./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/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 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:54:04,327 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:54:04,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:54:04,333 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:54:04,334 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:54:04,334 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:54:04,335 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:54:04,336 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:54:04,338 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:54:04,338 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:54:04,339 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:54:04,339 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:54:04,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:54:04,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:54:04,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:54:04,341 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:54:04,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:54:04,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:54:04,344 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:54:04,345 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:54:04,346 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:54:04,346 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:54:04,348 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:54:04,348 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:54:04,348 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:54:04,349 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:54:04,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:54:04,350 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:54:04,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:54:04,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:54:04,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:54:04,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:54:04,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:54:04,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:54:04,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:54:04,353 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:54:04,353 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 11:54:04,363 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:54:04,364 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:54:04,364 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:54:04,364 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 11:54:04,364 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 11:54:04,365 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 11:54:04,365 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 11:54:04,365 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 11:54:04,365 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 11:54:04,365 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 11:54:04,365 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 11:54:04,366 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:54:04,366 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:54:04,366 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:54:04,366 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:54:04,366 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:54:04,366 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:54:04,367 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:54:04,367 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 11:54:04,368 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:54:04,368 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:54:04,369 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 11:54:04,369 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_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/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 -> 14bbe860e6ae6a1128c2aa8898396ae07ba8a16d [2018-11-10 11:54:04,392 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:54:04,402 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:54:04,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:54:04,405 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:54:04,406 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:54:04,406 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-10 11:54:04,444 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/data/69dc5d87b/43e1bd5ac492461fafb6cce76844cae6/FLAG05177d2fc [2018-11-10 11:54:04,805 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:54:04,806 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/sv-benchmarks/c/product-lines/minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-10 11:54:04,813 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/data/69dc5d87b/43e1bd5ac492461fafb6cce76844cae6/FLAG05177d2fc [2018-11-10 11:54:04,822 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/data/69dc5d87b/43e1bd5ac492461fafb6cce76844cae6 [2018-11-10 11:54:04,824 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:54:04,826 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:54:04,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:54:04,827 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:54:04,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:54:04,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:54:04" (1/1) ... [2018-11-10 11:54:04,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b82a653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:04, skipping insertion in model container [2018-11-10 11:54:04,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:54:04" (1/1) ... [2018-11-10 11:54:04,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:54:04,875 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:54:05,069 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:54:05,078 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:54:05,139 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:54:05,161 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:54:05,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05 WrapperNode [2018-11-10 11:54:05,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:54:05,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:54:05,163 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:54:05,163 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:54:05,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:54:05,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:54:05,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:54:05,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:54:05,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... [2018-11-10 11:54:05,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:54:05,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:54:05,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:54:05,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:54:05,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/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 [2018-11-10 11:54:05,361 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 11:54:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 11:54:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 11:54:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 11:54:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 11:54:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 11:54:05,362 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 11:54:05,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 11:54:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 11:54:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 11:54:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 11:54:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 11:54:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 11:54:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 11:54:05,363 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 11:54:05,363 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 11:54:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 11:54:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 11:54:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 11:54:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 11:54:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 11:54:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 11:54:05,364 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 11:54:05,364 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 11:54:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 11:54:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 