./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-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(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7757e3f263599cd02799bfad01adb3bcaa895e82 ................................................................................................................................................................................................................................................................................................................................................................... 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 23:54:09,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:54:09,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:54:09,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:54:09,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:54:09,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:54:09,674 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:54:09,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:54:09,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:54:09,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:54:09,680 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:54:09,680 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:54:09,681 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:54:09,682 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:54:09,683 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:54:09,684 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:54:09,684 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:54:09,687 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:54:09,691 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:54:09,693 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:54:09,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:54:09,702 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:54:09,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:54:09,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:54:09,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:54:09,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:54:09,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:54:09,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:54:09,713 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:54:09,714 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:54:09,714 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:54:09,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:54:09,715 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:54:09,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:54:09,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:54:09,717 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:54:09,717 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:54:09,747 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:54:09,747 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:54:09,749 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:54:09,749 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:54:09,750 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:54:09,750 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:54:09,750 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:54:09,750 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:54:09,750 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:54:09,750 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:54:09,751 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:54:09,751 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:54:09,751 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:54:09,751 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:54:09,751 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:54:09,751 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:54:09,754 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:54:09,754 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:54:09,754 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:54:09,754 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:54:09,754 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:54:09,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:54:09,755 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:54:09,755 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:54:09,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:54:09,755 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:54:09,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:54:09,756 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:54:09,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:54:09,756 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:54:09,756 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:54:09,757 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:54:09,757 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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(F end) ) 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 -> 7757e3f263599cd02799bfad01adb3bcaa895e82 [2019-01-01 23:54:09,799 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:54:09,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:54:09,818 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:54:09,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:54:09,820 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:54:09,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c [2019-01-01 23:54:09,883 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/822c3eb7a/cf75e83e4ae34582a9cd67ca54fe928e/FLAG279054008 [2019-01-01 23:54:10,335 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:54:10,340 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/afterrec_2calls_false-unreach-call_true-termination.c [2019-01-01 23:54:10,348 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/822c3eb7a/cf75e83e4ae34582a9cd67ca54fe928e/FLAG279054008 [2019-01-01 23:54:10,664 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/822c3eb7a/cf75e83e4ae34582a9cd67ca54fe928e [2019-01-01 23:54:10,668 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:54:10,669 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:54:10,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:54:10,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:54:10,674 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:54:10,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:10,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e89023c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10, skipping insertion in model container [2019-01-01 23:54:10,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:10,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:54:10,707 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:54:10,932 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:54:10,938 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:54:10,957 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:54:10,976 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:54:10,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10 WrapperNode [2019-01-01 23:54:10,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:54:10,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:54:10,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:54:10,979 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:54:10,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:10,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:54:11,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:54:11,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:54:11,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:54:11,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (1/1) ... [2019-01-01 23:54:11,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:54:11,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:54:11,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:54:11,043 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:54:11,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:11,175 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-01 23:54:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-01 23:54:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:54:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:54:11,176 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2019-01-01 23:54:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2019-01-01 23:54:11,340 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:54:11,340 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 23:54:11,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:54:11 BoogieIcfgContainer [2019-01-01 23:54:11,341 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:54:11,342 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:54:11,342 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:54:11,347 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:54:11,348 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:54:11,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:54:10" (1/3) ... [2019-01-01 23:54:11,350 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37869dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:54:11, skipping insertion in model container [2019-01-01 23:54:11,350 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:54:11,350 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:54:10" (2/3) ... [2019-01-01 23:54:11,351 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37869dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:54:11, skipping insertion in model container [2019-01-01 23:54:11,351 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:54:11,351 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:54:11" (3/3) ... [2019-01-01 23:54:11,353 INFO L375 chiAutomizerObserver]: Analyzing ICFG afterrec_2calls_false-unreach-call_true-termination.c [2019-01-01 23:54:11,417 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:54:11,418 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:54:11,418 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:54:11,418 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:54:11,418 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:54:11,419 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:54:11,419 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:54:11,419 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:54:11,419 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:54:11,440 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-01-01 23:54:11,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:54:11,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:54:11,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:54:11,498 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:54:11,498 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:54:11,499 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:54:11,499 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2019-01-01 23:54:11,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-01-01 23:54:11,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:54:11,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:54:11,502 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 23:54:11,502 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:54:11,509 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue havoc main_#res; 12#L21true call f(4);< 17#fENTRYtrue [2019-01-01 23:54:11,510 INFO L796 eck$LassoCheckResult]: Loop: 17#fENTRYtrue ~n := #in~n; 9#L7true assume !