./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 ................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 01:56:55,480 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 01:56:55,482 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 01:56:55,500 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 01:56:55,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 01:56:55,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 01:56:55,504 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 01:56:55,506 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 01:56:55,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 01:56:55,509 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 01:56:55,512 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 01:56:55,512 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 01:56:55,514 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 01:56:55,515 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 01:56:55,517 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 01:56:55,518 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 01:56:55,519 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 01:56:55,530 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 01:56:55,532 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 01:56:55,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 01:56:55,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 01:56:55,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 01:56:55,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 01:56:55,543 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 01:56:55,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 01:56:55,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 01:56:55,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 01:56:55,547 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 01:56:55,548 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 01:56:55,550 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 01:56:55,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 01:56:55,553 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 01:56:55,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 01:56:55,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 01:56:55,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 01:56:55,556 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 01:56:55,556 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-14 01:56:55,587 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 01:56:55,587 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 01:56:55,589 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 01:56:55,589 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 01:56:55,589 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 01:56:55,589 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 01:56:55,589 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 01:56:55,590 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 01:56:55,592 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-14 01:56:55,593 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-14 01:56:55,594 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 01:56:55,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 01:56:55,594 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 01:56:55,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-14 01:56:55,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 01:56:55,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 01:56:55,596 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 01:56:55,596 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 01:56:55,596 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 01:56:55,597 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 01:56:55,597 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 01:56:55,597 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-14 01:56:55,597 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 01:56:55,597 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 01:56:55,597 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-14 01:56:55,598 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/UAutomizer-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 ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> ceb806ae997f94b7f09b4e2dce31a0e63ff1a329 [2019-01-14 01:56:55,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 01:56:55,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 01:56:55,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 01:56:55,661 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 01:56:55,661 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 01:56:55,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2019-01-14 01:56:55,738 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3255604ff/7e645b13cf714260b5b8b39fc409cf5d/FLAGe9fd865fd [2019-01-14 01:56:56,146 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 01:56:56,147 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2019-01-14 01:56:56,152 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3255604ff/7e645b13cf714260b5b8b39fc409cf5d/FLAGe9fd865fd [2019-01-14 01:56:56,537 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3255604ff/7e645b13cf714260b5b8b39fc409cf5d [2019-01-14 01:56:56,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 01:56:56,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 01:56:56,545 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 01:56:56,545 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 01:56:56,549 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 01:56:56,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@707b848b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56, skipping insertion in model container [2019-01-14 01:56:56,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 01:56:56,585 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 01:56:56,822 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:56:56,830 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 01:56:56,854 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 01:56:56,873 INFO L195 MainTranslator]: Completed translation [2019-01-14 01:56:56,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56 WrapperNode [2019-01-14 01:56:56,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 01:56:56,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 01:56:56,875 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 01:56:56,875 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 01:56:56,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,892 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 01:56:56,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 01:56:56,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 01:56:56,909 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 01:56:56,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,926 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... [2019-01-14 01:56:56,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 01:56:56,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 01:56:56,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 01:56:56,929 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 01:56:56,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2019-01-14 01:56:57,070 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-01-14 01:56:57,071 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-01-14 01:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 01:56:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 01:56:57,072 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-01-14 01:56:57,072 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-01-14 01:56:57,394 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 01:56:57,394 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 01:56:57,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:56:57 BoogieIcfgContainer [2019-01-14 01:56:57,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 01:56:57,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 01:56:57,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 01:56:57,401 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 01:56:57,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 01:56:56" (1/3) ... [2019-01-14 01:56:57,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3163bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:56:57, skipping insertion in model container [2019-01-14 01:56:57,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 01:56:56" (2/3) ... [2019-01-14 01:56:57,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3163bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 01:56:57, skipping insertion in model container [2019-01-14 01:56:57,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:56:57" (3/3) ... [2019-01-14 01:56:57,404 INFO L112 eAbstractionObserver]: Analyzing ICFG id2_b3_o5_true-unreach-call_true-termination_true-no-overflow.c [2019-01-14 01:56:57,423 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 01:56:57,441 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-14 01:56:57,460 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-14 01:56:57,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 01:56:57,486 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 01:56:57,486 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-14 01:56:57,486 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 01:56:57,487 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 01:56:57,487 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 01:56:57,487 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 01:56:57,487 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 01:56:57,487 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 01:56:57,505 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-01-14 01:56:57,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-14 01:56:57,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-01-14 01:56:57,584 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-01-14 01:56:57,585 INFO L451 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-01-14 01:56:57,585 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-14 01:56:57,585 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-01-14 01:56:57,585 INFO L448 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-01-14 01:56:57,585 INFO L451 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-01-14 01:56:57,586 INFO L448 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-01-14 01:56:57,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-14 01:56:57,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-14 01:56:57,586 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-14 01:56:57,586 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-01-14 01:56:57,587 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-01-14 01:56:57,587 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-01-14 01:56:57,587 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-14 01:56:57,587 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-01-14 01:56:57,587 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-01-14 01:56:57,588 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-01-14 01:56:57,588 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-01-14 01:56:57,588 INFO L451 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-01-14 01:56:57,589 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-01-14 01:56:57,589 INFO L448 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-01-14 01:56:57,589 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-01-14 01:56:57,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 01:56:57 BoogieIcfgContainer [2019-01-14 01:56:57,595 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 01:56:57,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 01:56:57,596 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 01:56:57,596 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 01:56:57,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 01:56:57" (3/4) ... [2019-01-14 01:56:57,601 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-14 01:56:57,610 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-01-14 01:56:57,611 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-01-14 01:56:57,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-14 01:56:57,617 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-14 01:56:57,667 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 01:56:57,668 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 01:56:57,669 INFO L168 Benchmark]: Toolchain (without parser) took 1126.16 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -110.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:56:57,671 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:56:57,671 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:56:57,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.15 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:56:57,674 INFO L168 Benchmark]: Boogie Preprocessor took 18.87 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 01:56:57,674 INFO L168 Benchmark]: RCFGBuilder took 467.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2019-01-14 01:56:57,675 INFO L168 Benchmark]: TraceAbstraction took 197.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2019-01-14 01:56:57,676 INFO L168 Benchmark]: Witness Printer took 72.48 ms. Allocated memory is still 1.1 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. [2019-01-14 01:56:57,681 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.40 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 34.15 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.87 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 467.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 197.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Witness Printer took 72.48 ms. Allocated memory is still 1.1 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 0 error locations. SAFE Result, 0.1s OverallTime, 0 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...