./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/recursive-simple/id2_b3_o2_false-unreach-call_true-termination_true-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2e94e6aa 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_o2_false-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 a033d09eab07f8bc6e49bb4301ebd6c89110f535 .................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:14:14,694 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:14:14,696 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:14:14,709 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:14:14,709 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:14:14,711 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:14:14,712 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:14:14,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:14:14,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:14:14,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:14:14,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:14:14,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:14:14,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:14:14,720 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:14:14,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:14:14,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:14:14,723 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:14:14,725 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:14:14,727 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:14:14,729 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:14:14,730 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:14:14,731 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:14:14,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:14:14,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:14:14,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:14:14,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:14:14,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:14:14,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:14:14,738 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:14:14,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:14:14,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:14:14,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:14:14,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:14:14,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:14:14,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:14:14,743 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:14:14,744 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-01-01 21:14:14,766 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:14:14,767 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:14:14,768 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:14:14,768 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:14:14,771 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:14:14,772 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:14:14,772 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 21:14:14,772 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:14:14,772 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:14:14,772 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2019-01-01 21:14:14,773 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 21:14:14,776 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:14:14,776 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:14:14,776 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-01 21:14:14,777 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:14:14,777 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:14:14,777 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-01 21:14:14,777 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-01 21:14:14,777 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-01 21:14:14,778 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:14:14,778 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-01 21:14:14,778 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-01 21:14:14,778 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:14:14,778 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-01 21:14:14,778 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-01 21:14:14,780 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 -> a033d09eab07f8bc6e49bb4301ebd6c89110f535 [2019-01-01 21:14:14,840 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:14:14,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:14:14,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:14:14,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:14:14,873 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:14:14,873 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/id2_b3_o2_false-unreach-call_true-termination_true-no-overflow.c [2019-01-01 21:14:14,943 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0168add/f3f90e6d1a3c4af58adc1d1e3610ae4f/FLAG6c20cb1cc [2019-01-01 21:14:15,380 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:14:15,381 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/id2_b3_o2_false-unreach-call_true-termination_true-no-overflow.c [2019-01-01 21:14:15,393 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0168add/f3f90e6d1a3c4af58adc1d1e3610ae4f/FLAG6c20cb1cc [2019-01-01 21:14:15,773 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c0168add/f3f90e6d1a3c4af58adc1d1e3610ae4f [2019-01-01 21:14:15,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:14:15,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:14:15,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:14:15,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:14:15,785 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:14:15,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:14:15" (1/1) ... [2019-01-01 21:14:15,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a296a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:15, skipping insertion in model container [2019-01-01 21:14:15,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:14:15" (1/1) ... [2019-01-01 21:14:15,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:14:15,821 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:14:16,070 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:14:16,079 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:14:16,107 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:14:16,126 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:14:16,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16 WrapperNode [2019-01-01 21:14:16,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:14:16,128 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:14:16,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:14:16,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:14:16,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,167 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:14:16,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:14:16,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:14:16,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:14:16,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (1/1) ... [2019-01-01 21:14:16,193 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:14:16,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:14:16,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:14:16,194 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:14:16,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (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 [2019-01-01 21:14:16,394 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-01-01 21:14:16,395 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-01-01 21:14:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:14:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:14:16,396 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-01-01 21:14:16,396 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-01-01 21:14:16,744 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:14:16,744 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 21:14:16,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:14:16 BoogieIcfgContainer [2019-01-01 21:14:16,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:14:16,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-01 21:14:16,749 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-01 21:14:16,755 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-01 21:14:16,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.01 09:14:15" (1/3) ... [2019-01-01 21:14:16,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c75a3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:14:16, skipping insertion in model container [2019-01-01 21:14:16,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:14:16" (2/3) ... [2019-01-01 21:14:16,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c75a3bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.01 09:14:16, skipping insertion in model container [2019-01-01 21:14:16,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:14:16" (3/3) ... [2019-01-01 21:14:16,765 INFO L112 eAbstractionObserver]: Analyzing ICFG id2_b3_o2_false-unreach-call_true-termination_true-no-overflow.c [2019-01-01 21:14:16,781 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-01 21:14:16,791 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-01-01 21:14:16,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-01-01 21:14:16,855 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:14:16,856 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-01 21:14:16,857 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-01 21:14:16,857 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-01 21:14:16,858 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:14:16,858 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:14:16,858 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-01 21:14:16,858 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:14:16,859 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-01 21:14:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-01-01 21:14:16,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-01 21:14:16,899 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-01-01 21:14:16,965 INFO L448 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-01-01 21:14:16,966 INFO L451 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-01-01 21:14:16,966 INFO L448 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-01-01 21:14:16,966 INFO L448 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-01-01 21:14:16,966 INFO L448 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-01-01 21:14:16,967 INFO L451 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-01-01 21:14:16,968 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-01-01 21:14:16,970 INFO L451 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-01-01 21:14:16,970 INFO L448 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-01-01 21:14:16,970 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-01-01 21:14:16,970 INFO L448 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-01-01 21:14:16,970 INFO L448 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-01-01 21:14:16,971 INFO L448 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-01-01 21:14:16,971 INFO L451 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-01-01 21:14:16,971 INFO L448 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-01-01 21:14:16,972 INFO L448 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-01-01 21:14:16,972 INFO L451 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-01-01 21:14:16,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.01 09:14:16 BoogieIcfgContainer [2019-01-01 21:14:16,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-01 21:14:16,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:14:16,980 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:14:16,980 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:14:16,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:14:16" (3/4) ... [2019-01-01 21:14:16,986 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-01 21:14:16,996 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-01-01 21:14:16,997 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-01-01 21:14:17,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-01-01 21:14:17,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-01 21:14:17,055 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 21:14:17,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:14:17,056 INFO L168 Benchmark]: Toolchain (without parser) took 1278.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:14:17,058 INFO L168 Benchmark]: CDTParser took 1.23 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. [2019-01-01 21:14:17,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:14:17,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.70 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:14:17,059 INFO L168 Benchmark]: Boogie Preprocessor took 25.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:14:17,060 INFO L168 Benchmark]: RCFGBuilder took 551.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-01 21:14:17,061 INFO L168 Benchmark]: TraceAbstraction took 230.44 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. [2019-01-01 21:14:17,061 INFO L168 Benchmark]: Witness Printer took 75.64 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. [2019-01-01 21:14:17,065 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.23 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 346.26 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 39.70 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.37 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 551.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 230.44 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. * Witness Printer took 75.64 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. - 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...