11:54:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 11:54:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 11:54:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:54:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:54:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 11:54:05,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 11:54:05,365 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 11:54:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 11:54:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 11:54:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 11:54:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 11:54:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 11:54:05,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:54:05,366 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:54:05,882 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:54:05,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:54:05 BoogieIcfgContainer [2018-11-10 11:54:05,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:54:05,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 11:54:05,884 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 11:54:05,886 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 11:54:05,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:54:04" (1/3) ... [2018-11-10 11:54:05,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfcf0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:54:05, skipping insertion in model container [2018-11-10 11:54:05,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:54:05" (2/3) ... [2018-11-10 11:54:05,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dfcf0b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:54:05, skipping insertion in model container [2018-11-10 11:54:05,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:54:05" (3/3) ... [2018-11-10 11:54:05,889 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product02_true-unreach-call_false-termination.cil.c [2018-11-10 11:54:05,897 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 11:54:05,903 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 11:54:05,915 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 11:54:05,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 11:54:05,933 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 11:54:05,933 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 11:54:05,933 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:54:05,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:54:05,934 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 11:54:05,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:54:05,934 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 11:54:05,944 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-11-10 11:54:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 11:54:05,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:54:05,949 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] [2018-11-10 11:54:05,951 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:54:05,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:54:05,955 INFO L82 PathProgramCache]: Analyzing trace with hash -215381442, now seen corresponding path program 1 times [2018-11-10 11:54:05,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:54:05,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:05,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:54:05,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:05,993 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:54:06,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:54:06,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:54:06,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:54:06,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 11:54:06,157 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:54:06,161 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 11:54:06,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 11:54:06,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:54:06,172 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-11-10 11:54:06,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:54:06,200 INFO L93 Difference]: Finished difference Result 174 states and 217 transitions. [2018-11-10 11:54:06,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 11:54:06,201 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 11:54:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:54:06,208 INFO L225 Difference]: With dead ends: 174 [2018-11-10 11:54:06,208 INFO L226 Difference]: Without dead ends: 87 [2018-11-10 11:54:06,210 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 11:54:06,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-10 11:54:06,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-10 11:54:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-10 11:54:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 100 transitions. [2018-11-10 11:54:06,243 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 100 transitions. Word has length 46 [2018-11-10 11:54:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:54:06,243 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 100 transitions. [2018-11-10 11:54:06,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 11:54:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 100 transitions. [2018-11-10 11:54:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 11:54:06,246 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:54:06,246 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] [2018-11-10 11:54:06,246 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:54:06,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:54:06,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1866915781, now seen corresponding path program 1 times [2018-11-10 11:54:06,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:54:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:54:06,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,247 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:54:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:54:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:54:06,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:54:06,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 11:54:06,338 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:54:06,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 11:54:06,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 11:54:06,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:54:06,340 INFO L87 Difference]: Start difference. First operand 87 states and 100 transitions. Second operand 3 states. [2018-11-10 11:54:06,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:54:06,354 INFO L93 Difference]: Finished difference Result 117 states and 133 transitions. [2018-11-10 11:54:06,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 11:54:06,355 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 11:54:06,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:54:06,356 INFO L225 Difference]: With dead ends: 117 [2018-11-10 11:54:06,356 INFO L226 Difference]: Without dead ends: 77 [2018-11-10 11:54:06,357 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 11:54:06,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-10 11:54:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-10 11:54:06,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-10 11:54:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 87 transitions. [2018-11-10 11:54:06,365 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 87 transitions. Word has length 48 [2018-11-10 11:54:06,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:54:06,365 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 87 transitions. [2018-11-10 11:54:06,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 11:54:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 87 transitions. [2018-11-10 11:54:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 11:54:06,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:54:06,367 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] [2018-11-10 11:54:06,367 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:54:06,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:54:06,368 INFO L82 PathProgramCache]: Analyzing trace with hash 774637164, now seen corresponding path program 1 times [2018-11-10 11:54:06,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:54:06,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:54:06,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,369 