(~n < 3);#t~post2 := ~n;~n := #t~post2 - 1;havoc #t~post2; 3#L9true call f2(~n);< 7#f2ENTRYtrue ~n := #in~n; 16#L14true assume !(~n < 3);#t~post3 := ~n;~n := #t~post3 - 1;havoc #t~post3; 11#L16true call f(~n);< 17#fENTRYtrue [2019-01-01 23:54:11,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:54:11,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1297, now seen corresponding path program 1 times [2019-01-01 23:54:11,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:54:11,520 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:54:11,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:54:11,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:11,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:54:11,617 INFO L82 PathProgramCache]: Analyzing trace with hash 891927781, now seen corresponding path program 1 times [2019-01-01 23:54:11,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:54:11,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:54:11,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:54:11,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:11,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:11,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:54:11,643 INFO L82 PathProgramCache]: Analyzing trace with hash 45463029, now seen corresponding path program 1 times [2019-01-01 23:54:11,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:54:11,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:54:11,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:54:11,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:54:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:54:12,056 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:54:12,057 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:54:12,057 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:54:12,058 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:54:12,058 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:54:12,058 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:12,058 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:54:12,059 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:54:12,059 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls_false-unreach-call_true-termination.c_Iteration1_Loop [2019-01-01 23:54:12,059 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:54:12,059 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:54:12,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,407 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:54:12,408 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:12,414 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:54:12,415 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:54:12,425 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:54:12,426 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {f2_#t~post3=0} Honda state: {f2_#t~post3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:12,451 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:54:12,451 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:12,479 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:54:12,479 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:54:12,546 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:54:12,548 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:54:12,548 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:54:12,548 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:54:12,548 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:54:12,549 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:54:12,549 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:54:12,549 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:54:12,549 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:54:12,549 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_2calls_false-unreach-call_true-termination.c_Iteration1_Loop [2019-01-01 23:54:12,549 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:54:12,550 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:54:12,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:54:12,758 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:54:12,763 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:54:12,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:54:12,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:54:12,767 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:54:12,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:54:12,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:54:12,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:54:12,770 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:54:12,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:54:12,779 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:54:12,786 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:54:12,787 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 23:54:12,789 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:54:12,789 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:54:12,790 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:54:12,791 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n) = 1*f_#in~n Supporting invariants [] [2019-01-01 23:54:12,792 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:54:12,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:54:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:54:12,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:54:13,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:54:13,012 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:54:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:54:13,502 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2019-01-01 23:54:13,503 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 7 states. [2019-01-01 23:54:13,857 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2019-01-01 23:54:14,324 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 7 states. Result 55 states and 61 transitions. Complement of second has 26 states. [2019-01-01 23:54:14,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2019-01-01 23:54:14,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-01 23:54:14,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 23 transitions. [2019-01-01 23:54:14,331 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-01 23:54:14,332 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:54:14,332 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 8 letters. Loop has 6 letters. [2019-01-01 23:54:14,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:54:14,333 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 23 transitions. Stem has 2 letters. Loop has 12 letters. [2019-01-01 23:54:14,333 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:54:14,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 61 transitions. [2019-01-01 23:54:14,340 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:54:14,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 0 states and 0 transitions. [2019-01-01 23:54:14,345 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:54:14,346 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:54:14,346 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:54:14,346 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:54:14,347 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:54:14,347 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:54:14,347 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:54:14,347 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:54:14,347 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:54:14,347 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:54:14,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:54:14,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:54:14 BoogieIcfgContainer [2019-01-01 23:54:14,355 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:54:14,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:54:14,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:54:14,356 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:54:14,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:54:11" (3/4) ... [2019-01-01 23:54:14,360 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:54:14,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:54:14,362 INFO L168 Benchmark]: Toolchain (without parser) took 3693.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 998.9 MB in the end (delta: -47.5 MB). Peak memory consumption was 81.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:54:14,363 INFO L168 Benchmark]: CDTParser took 0.16 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 23:54:14,364 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:54:14,365 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.56 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:54:14,365 INFO L168 Benchmark]: Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:54:14,366 INFO L168 Benchmark]: RCFGBuilder took 298.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:54:14,367 INFO L168 Benchmark]: BuchiAutomizer took 3013.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:54:14,368 INFO L168 Benchmark]: Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 998.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:54:14,373 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 307.21 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 41.56 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.85 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 298.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3013.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 998.9 MB in the end (delta: 106.3 MB). Peak memory consumption was 106.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 998.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.3s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 49 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...