./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product11_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_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/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 914cee364693da399a9c2543bf5dbcba9bd2afd1 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:08:29,954 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:08:29,956 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:08:29,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:08:29,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:08:29,963 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:08:29,964 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:08:29,965 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:08:29,966 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:08:29,967 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:08:29,968 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:08:29,968 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:08:29,968 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:08:29,969 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:08:29,970 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:08:29,970 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:08:29,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:08:29,972 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:08:29,974 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:08:29,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:08:29,976 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:08:29,976 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:08:29,978 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:08:29,978 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:08:29,978 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:08:29,979 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:08:29,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:08:29,980 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:08:29,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:08:29,981 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:08:29,981 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:08:29,982 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:08:29,982 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:08:29,982 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:08:29,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:08:29,983 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:08:29,983 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 12:08:29,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:08:29,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:08:29,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:08:29,994 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 12:08:29,994 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 12:08:29,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 12:08:29,995 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 12:08:29,995 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 12:08:29,995 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 12:08:29,995 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 12:08:29,995 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 12:08:29,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:08:29,996 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:08:29,996 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:08:29,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:08:29,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:08:29,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:08:29,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:08:29,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:08:29,997 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:08:29,997 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:08:29,997 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:08:29,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:08:29,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:08:29,998 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:08:29,999 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 12:08:29,999 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:08:29,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:08:29,999 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 12:08:29,999 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_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/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 -> 914cee364693da399a9c2543bf5dbcba9bd2afd1 [2018-11-10 12:08:30,020 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:08:30,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:08:30,031 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:08:30,032 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:08:30,032 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:08:30,033 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-10 12:08:30,069 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/data/99c72f55b/458fe5a6454a47fbb00d9b6fad1cf38f/FLAGe40422ef6 [2018-11-10 12:08:30,492 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:08:30,492 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/sv-benchmarks/c/product-lines/minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-10 12:08:30,500 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/data/99c72f55b/458fe5a6454a47fbb00d9b6fad1cf38f/FLAGe40422ef6 [2018-11-10 12:08:30,508 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/data/99c72f55b/458fe5a6454a47fbb00d9b6fad1cf38f [2018-11-10 12:08:30,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:08:30,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:08:30,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:08:30,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:08:30,515 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:08:30,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70607c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30, skipping insertion in model container [2018-11-10 12:08:30,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:08:30,552 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:08:30,721 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:08:30,730 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:08:30,783 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:08:30,801 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:08:30,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30 WrapperNode [2018-11-10 12:08:30,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:08:30,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:08:30,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:08:30,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:08:30,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:08:30,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:08:30,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:08:30,886 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:08:30,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... [2018-11-10 12:08:30,916 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:08:30,917 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:08:30,917 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:08:30,917 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:08:30,918 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/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 12:08:30,964 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 12:08:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 12:08:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:08:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:08:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:08:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:08:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-10 12:08:30,965 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-10 12:08:30,965 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 12:08:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 12:08:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 12:08:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 12:08:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 12:08:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 12:08:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 12:08:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 12:08:30,966 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 12:08:30,966 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 12:08:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 12:08:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 12:08:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 12:08:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 12:08:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 12:08:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 12:08:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 12:08:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 12:08:30,967 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 12:08:30,967 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 12:08:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 12:08:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 12:08:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 12:08:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 12:08:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 12:08:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 12:08:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:08:30,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:08:30,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 