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:54:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:54:06,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:54:06,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:54:06,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 11:54:06,510 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:54:06,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 11:54:06,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 11:54:06,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 11:54:06,511 INFO L87 Difference]: Start difference. First operand 77 states and 87 transitions. Second operand 7 states. [2018-11-10 11:54:06,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:54:06,768 INFO L93 Difference]: Finished difference Result 130 states and 151 transitions. [2018-11-10 11:54:06,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:54:06,768 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 11:54:06,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:54:06,769 INFO L225 Difference]: With dead ends: 130 [2018-11-10 11:54:06,770 INFO L226 Difference]: Without dead ends: 77 [2018-11-10 11:54:06,770 INFO L605 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 [2018-11-10 11:54:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-11-10 11:54:06,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-11-10 11:54:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-11-10 11:54:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 86 transitions. [2018-11-10 11:54:06,777 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 86 transitions. Word has length 53 [2018-11-10 11:54:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:54:06,778 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 86 transitions. [2018-11-10 11:54:06,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 11:54:06,778 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 86 transitions. [2018-11-10 11:54:06,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 11:54:06,779 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:54:06,779 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] [2018-11-10 11:54:06,780 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:54:06,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:54:06,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1823736084, now seen corresponding path program 1 times [2018-11-10 11:54:06,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:54:06,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:54:06,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:06,781 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:54:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:54:06,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:54:06,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:54:06,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:54:06,870 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:54:06,870 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:54:06,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:54:06,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:54:06,871 INFO L87 Difference]: Start difference. First operand 77 states and 86 transitions. Second operand 6 states. [2018-11-10 11:54:07,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:54:07,018 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-11-10 11:54:07,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 11:54:07,018 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 56 [2018-11-10 11:54:07,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:54:07,021 INFO L225 Difference]: With dead ends: 176 [2018-11-10 11:54:07,021 INFO L226 Difference]: Without dead ends: 123 [2018-11-10 11:54:07,022 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:54:07,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-11-10 11:54:07,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2018-11-10 11:54:07,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-10 11:54:07,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 138 transitions. [2018-11-10 11:54:07,035 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 138 transitions. Word has length 56 [2018-11-10 11:54:07,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:54:07,036 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 138 transitions. [2018-11-10 11:54:07,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:54:07,036 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 138 transitions. [2018-11-10 11:54:07,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 11:54:07,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 11:54:07,038 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] [2018-11-10 11:54:07,038 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 11:54:07,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:54:07,038 INFO L82 PathProgramCache]: Analyzing trace with hash 497362488, now seen corresponding path program 1 times [2018-11-10 11:54:07,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 11:54:07,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:07,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:54:07,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:54:07,040 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 11:54:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:54:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:54:07,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:54:07,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 11:54:07,117 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 11:54:07,118 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 11:54:07,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 11:54:07,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 11:54:07,118 INFO L87 Difference]: Start difference. First operand 121 states and 138 transitions. Second operand 6 states. [2018-11-10 11:54:07,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:54:07,239 INFO L93 Difference]: Finished difference Result 209 states and 244 transitions. [2018-11-10 11:54:07,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 11:54:07,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-11-10 11:54:07,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 11:54:07,240 INFO L225 Difference]: With dead ends: 209 [2018-11-10 11:54:07,240 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 11:54:07,241 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-10 11:54:07,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 11:54:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 11:54:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 11:54:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 11:54:07,242 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2018-11-10 11:54:07,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 11:54:07,242 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:54:07,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 11:54:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:54:07,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:54:07,246 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 11:54:07,616 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 179 185) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 179 185) the Hoare annotation is: true [2018-11-10 11:54:07,617 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 379 385) the Hoare annotation is: true [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 379 385) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 386 394) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 386 394) the Hoare annotation is: true [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 386 394) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L421 ceAbstractionStarter]: At program point L289(line 289) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,617 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 267 332) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 293) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point L287-1(lines 287 293) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 283) no Hoare annotation was computed. [2018-11-10 11:54:07,617 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 267 332) no Hoare annotation was computed. [2018-11-10 11:54:07,618 INFO L425 ceAbstractionStarter]: For program point L277-1(lines 277 324) no Hoare annotation was computed. [2018-11-10 11:54:07,618 INFO L421 ceAbstractionStarter]: At program point L325(lines 276 326) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,618 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-10 11:54:07,618 INFO L421 ceAbstractionStarter]: At program point L315-2(lines 307 320) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,618 INFO L425 ceAbstractionStarter]: For program point L278(lines 277 324) no Hoare annotation was computed. [2018-11-10 11:54:07,618 INFO L421 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,618 INFO L425 ceAbstractionStarter]: For program point L307(lines 307 320) no Hoare annotation was computed. [2018-11-10 11:54:07,618 INFO L421 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,619 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2018-11-10 11:54:07,619 INFO L425 ceAbstractionStarter]: For program point L297-1(lines 297 303) no Hoare annotation was computed. [2018-11-10 11:54:07,619 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 267 332) no Hoare annotation was computed. [2018-11-10 11:54:07,619 INFO L421 ceAbstractionStarter]: At program point L322(lines 277 324) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (and (= ~systemActive~0 1) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,619 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-10 11:54:07,619 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-10 11:54:07,619 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,619 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,620 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,620 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,620 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-10 11:54:07,620 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-10 11:54:07,620 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,620 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,620 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-10 11:54:07,620 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 213 221) no Hoare annotation was computed. [2018-11-10 11:54:07,620 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 213 221) the Hoare annotation is: true [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 213 221) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 423 434) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 423 434) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 423 434) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-10 11:54:07,621 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-10 11:54:07,621 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-10 11:54:07,621 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L421 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point L159(lines 158 177) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point timeShiftENTRY(lines 155 178) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 155 178) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 155 178) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point L166(lines 166 172) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 435 443) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 435 443) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 435 443) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 399 410) the Hoare annotation is: true [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 399 410) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 399 410) no Hoare annotation was computed. [2018-11-10 11:54:07,622 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 372 378) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 372 378) the Hoare annotation is: true [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-10 11:54:07,623 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 258 265) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (= ~systemActive~0 1)) [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 258 265) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 411 422) no Hoare annotation was computed. [2018-11-10 11:54:07,623 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 411 422) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 411 422) the Hoare annotation is: true [2018-11-10 11:54:07,624 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 477 484) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 481) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 477 484) the Hoare annotation is: true [2018-11-10 11:54:07,624 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 477 484) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1)) (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-10 11:54:07,624 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-10 11:54:07,624 INFO L421 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-10 11:54:07,624 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 335 359) the Hoare annotation is: true [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-11-10 11:54:07,625 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 335 359) no Hoare annotation was computed. [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point L343-1(lines 335 359) no Hoare annotation was computed. [2018-11-10 11:54:07,625 INFO L428 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: true [2018-11-10 11:54:07,625 INFO L425 ceAbstractionStarter]: For program point L341-1(line 341) no Hoare annotation was computed. [2018-11-10 11:54:07,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 11:54:07 BoogieIcfgContainer [2018-11-10 11:54:07,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 11:54:07,641 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:54:07,641 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:54:07,641 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:54:07,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:54:05" (3/4) ... [2018-11-10 11:54:07,647 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 11:54:07,652 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 11:54:07,653 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 11:54:07,654 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 11:54:07,654 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 11:54:07,661 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-11-10 11:54:07,662 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 11:54:07,662 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 11:54:07,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 11:54:07,682 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 11:54:07,717 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9cdd3d7-9956-40de-9124-dfce7fe33d6b/bin-2019/utaipan/witness.graphml [2018-11-10 11:54:07,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:54:07,718 INFO L168 Benchmark]: Toolchain (without parser) took 2892.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -88.3 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,719 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:54:07,719 INFO L168 Benchmark]: CACSL2BoogieTranslator took 335.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,719 INFO L168 Benchmark]: Boogie Preprocessor took 38.76 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. [2018-11-10 11:54:07,720 INFO L168 Benchmark]: RCFGBuilder took 572.73 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,720 INFO L168 Benchmark]: TraceAbstraction took 1757.02 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: -677.2 kB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,720 INFO L168 Benchmark]: Witness Printer took 76.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:54:07,722 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 335.71 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 936.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 108.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 936.2 MB in the beginning and 1.1 GB in the end (delta: -204.6 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.76 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 572.73 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: 79.8 MB). Peak memory consumption was 79.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1757.02 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: -677.2 kB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. * Witness Printer took 76.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 481]: 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: 276]: Loop Invariant Derived loop invariant: (!(0 == pumpRunning) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 277]: Loop Invariant Derived loop invariant: ((!(0 == pumpRunning) || (systemActive == 1 && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 446 SDtfs, 209 SDslu, 737 SDs, 0 SdLazy, 173 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 161 PreInvPairs, 176 NumberOfFragments, 370 HoareAnnotationTreeSize, 161 FomulaSimplifications, 70 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 551 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25746 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...