./Ultimate.py --spec ../../../trunk/examples/svcomp/ReachSafety.prp --file ../../../trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i --full-output --rcfgbuilder.size.of.a.code.block LoopFreeBlock --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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0210da8 [2018-10-22 10:04:48,277 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-22 10:04:48,279 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-22 10:04:48,292 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-22 10:04:48,292 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-22 10:04:48,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-22 10:04:48,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-22 10:04:48,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-22 10:04:48,299 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-22 10:04:48,300 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-22 10:04:48,301 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-22 10:04:48,301 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-22 10:04:48,302 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-22 10:04:48,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-22 10:04:48,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-22 10:04:48,306 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-22 10:04:48,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-22 10:04:48,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-22 10:04:48,311 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-22 10:04:48,313 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-22 10:04:48,318 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-22 10:04:48,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-22 10:04:48,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-22 10:04:48,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-22 10:04:48,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-22 10:04:48,326 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-22 10:04:48,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-22 10:04:48,328 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-22 10:04:48,331 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-22 10:04:48,332 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-22 10:04:48,332 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-22 10:04:48,332 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-22 10:04:48,333 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-22 10:04:48,333 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-22 10:04:48,334 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-22 10:04:48,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-22 10:04:48,335 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-22 10:04:48,352 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-22 10:04:48,352 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-22 10:04:48,353 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-22 10:04:48,353 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-22 10:04:48,353 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-22 10:04:48,354 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-22 10:04:48,354 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-22 10:04:48,354 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-22 10:04:48,354 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-22 10:04:48,354 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-22 10:04:48,354 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-22 10:04:48,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-22 10:04:48,355 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-22 10:04:48,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-22 10:04:48,356 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-22 10:04:48,357 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-22 10:04:48,357 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-22 10:04:48,357 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-22 10:04:48,358 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-22 10:04:48,358 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-22 10:04:48,358 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-22 10:04:48,358 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-22 10:04:48,359 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-22 10:04:48,359 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-22 10:04:48,359 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-22 10:04:48,359 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-22 10:04:48,359 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-22 10:04:48,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-22 10:04:48,360 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-22 10:04:48,360 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-22 10:04:48,360 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-22 10:04:48,360 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-22 10:04:48,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-22 10:04:48,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-22 10:04:48,362 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock [2018-10-22 10:04:48,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-22 10:04:48,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-22 10:04:48,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-22 10:04:48,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-22 10:04:48,466 INFO L276 PluginConnector]: CDTParser initialized [2018-10-22 10:04:48,468 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/../../../trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i [2018-10-22 10:04:48,538 INFO L218 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7c19d5522/6c25a161560841f2a01955f6bd3edc7d/FLAG80fe78e01 [2018-10-22 10:04:49,066 INFO L298 CDTParser]: Found 1 translation units. [2018-10-22 10:04:49,071 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/bubble_sort_true-unreach-call_true-termination.i [2018-10-22 10:04:49,079 INFO L346 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7c19d5522/6c25a161560841f2a01955f6bd3edc7d/FLAG80fe78e01 [2018-10-22 10:04:49,096 INFO L354 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/data/7c19d5522/6c25a161560841f2a01955f6bd3edc7d [2018-10-22 10:04:49,103 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-22 10:04:49,105 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-22 