12:08:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 12:08:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:08:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:08:30,969 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 12:08:30,969 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 12:08:31,480 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:08:31,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:08:31 BoogieIcfgContainer [2018-11-10 12:08:31,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:08:31,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:08:31,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:08:31,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:08:31,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:08:30" (1/3) ... [2018-11-10 12:08:31,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92504b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:08:31, skipping insertion in model container [2018-11-10 12:08:31,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:08:30" (2/3) ... [2018-11-10 12:08:31,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c92504b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:08:31, skipping insertion in model container [2018-11-10 12:08:31,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:08:31" (3/3) ... [2018-11-10 12:08:31,488 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product11_true-unreach-call_false-termination.cil.c [2018-11-10 12:08:31,496 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:08:31,503 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:08:31,515 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:08:31,542 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:08:31,542 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:08:31,542 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:08:31,542 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:08:31,542 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:08:31,542 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:08:31,543 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:08:31,543 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:08:31,558 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states. [2018-11-10 12:08:31,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 12:08:31,563 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:31,563 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 12:08:31,565 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:31,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:31,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1809682859, now seen corresponding path program 1 times [2018-11-10 12:08:31,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:31,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:31,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,606 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:31,776 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 12:08:31,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:31,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 12:08:31,778 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:31,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 12:08:31,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 12:08:31,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 12:08:31,796 INFO L87 Difference]: Start difference. First operand 105 states. Second operand 2 states. [2018-11-10 12:08:31,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:31,822 INFO L93 Difference]: Finished difference Result 184 states and 229 transitions. [2018-11-10 12:08:31,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 12:08:31,822 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 12:08:31,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:31,830 INFO L225 Difference]: With dead ends: 184 [2018-11-10 12:08:31,830 INFO L226 Difference]: Without dead ends: 92 [2018-11-10 12:08:31,833 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 12:08:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-10 12:08:31,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-10 12:08:31,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-10 12:08:31,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-10 12:08:31,868 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 46 [2018-11-10 12:08:31,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:31,869 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-10 12:08:31,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 12:08:31,869 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-10 12:08:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 12:08:31,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:31,871 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 12:08:31,871 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:31,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:31,871 INFO L82 PathProgramCache]: Analyzing trace with hash -872599012, now seen corresponding path program 1 times [2018-11-10 12:08:31,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:31,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:31,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,872 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:31,967 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 12:08:31,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:31,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:08:31,967 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:31,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:08:31,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:08:31,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:08:31,970 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 3 states. [2018-11-10 12:08:31,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:31,983 INFO L93 Difference]: Finished difference Result 122 states and 139 transitions. [2018-11-10 12:08:31,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:08:31,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 12:08:31,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:31,985 INFO L225 Difference]: With dead ends: 122 [2018-11-10 12:08:31,985 INFO L226 Difference]: Without dead ends: 82 [2018-11-10 12:08:31,986 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 12:08:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-11-10 12:08:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-11-10 12:08:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-11-10 12:08:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2018-11-10 12:08:31,995 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 48 [2018-11-10 12:08:31,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:31,995 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2018-11-10 12:08:31,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:08:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2018-11-10 12:08:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 12:08:31,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:31,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:08:31,998 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:31,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash 584228216, now seen corresponding path program 1 times [2018-11-10 12:08:31,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:31,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:31,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:31,999 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:32,113 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 12:08:32,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:32,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:08:32,114 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:32,115 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:08:32,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:08:32,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:08:32,115 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 3 states. [2018-11-10 12:08:32,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:32,143 INFO L93 Difference]: Finished difference Result 193 states and 229 transitions. [2018-11-10 12:08:32,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:08:32,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-10 12:08:32,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:32,148 INFO L225 Difference]: With dead ends: 193 [2018-11-10 12:08:32,148 INFO L226 Difference]: Without dead ends: 135 [2018-11-10 12:08:32,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:08:32,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-10 12:08:32,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 125. [2018-11-10 12:08:32,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-11-10 12:08:32,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-11-10 12:08:32,165 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-11-10 12:08:32,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:32,165 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-11-10 12:08:32,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:08:32,165 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-11-10 12:08:32,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 12:08:32,167 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:32,167 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] [2018-11-10 12:08:32,167 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:32,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:32,167 INFO L82 PathProgramCache]: Analyzing trace with hash -2142046142, now seen corresponding path program 1 times [2018-11-10 