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:35:01,999 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:02,007 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:35:02,114 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:35:02,130 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:35:02,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02 WrapperNode [2018-11-18 12:35:02,130 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:35:02,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:35:02,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:35:02,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:35:02,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,147 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:35:02,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:35:02,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:35:02,155 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:35:02,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,174 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... [2018-11-18 12:35:02,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:35:02,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:35:02,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:35:02,184 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:35:02,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/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 12:35:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:35:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:35:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:35:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:35:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:35:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:35:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:35:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:35:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 12:35:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 12:35:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:35:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:35:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:35:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:35:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:35:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:35:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:35:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:35:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:35:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:35:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:35:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:35:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:35:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:35:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:35:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:35:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:35:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:35:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:35:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:35:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:35:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:35:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:35:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:35:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:35:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:35:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:35:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:35:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:35:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:35:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:35:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:35:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:35:02,230 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:35:02,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:35:02,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:35:02,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:02 BoogieIcfgContainer [2018-11-18 12:35:02,627 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:35:02,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:35:02,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:35:02,630 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:35:02,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:35:01" (1/3) ... [2018-11-18 12:35:02,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c2f8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:02, skipping insertion in model container [2018-11-18 12:35:02,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:35:02" (2/3) ... [2018-11-18 12:35:02,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50c2f8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:35:02, skipping insertion in model container [2018-11-18 12:35:02,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:02" (3/3) ... [2018-11-18 12:35:02,633 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product04_true-unreach-call_false-termination.cil.c [2018-11-18 12:35:02,642 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:35:02,649 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:35:02,663 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:35:02,691 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:35:02,691 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:35:02,691 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:35:02,691 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:35:02,691 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:35:02,692 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:35:02,692 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:35:02,692 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:35:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-18 12:35:02,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 12:35:02,716 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:02,716 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:02,718 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:02,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:02,724 INFO L82 PathProgramCache]: Analyzing trace with hash 1458402950, now seen corresponding path program 1 times [2018-11-18 12:35:02,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:02,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:02,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:02,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:02,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:02,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:02,936 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:02,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:35:02,936 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:02,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:35:02,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:35:02,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:35:02,950 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-18 12:35:02,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:02,974 INFO L93 Difference]: Finished difference Result 192 states and 237 transitions. [2018-11-18 12:35:02,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:35:02,975 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 12:35:02,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:02,985 INFO L225 Difference]: With dead ends: 192 [2018-11-18 12:35:02,985 INFO L226 Difference]: Without dead ends: 96 [2018-11-18 12:35:02,988 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 12:35:02,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-11-18 12:35:03,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-11-18 12:35:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-11-18 12:35:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 110 transitions. [2018-11-18 12:35:03,019 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 110 transitions. Word has length 46 [2018-11-18 12:35:03,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:03,019 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 110 transitions. [2018-11-18 12:35:03,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:35:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 110 transitions. [2018-11-18 12:35:03,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 12:35:03,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:03,023 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:03,023 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:03,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:03,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1392773102, now seen corresponding path program 1 times [2018-11-18 12:35:03,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:03,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:03,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:03,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:03,123 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:03,123 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:35:03,124 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:03,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:35:03,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:35:03,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:35:03,126 INFO L87 Difference]: Start difference. First operand 96 states and 110 transitions. Second operand 3 states. [2018-11-18 12:35:03,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:03,142 INFO L93 Difference]: Finished difference Result 126 states and 143 transitions. [2018-11-18 12:35:03,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:35:03,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 12:35:03,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:03,144 INFO L225 Difference]: With dead ends: 126 [2018-11-18 12:35:03,144 INFO L226 Difference]: Without dead ends: 86 [2018-11-18 12:35:03,145 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 