./Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0210da8c Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/TaipanReach.xml -i ../../../trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UTaipan-linux --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 b59596f519f075436dc724f37897dcc3b0f74afa ................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0210da8 [2018-10-21 12:24:57,908 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-21 12:24:57,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-21 12:24:57,924 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-21 12:24:57,924 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-21 12:24:57,925 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-21 12:24:57,927 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-21 12:24:57,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-21 12:24:57,931 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-21 12:24:57,932 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-21 12:24:57,933 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-21 12:24:57,933 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-21 12:24:57,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-21 12:24:57,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-21 12:24:57,936 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-21 12:24:57,937 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-21 12:24:57,938 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-21 12:24:57,940 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-21 12:24:57,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-21 12:24:57,944 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-21 12:24:57,945 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-21 12:24:57,947 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-21 12:24:57,949 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-21 12:24:57,950 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-21 12:24:57,950 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-21 12:24:57,951 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-21 12:24:57,952 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-21 12:24:57,953 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-21 12:24:57,954 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-21 12:24:57,955 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-21 12:24:57,955 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-21 12:24:57,956 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-21 12:24:57,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-21 12:24:57,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-21 12:24:57,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-21 12:24:57,958 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-21 12:24:57,959 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-21 12:24:57,975 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-21 12:24:57,977 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-21 12:24:57,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-21 12:24:57,980 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-21 12:24:57,980 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-21 12:24:57,980 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-21 12:24:57,980 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-21 12:24:57,980 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-21 12:24:57,981 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-21 12:24:57,981 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-21 12:24:57,981 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-21 12:24:57,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-21 12:24:57,982 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-21 12:24:57,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-21 12:24:57,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-21 12:24:57,985 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-21 12:24:57,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-21 12:24:57,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-21 12:24:57,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-21 12:24:57,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-21 12:24:57,986 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-21 12:24:57,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-21 12:24:57,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-21 12:24:57,988 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-21 12:24:57,988 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-21 12:24:57,988 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-21 12:24:57,988 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-21 12:24:57,988 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-21 12:24:57,989 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-21 12:24:57,990 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 -> /storage/repos/ultimate/releaseScripts/default/UTaipan-linux 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 -> b59596f519f075436dc724f37897dcc3b0f74afa [2018-10-21 12:24:58,071 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-21 12:24:58,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-21 12:24:58,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-21 12:24:58,101 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-21 12:24:58,101 INFO L276 PluginConnector]: CDTParser initialized [2018-10-21 12:24:58,102 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i [2018-10-21 12:24:58,169 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b33a8cab/5d905e9c1af54207bdefca049ae47243/FLAG7dbcbfccc [2018-10-21 12:24:58,589 INFO L298 CDTParser]: Found 1 translation units. [2018-10-21 12:24:58,590 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i [2018-10-21 12:24:58,597 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b33a8cab/5d905e9c1af54207bdefca049ae47243/FLAG7dbcbfccc [2018-10-21 12:24:58,612 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/2b33a8cab/5d905e9c1af54207bdefca049ae47243 [2018-10-21 12:24:58,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-21 12:24:58,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-21 12:24:58,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-21 12:24:58,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-21 12:24:58,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-21 12:24:58,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 12:24:58" (1/1) ... [2018-10-21 12:24:58,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a80df19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:58, skipping insertion in model container [2018-10-21 12:24:58,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 12:24:58" (1/1) ... [2018-10-21 12:24:58,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-21 12:24:58,667 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-21 12:24:58,929 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-21 12:24:58,939 INFO L189 MainTranslator]: Completed pre-run [2018-10-21 12:24:58,982 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-21 12:24:59,008 INFO L193 MainTranslator]: Completed translation [2018-10-21 12:24:59,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59 WrapperNode [2018-10-21 12:24:59,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-21 12:24:59,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-21 12:24:59,011 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-21 12:24:59,012 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-21 12:24:59,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-21 12:24:59,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-21 12:24:59,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-21 12:24:59,071 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-21 12:24:59,081 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... [2018-10-21 12:24:59,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-21 12:24:59,108 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-21 12:24:59,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-21 12:24:59,108 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-21 12:24:59,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-21 12:24:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure bubblesort [2018-10-21 12:24:59,246 INFO L138 BoogieDeclarations]: Found implementation of procedure bubblesort [2018-10-21 12:24:59,246 INFO L130 BoogieDeclarations]: Found specification of procedure q1 [2018-10-21 12:24:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure q1 [2018-10-21 12:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-21 12:24:59,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-21 12:24:59,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-21 12:24:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-21 12:24:59,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-21 12:24:59,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-21 12:24:59,836 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-21 12:24:59,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:24:59 BoogieIcfgContainer [2018-10-21 12:24:59,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-21 12:24:59,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-21 12:24:59,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-21 12:24:59,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-21 12:24:59,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 