12:08:32,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:32,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:32,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:32,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:32,170 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:32,334 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 12:08:32,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:32,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 12:08:32,335 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:32,335 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 12:08:32,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 12:08:32,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 12:08:32,337 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 10 states. [2018-11-10 12:08:32,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:32,854 INFO L93 Difference]: Finished difference Result 394 states and 510 transitions. [2018-11-10 12:08:32,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 12:08:32,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2018-11-10 12:08:32,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:32,857 INFO L225 Difference]: With dead ends: 394 [2018-11-10 12:08:32,858 INFO L226 Difference]: Without dead ends: 293 [2018-11-10 12:08:32,859 INFO L605 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 [2018-11-10 12:08:32,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-11-10 12:08:32,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 285. [2018-11-10 12:08:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-11-10 12:08:32,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 351 transitions. [2018-11-10 12:08:32,887 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 351 transitions. Word has length 55 [2018-11-10 12:08:32,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:32,888 INFO L481 AbstractCegarLoop]: Abstraction has 285 states and 351 transitions. [2018-11-10 12:08:32,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 12:08:32,888 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 351 transitions. [2018-11-10 12:08:32,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-10 12:08:32,890 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:32,890 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] [2018-11-10 12:08:32,892 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:32,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:32,893 INFO L82 PathProgramCache]: Analyzing trace with hash -2007585668, now seen corresponding path program 1 times [2018-11-10 12:08:32,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:32,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:32,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:32,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:32,894 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:32,960 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 12:08:32,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:32,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:08:32,960 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:32,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:08:32,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:08:32,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:08:32,962 INFO L87 Difference]: Start difference. First operand 285 states and 351 transitions. Second operand 3 states. [2018-11-10 12:08:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:32,985 INFO L93 Difference]: Finished difference Result 514 states and 647 transitions. [2018-11-10 12:08:32,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:08:32,987 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-10 12:08:32,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:32,989 INFO L225 Difference]: With dead ends: 514 [2018-11-10 12:08:32,989 INFO L226 Difference]: Without dead ends: 253 [2018-11-10 12:08:32,991 INFO L605 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 [2018-11-10 12:08:32,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-10 12:08:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-11-10 12:08:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-11-10 12:08:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 296 transitions. [2018-11-10 12:08:33,019 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 296 transitions. Word has length 59 [2018-11-10 12:08:33,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:33,019 INFO L481 AbstractCegarLoop]: Abstraction has 253 states and 296 transitions. [2018-11-10 12:08:33,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:08:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 296 transitions. [2018-11-10 12:08:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 12:08:33,021 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:08:33,021 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, 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] [2018-11-10 12:08:33,021 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:08:33,022 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:08:33,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1883221862, now seen corresponding path program 1 times [2018-11-10 12:08:33,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 12:08:33,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:33,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:08:33,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:08:33,023 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 12:08:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:08:33,105 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-10 12:08:33,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:08:33,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 12:08:33,105 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 12:08:33,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 12:08:33,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 12:08:33,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:08:33,106 INFO L87 Difference]: Start difference. First operand 253 states and 296 transitions. Second operand 6 states. [2018-11-10 12:08:33,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:08:33,205 INFO L93 Difference]: Finished difference Result 257 states and 300 transitions. [2018-11-10 12:08:33,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:08:33,206 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-10 12:08:33,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:08:33,206 INFO L225 Difference]: With dead ends: 257 [2018-11-10 12:08:33,207 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:08:33,207 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 12:08:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:08:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:08:33,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:08:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:08:33,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-10 12:08:33,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:08:33,208 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:08:33,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 12:08:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:08:33,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:08:33,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:08:33,599 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 119 126) the Hoare annotation is: true [2018-11-10 12:08:33,599 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 119 126) no Hoare annotation was computed. [2018-11-10 12:08:33,599 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 119 126) no Hoare annotation was computed. [2018-11-10 12:08:33,599 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 86 92) no Hoare annotation was computed. [2018-11-10 12:08:33,599 INFO L428 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 86 92) the Hoare annotation is: true [2018-11-10 12:08:33,600 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 859 865) the Hoare annotation is: true [2018-11-10 12:08:33,600 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 859 865) no Hoare annotation was computed. [2018-11-10 12:08:33,600 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 866 874) no Hoare annotation was computed. [2018-11-10 12:08:33,600 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 866 874) the Hoare annotation is: true [2018-11-10 12:08:33,600 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 866 874) no Hoare annotation was computed. [2018-11-10 12:08:33,600 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 202 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,600 INFO L421 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,600 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2018-11-10 12:08:33,600 INFO L421 ceAbstractionStarter]: At program point L248-1(lines 242 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,600 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 202 267) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L213(lines 212 259) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L242(lines 242 255) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L421 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 238) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L232-1(lines 232 238) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L421 ceAbstractionStarter]: At program point L257(lines 212 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,601 INFO L421 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 218) no Hoare annotation was computed. [2018-11-10 12:08:33,601 INFO L425 ceAbstractionStarter]: For program point L212-1(lines 212 259) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L421 ceAbstractionStarter]: At program point