12:35:03,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-18 12:35:03,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 12:35:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 12:35:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2018-11-18 12:35:03,154 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 48 [2018-11-18 12:35:03,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:03,155 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2018-11-18 12:35:03,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:35:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2018-11-18 12:35:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:35:03,156 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:03,156 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:03,156 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:03,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:03,157 INFO L82 PathProgramCache]: Analyzing trace with hash 51592349, now seen corresponding path program 1 times [2018-11-18 12:35:03,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:03,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:03,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:03,308 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:03,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:35:03,308 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:03,309 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:35:03,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:35:03,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:35:03,309 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 7 states. [2018-11-18 12:35:03,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:03,579 INFO L93 Difference]: Finished difference Result 261 states and 312 transitions. [2018-11-18 12:35:03,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:35:03,579 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-18 12:35:03,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:03,581 INFO L225 Difference]: With dead ends: 261 [2018-11-18 12:35:03,581 INFO L226 Difference]: Without dead ends: 199 [2018-11-18 12:35:03,582 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:35:03,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-11-18 12:35:03,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 175. [2018-11-18 12:35:03,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-18 12:35:03,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 207 transitions. [2018-11-18 12:35:03,608 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 207 transitions. Word has length 53 [2018-11-18 12:35:03,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:03,609 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 207 transitions. [2018-11-18 12:35:03,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:35:03,609 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 207 transitions. [2018-11-18 12:35:03,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 12:35:03,611 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:03,611 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:03,611 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:03,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:03,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1038124037, now seen corresponding path program 1 times [2018-11-18 12:35:03,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:03,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:03,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:03,613 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:03,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:03,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 12:35:03,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:03,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:35:03,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:35:03,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:35:03,744 INFO L87 Difference]: Start difference. First operand 175 states and 207 transitions. Second operand 10 states. [2018-11-18 12:35:04,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:04,230 INFO L93 Difference]: Finished difference Result 580 states and 747 transitions. [2018-11-18 12:35:04,232 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:35:04,232 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2018-11-18 12:35:04,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:04,237 INFO L225 Difference]: With dead ends: 580 [2018-11-18 12:35:04,237 INFO L226 Difference]: Without dead ends: 429 [2018-11-18 12:35:04,239 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:35:04,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2018-11-18 12:35:04,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 417. [2018-11-18 12:35:04,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2018-11-18 12:35:04,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 511 transitions. [2018-11-18 12:35:04,281 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 511 transitions. Word has length 56 [2018-11-18 12:35:04,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:04,281 INFO L480 AbstractCegarLoop]: Abstraction has 417 states and 511 transitions. [2018-11-18 12:35:04,281 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:35:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 511 transitions. [2018-11-18 12:35:04,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-18 12:35:04,284 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:04,284 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:35:04,284 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:04,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:04,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1192763659, now seen corresponding path program 1 times [2018-11-18 12:35:04,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:04,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:04,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:04,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:04,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:04,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:35:04,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:04,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:35:04,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:04,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:35:04,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:35:04,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:35:04,357 INFO L87 Difference]: Start difference. First operand 417 states and 511 transitions. Second operand 3 states. [2018-11-18 12:35:04,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:04,374 INFO L93 Difference]: Finished difference Result 768 states and 955 transitions. [2018-11-18 12:35:04,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:35:04,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-18 12:35:04,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:04,378 INFO L225 Difference]: With dead ends: 768 [2018-11-18 12:35:04,378 INFO L226 Difference]: Without dead ends: 375 [2018-11-18 12:35:04,380 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 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 12:35:04,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-18 12:35:04,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2018-11-18 12:35:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-11-18 12:35:04,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 437 transitions. [2018-11-18 12:35:04,400 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 437 transitions. Word has length 60 [2018-11-18 12:35:04,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:04,400 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 437 transitions. [2018-11-18 12:35:04,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:35:04,401 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 437 transitions. [2018-11-18 12:35:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 12:35:04,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:04,403 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 12:35:04,403 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:04,403 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:04,404 INFO L82 PathProgramCache]: Analyzing trace with hash -909932649, now seen corresponding path program 1 times [2018-11-18 12:35:04,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:04,404 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:04,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:04,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:04,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:35:04,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:35:04,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:35:04,498 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:04,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:35:04,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:35:04,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:35:04,499 INFO L87 Difference]: Start difference. First operand 375 states and 437 transitions. Second operand 7 states. [2018-11-18 12:35:04,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:04,715 INFO L93 Difference]: Finished difference Result 381 states and 443 transitions. [2018-11-18 12:35:04,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:35:04,715 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-18 12:35:04,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:04,716 INFO L225 Difference]: With dead ends: 381 [2018-11-18 12:35:04,716 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:35:04,717 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:35:04,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:35:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:35:04,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:35:04,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:35:04,717 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 91 [2018-11-18 12:35:04,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:04,718 