10:04:49,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-22 10:04:49,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-22 10:04:49,110 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-22 10:04:49,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a1d812f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49, skipping insertion in model container [2018-10-22 10:04:49,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-22 10:04:49,160 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-22 10:04:49,385 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 10:04:49,399 INFO L189 MainTranslator]: Completed pre-run [2018-10-22 10:04:49,459 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-22 10:04:49,493 INFO L193 MainTranslator]: Completed translation [2018-10-22 10:04:49,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49 WrapperNode [2018-10-22 10:04:49,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-22 10:04:49,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-22 10:04:49,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-22 10:04:49,495 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-22 10:04:49,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-22 10:04:49,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-22 10:04:49,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-22 10:04:49,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-22 10:04:49,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (1/1) ... [2018-10-22 10:04:49,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-22 10:04:49,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-22 10:04:49,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-22 10:04:49,635 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-22 10:04:49,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (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 [2018-10-22 10:04:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure bubblesort [2018-10-22 10:04:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bubblesort [2018-10-22 10:04:49,790 INFO L130 BoogieDeclarations]: Found specification of procedure q1 [2018-10-22 10:04:49,790 INFO L138 BoogieDeclarations]: Found implementation of procedure q1 [2018-10-22 10:04:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-22 10:04:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-22 10:04:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-22 10:04:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-22 10:04:49,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-22 10:04:49,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-22 10:04:50,748 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-22 10:04:50,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:04:50 BoogieIcfgContainer [2018-10-22 10:04:50,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-22 10:04:50,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-22 10:04:50,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-22 10:04:50,754 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-22 10:04:50,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 10:04:49" (1/3) ... [2018-10-22 10:04:50,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58eeba8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:04:50, skipping insertion in model container [2018-10-22 10:04:50,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 10:04:49" (2/3) ... [2018-10-22 10:04:50,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58eeba8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 10:04:50, skipping insertion in model container [2018-10-22 10:04:50,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:04:50" (3/3) ... [2018-10-22 10:04:50,760 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_true-unreach-call_true-termination.i [2018-10-22 10:04:50,771 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-22 10:04:50,780 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2018-10-22 10:04:50,798 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2018-10-22 10:04:50,834 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-22 10:04:50,835 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-22 10:04:50,835 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-22 10:04:50,835 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-22 10:04:50,836 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-22 10:04:50,836 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-22 10:04:50,836 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-22 10:04:50,836 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-22 10:04:50,836 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-22 10:04:50,856 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-10-22 10:04:50,864 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-22 10:04:50,872 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 37 states. [2018-10-22 10:04:51,025 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 31) no Hoare annotation was computed. [2018-10-22 10:04:51,025 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 32) no Hoare annotation was computed. [2018-10-22 10:04:51,025 INFO L425 ceAbstractionStarter]: For program point L19-3(lines 19 31) no Hoare annotation was computed. [2018-10-22 10:04:51,026 INFO L428 ceAbstractionStarter]: At program point L19-4(lines 19 31) the Hoare annotation is: true [2018-10-22 10:04:51,026 INFO L425 ceAbstractionStarter]: For program point L17-3(lines 17 32) no Hoare annotation was computed. [2018-10-22 10:04:51,026 INFO L425 ceAbstractionStarter]: For program point bubblesortEXIT(lines 13 33) no Hoare annotation was computed. [2018-10-22 10:04:51,026 INFO L428 ceAbstractionStarter]: At program point L17-4(lines 17 32) the Hoare annotation is: true [2018-10-22 10:04:51,026 INFO L425 ceAbstractionStarter]: For program point L17-5(lines 13 33) no Hoare annotation was computed. [2018-10-22 10:04:51,028 INFO L428 ceAbstractionStarter]: At program point bubblesortENTRY(lines 13 33) the Hoare annotation is: true [2018-10-22 10:04:51,029 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 29) no Hoare annotation was computed. [2018-10-22 10:04:51,029 INFO L425 ceAbstractionStarter]: For program point L22(lines 22 30) no Hoare annotation was computed. [2018-10-22 10:04:51,030 INFO L428 ceAbstractionStarter]: At program point L60(lines 60 77) the Hoare annotation is: true [2018-10-22 10:04:51,031 INFO L425 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-10-22 10:04:51,031 INFO L425 ceAbstractionStarter]: For program point L69-3(line 69) no Hoare annotation was computed. [2018-10-22 10:04:51,031 INFO L425 ceAbstractionStarter]: For program point L65(line 65) no Hoare annotation was computed. [2018-10-22 10:04:51,032 INFO L428 ceAbstractionStarter]: At program point L69-4(line 69) the Hoare annotation is: true [2018-10-22 10:04:51,032 INFO L425 ceAbstractionStarter]: For program point L69-5(line 69) no Hoare annotation was computed. [2018-10-22 10:04:51,032 INFO L428 ceAbstractionStarter]: At program point L78(line 78) the Hoare annotation is: true [2018-10-22 10:04:51,032 INFO L425 ceAbstractionStarter]: For program point L78-1(line 78) no Hoare annotation was computed. [2018-10-22 10:04:51,032 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 70 75) no Hoare annotation was computed. [2018-10-22 10:04:51,032 INFO L425 ceAbstractionStarter]: For program point L70-3(lines 70 75) no Hoare annotation was computed. [2018-10-22 10:04:51,032 INFO L428 ceAbstractionStarter]: At program point L70-4(lines 70 75) the Hoare annotation is: true [2018-10-22 10:04:51,032 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-10-22 10:04:51,033 INFO L428 ceAbstractionStarter]: At program point q1ENTRY(lines 53 79) the Hoare annotation is: true [2018-10-22 10:04:51,033 INFO L425 ceAbstractionStarter]: For program point L66-3(line 66) no Hoare annotation was computed. [2018-10-22 10:04:51,033 INFO L425 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-10-22 10:04:51,033 INFO L428 ceAbstractionStarter]: At program point L66-4(line 66) the Hoare annotation is: true [2018-10-22 10:04:51,033 INFO L425 ceAbstractionStarter]: For program point q1FINAL(lines 53 79) no Hoare annotation was computed. [2018-10-22 10:04:51,033 INFO L425 ceAbstractionStarter]: For program point q1EXIT(lines 53 79) no Hoare annotation was computed. [2018-10-22 10:04:51,033 INFO L425 ceAbstractionStarter]: For program point L63-1(line 63) no Hoare annotation was computed. [2018-10-22 10:04:51,034 INFO L425 ceAbstractionStarter]: For program point L63-3(line 63) no Hoare annotation was computed. [2018-10-22 10:04:51,037 INFO L428 ceAbstractionStarter]: At program point L63-4(line 63) the Hoare annotation is: true [2018-10-22 10:04:51,037 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-10-22 10:04:51,037 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-10-22 10:04:51,037 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-22 10:04:51,039 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-22 10:04:51,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-22 10:04:51,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-22 10:04:51,039 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-22 10:04:51,039 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-22 10:04:51,039 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-22 10:04:51,039 INFO L425 ceAbstractionStarter]: For program point L82-1(line 82) no Hoare annotation was computed. [2018-10-22 10:04:51,040 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 80 84) the Hoare annotation is: true [2018-10-22 10:04:51,040 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 80 84) no Hoare annotation was computed. [2018-10-22 10:04:51,040 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 80 84) no Hoare annotation was computed. [2018-10-22 10:04:51,040 INFO L428 ceAbstractionStarter]: At program point L82(line 82) the Hoare annotation is: true [2018-10-22 10:04:51,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 10:04:51 BoogieIcfgContainer [2018-10-22 10:04:51,050 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-22 10:04:51,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-22 10:04:51,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-22 10:04:51,051 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-22 10:04:51,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 10:04:50" (3/4) ... [2018-10-22 10:04:51,056 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-22 10:04:51,064 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure bubblesort [2018-10-22 10:04:51,065 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure q1 [2018-10-22 10:04:51,065 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-22 10:04:51,065 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-22 10:04:51,073 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-10-22 10:04:51,074 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-10-22 10:04:51,074 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-10-22 10:04:51,075 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-22 10:04:51,154 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UTaipan-linux/witness.graphml [2018-10-22 10:04:51,154 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-22 10:04:51,155 INFO L168 Benchmark]: Toolchain (without parser) took 2051.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -107.5 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-10-22 10:04:51,157 INFO L168 Benchmark]: CDTParser took 0.22 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. [2018-10-22 10:04:51,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.43 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. [2018-10-22 10:04:51,158 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.37 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. [2018-10-22 10:04:51,159 INFO L168 Benchmark]: Boogie Preprocessor took 66.86 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. [2018-10-22 10:04:51,159 INFO L168 Benchmark]: RCFGBuilder took 1114.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-10-22 10:04:51,161 INFO L168 Benchmark]: TraceAbstraction took 300.11 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-10-22 10:04:51,162 INFO L168 Benchmark]: Witness Printer took 103.61 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-10-22 10:04:51,171 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 388.43 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 72.37 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 66.86 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 1114.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 300.11 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * Witness Printer took 103.61 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: 6.9 MB). Peak memory consumption was 6.9 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, 0.2s 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=37occurred 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...