12:24:58" (1/3) ... [2018-10-21 12:24:59,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22696b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 12:24:59, skipping insertion in model container [2018-10-21 12:24:59,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 12:24:59" (2/3) ... [2018-10-21 12:24:59,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22696b2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 12:24:59, skipping insertion in model container [2018-10-21 12:24:59,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:24:59" (3/3) ... [2018-10-21 12:24:59,847 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_true-unreach-call_true-termination.i [2018-10-21 12:24:59,858 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-21 12:24:59,868 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-10-21 12:24:59,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-10-21 12:24:59,915 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-21 12:24:59,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-21 12:24:59,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-21 12:24:59,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-21 12:24:59,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-21 12:24:59,917 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-21 12:24:59,917 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-21 12:24:59,918 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-21 12:24:59,918 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-21 12:24:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-10-21 12:24:59,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-21 12:24:59,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 46 states. [2018-10-21 12:25:00,056 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 31) no Hoare annotation was computed. [2018-10-21 12:25:00,056 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 32) no Hoare annotation was computed. [2018-10-21 12:25:00,056 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 31) no Hoare annotation was computed. [2018-10-21 12:25:00,057 INFO L428 ceAbstractionStarter]: At program point L19-4(lines 19 31) the Hoare annotation is: true [2018-10-21 12:25:00,057 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 32) no Hoare annotation was computed. [2018-10-21 12:25:00,057 INFO L425 ceAbstractionStarter]: For program point bubblesortEXIT(lines 13 33) no Hoare annotation was computed. [2018-10-21 12:25:00,057 INFO L428 ceAbstractionStarter]: At program point L17-4(lines 17 32) the Hoare annotation is: true [2018-10-21 12:25:00,057 INFO L425 ceAbstractionStarter]: For program point L17-5(lines 13 33) no Hoare annotation was computed. [2018-10-21 12:25:00,058 INFO L428 ceAbstractionStarter]: At program point bubblesortENTRY(lines 13 33) the Hoare annotation is: true [2018-10-21 12:25:00,058 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-10-21 12:25:00,058 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 30) no Hoare annotation was computed. [2018-10-21 12:25:00,058 INFO L428 ceAbstractionStarter]: At program point L60(lines 60 77) the Hoare annotation is: true [2018-10-21 12:25:00,058 INFO L425 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-10-21 12:25:00,058 INFO L425 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-10-21 12:25:00,058 INFO L425 ceAbstractionStarter]: For program point L65(line 65) no Hoare annotation was computed. [2018-10-21 12:25:00,059 INFO L428 ceAbstractionStarter]: At program point L69-4(line 69) the Hoare annotation is: true [2018-10-21 12:25:00,060 INFO L425 ceAbstractionStarter]: For program point L69-5(line 69) no Hoare annotation was computed. [2018-10-21 12:25:00,060 INFO L428 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: true [2018-10-21 12:25:00,060 INFO L425 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-10-21 12:25:00,060 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 70 75) no Hoare annotation was computed. [2018-10-21 12:25:00,061 INFO L425 ceAbstractionStarter]: For program point L70-3(lines 70 75) no Hoare annotation was computed. [2018-10-21 12:25:00,061 INFO L428 ceAbstractionStarter]: At program point L70-4(lines 70 75) the Hoare annotation is: true [2018-10-21 12:25:00,061 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-10-21 12:25:00,061 INFO L428 ceAbstractionStarter]: At program point q1ENTRY(lines 53 79) the Hoare annotation is: true [2018-10-21 12:25:00,061 INFO L425 ceAbstractionStarter]: For program point L66-3(line 66) no Hoare annotation was computed. [2018-10-21 12:25:00,062 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-10-21 12:25:00,062 INFO L428 ceAbstractionStarter]: At program point L66-4(line 66) the Hoare annotation is: true [2018-10-21 12:25:00,062 INFO L425 ceAbstractionStarter]: For program point q1FINAL(lines 53 79) no Hoare annotation was computed. [2018-10-21 12:25:00,063 INFO L425 ceAbstractionStarter]: For program point q1EXIT(lines 53 79) no Hoare annotation was computed. [2018-10-21 12:25:00,063 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-10-21 12:25:00,063 INFO L425 ceAbstractionStarter]: For program point L63-3(line 63) no Hoare annotation was computed. [2018-10-21 12:25:00,063 INFO L428 ceAbstractionStarter]: At program point L63-4(line 63) the Hoare annotation is: true [2018-10-21 12:25:00,063 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-10-21 12:25:00,063 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-10-21 12:25:00,064 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-21 12:25:00,065 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-21 12:25:00,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-21 12:25:00,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-21 12:25:00,065 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-21 12:25:00,066 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-21 12:25:00,068 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-21 12:25:00,068 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-10-21 12:25:00,068 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 80 84) the Hoare annotation is: true [2018-10-21 12:25:00,068 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 80 84) no Hoare annotation was computed. [2018-10-21 12:25:00,069 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 80 84) no Hoare annotation was computed. [2018-10-21 12:25:00,069 INFO L428 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: true [2018-10-21 12:25:00,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 12:25:00 BoogieIcfgContainer [2018-10-21 12:25:00,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-21 12:25:00,086 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-21 12:25:00,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-21 12:25:00,087 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-21 12:25:00,088 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 12:24:59" (3/4) ... [2018-10-21 12:25:00,093 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-21 12:25:00,103 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure bubblesort [2018-10-21 12:25:00,105 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure q1 [2018-10-21 12:25:00,105 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-21 12:25:00,106 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-21 12:25:00,119 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-10-21 12:25:00,120 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-10-21 12:25:00,120 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-21 12:25:00,120 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-21 12:25:00,213 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2018-10-21 12:25:00,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-21 12:25:00,215 INFO L168 Benchmark]: Toolchain (without parser) took 1597.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -142.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,217 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-21 12:25:00,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,218 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.34 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,218 INFO L168 Benchmark]: Boogie Preprocessor took 36.70 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-21 12:25:00,219 INFO L168 Benchmark]: RCFGBuilder took 729.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,220 INFO L168 Benchmark]: TraceAbstraction took 247.92 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,224 INFO L168 Benchmark]: Witness Printer took 127.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-10-21 12:25:00,227 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.95 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 942.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.34 ms. Allocated memory is still 1.0 GB. Free memory was 942.5 MB in the beginning and 937.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.70 ms. Allocated memory is still 1.0 GB. Free memory is still 937.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 729.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 247.92 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Witness Printer took 127.39 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, 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: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 15 PreInvPairs, 15 NumberOfFragments, 15 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...