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:35:04,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:35:04,718 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:35:04,718 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:35:04,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:35:05,265 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 311 318) the Hoare annotation is: true [2018-11-18 12:35:05,265 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2018-11-18 12:35:05,266 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 399 466) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 415) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 409 458) no Hoare annotation was computed. [2018-11-18 12:35:05,266 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 399 466) no Hoare annotation was computed. [2018-11-18 12:35:05,267 INFO L421 ceAbstractionStarter]: At program point L459(lines 408 460) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,267 INFO L421 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,267 INFO L425 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2018-11-18 12:35:05,267 INFO L421 ceAbstractionStarter]: At program point L447-1(lines 439 454) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,267 INFO L425 ceAbstractionStarter]: For program point L410(lines 409 458) no Hoare annotation was computed. [2018-11-18 12:35:05,267 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,267 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 454) no Hoare annotation was computed. [2018-11-18 12:35:05,267 INFO L421 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,267 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-18 12:35:05,267 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 429 435) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L421 ceAbstractionStarter]: At program point L456(lines 409 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,268 INFO L421 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 399 466) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L419-1(lines 419 425) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 843 867) the Hoare annotation is: true [2018-11-18 12:35:05,268 INFO L421 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L855(lines 855 861) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L421 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 864) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 843 867) no Hoare annotation was computed. [2018-11-18 12:35:05,268 INFO L425 ceAbstractionStarter]: For program point L851-1(lines 843 867) no Hoare annotation was computed. [2018-11-18 12:35:05,269 INFO L428 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: true [2018-11-18 12:35:05,269 INFO L425 ceAbstractionStarter]: For program point L849-1(line 849) no Hoare annotation was computed. [2018-11-18 12:35:05,269 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 12:35:05,269 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 12:35:05,269 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 12:35:05,270 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 12:35:05,270 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~0 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,270 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 12:35:05,270 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 375 389) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L421 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point L379(lines 379 385) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 375 389) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 375 389) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 253 261) the Hoare annotation is: true [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 253 261) no Hoare annotation was computed. [2018-11-18 12:35:05,271 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 253 261) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 209 220) the Hoare annotation is: true [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 209 220) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point L213-1(lines 209 220) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L421 ceAbstractionStarter]: At program point L285(line 285) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-18 12:35:05,272 INFO L421 ceAbstractionStarter]: At program point L283(lines 283 289) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-18 12:35:05,272 INFO L421 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point L276(lines 275 294) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0)))) [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2018-11-18 12:35:05,272 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 12:35:05,273 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 12:35:05,273 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 12:35:05,273 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 12:35:05,273 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 12:35:05,273 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 12:35:05,273 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 185 196) the Hoare annotation is: true [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 185 196) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 185 196) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 12:35:05,274 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 12:35:05,274 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-18 12:35:05,275 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 390 397) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 390 397) the Hoare annotation is: true [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 390 397) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 197 208) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 197 208) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 197 208) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)) [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 834 841) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 838) no Hoare annotation was computed. [2018-11-18 12:35:05,275 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 834 841) the Hoare annotation is: true [2018-11-18 12:35:05,276 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 834 841) no Hoare annotation was computed. [2018-11-18 12:35:05,276 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:35:05,276 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 12:35:05,276 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 12:35:05,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:35:05 BoogieIcfgContainer [2018-11-18 12:35:05,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:35:05,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:35:05,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:35:05,289 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:35:05,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:35:02" (3/4) ... [2018-11-18 12:35:05,292 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:35:05,296 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:35:05,296 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:35:05,296 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:35:05,297 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:35:05,298 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:35:05,298 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:35:05,298 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:35:05,298 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:35:05,303 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-18 12:35:05,304 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:35:05,304 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:35:05,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 12:35:05,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:35:05,351 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77e4301d-6ae8-4693-99e7-5de81fd568e8/bin-2019/utaipan/witness.graphml [2018-11-18 12:35:05,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:35:05,351 INFO L168 Benchmark]: Toolchain (without parser) took 3575.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.6 MB). Free memory was 957.5 MB in the beginning and 1.0 GB in the end (delta: -88.4 MB). Peak memory consumption was 141.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,352 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:35:05,352 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,353 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,353 INFO L168 Benchmark]: Boogie Preprocessor took 28.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:35:05,353 INFO L168 Benchmark]: RCFGBuilder took 443.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,353 INFO L168 Benchmark]: TraceAbstraction took 2660.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 107.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,353 INFO L168 Benchmark]: Witness Printer took 61.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:05,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 443.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.2 MB). Peak memory consumption was 54.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2660.90 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 107.5 MB. Max. memory is 11.5 GB. * Witness Printer took 61.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 838]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 109 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 592 SDtfs, 404 SDslu, 1259 SDs, 0 SdLazy, 543 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 383 PreInvPairs, 444 NumberOfFragments, 480 HoareAnnotationTreeSize, 383 FomulaSimplifications, 693 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 2127 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 348 ConstructedInterpolants, 0 QuantifiedInterpolants, 43517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 25/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...