L260(lines 211 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 202 267) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 270 294) the Hoare annotation is: true [2018-11-10 12:08:33,602 INFO L421 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L421 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 0)) [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point L278-1(lines 270 294) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L428 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: true [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-10 12:08:33,602 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 270 294) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 451 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,603 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 451 473) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L421 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,603 INFO L421 ceAbstractionStarter]: At program point L463-1(line 463) the Hoare annotation is: (or (and (= main_~tmp~3 ~waterLevel~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,603 INFO L425 ceAbstractionStarter]: For program point L461(lines 461 468) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 451 473) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L425 ceAbstractionStarter]: For program point L461-1(lines 461 468) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L425 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2018-11-10 12:08:33,603 INFO L421 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,603 INFO L421 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,604 INFO L421 ceAbstractionStarter]: At program point L457-1(line 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,604 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 183 197) no Hoare annotation was computed. [2018-11-10 12:08:33,604 INFO L421 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-10 12:08:33,605 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 193) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 183 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 183 197) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 138 146) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 138 146) the Hoare annotation is: true [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 138 146) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 366 374) the Hoare annotation is: true [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 366 374) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 366 374) no Hoare annotation was computed. [2018-11-10 12:08:33,606 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2018-11-10 12:08:33,606 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2018-11-10 12:08:33,607 INFO L425 ceAbstractionStarter]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2018-11-10 12:08:33,607 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 62 85) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-10 12:08:33,607 INFO L421 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or (not (= ~systemActive~0 0)) .cse0))) [2018-11-10 12:08:33,607 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 62 85) no Hoare annotation was computed. [2018-11-10 12:08:33,607 INFO L421 ceAbstractionStarter]: At program point L73(lines 73 79) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= |old(~waterLevel~0)| 0) (not (= ~waterLevel~0 0))) (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))))) [2018-11-10 12:08:33,607 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 62 85) no Hoare annotation was computed. [2018-11-10 12:08:33,607 INFO L421 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-10 12:08:33,607 INFO L425 ceAbstractionStarter]: For program point L66(lines 65 84) no Hoare annotation was computed. [2018-11-10 12:08:33,607 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 377 406) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 395) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point L391-1(lines 391 395) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L387-1(lines 387 401) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point L387-3(lines 387 401) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L383-1(line 383) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 377 406) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point L402(lines 377 406) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 298 309) the Hoare annotation is: true [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point L302-1(lines 298 309) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 298 309) no Hoare annotation was computed. [2018-11-10 12:08:33,608 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 852 858) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 852 858) the Hoare annotation is: true [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) [2018-11-10 12:08:33,609 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 431 437) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 431 437) the Hoare annotation is: true [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,609 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-10 12:08:33,609 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-10 12:08:33,610 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-10 12:08:33,610 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-10 12:08:33,610 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 438 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= ~systemActive~0 0))) (not (= |old(~waterLevel~0)| 1))) [2018-11-10 12:08:33,610 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 438 447) no Hoare annotation was computed. [2018-11-10 12:08:33,610 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 438 447) no Hoare annotation was computed. [2018-11-10 12:08:33,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:08:33 BoogieIcfgContainer [2018-11-10 12:08:33,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:08:33,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:08:33,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:08:33,623 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:08:33,623 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:08:31" (3/4) ... [2018-11-10 12:08:33,627 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:08:33,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 12:08:33,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 12:08:33,632 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 12:08:33,633 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 12:08:33,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 12:08:33,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 12:08:33,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 12:08:33,634 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 12:08:33,641 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 137 nodes and edges [2018-11-10 12:08:33,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 12:08:33,642 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 12:08:33,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-10 12:08:33,662 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-10 12:08:33,696 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bbb71a8b-dfa7-47a7-9746-a594d65dafb0/bin-2019/utaipan/witness.graphml [2018-11-10 12:08:33,697 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:08:33,697 INFO L168 Benchmark]: Toolchain (without parser) took 3185.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 960.2 MB in the beginning and 954.3 MB in the end (delta: 5.9 MB). Peak memory consumption was 129.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,698 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:08:33,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,699 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,699 INFO L168 Benchmark]: RCFGBuilder took 564.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,699 INFO L168 Benchmark]: TraceAbstraction took 2140.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 964.9 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,699 INFO L168 Benchmark]: Witness Printer took 73.89 ms. Allocated memory is still 1.2 GB. Free memory was 964.9 MB in the beginning and 954.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:33,701 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.17 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 MB in the beginning and 936.1 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 83.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 936.1 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.70 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 564.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2140.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 964.9 MB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * Witness Printer took 73.89 ms. Allocated memory is still 1.2 GB. Free memory was 964.9 MB in the beginning and 954.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 105 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 571 SDtfs, 313 SDslu, 933 SDs, 0 SdLazy, 274 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred 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, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 284 PreInvPairs, 325 NumberOfFragments, 452 HoareAnnotationTreeSize, 284 FomulaSimplifications, 338 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 44 FomulaSimplificationsInter, 1086 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 344 ConstructedInterpolants, 0 QuantifiedInterpolants, 41439 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 27/27 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...