./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive-simple/afterrec_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination 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/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive-simple/afterrec_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 e8f83f4c04fbac90273b8f8e733ac05d1463068f .................................................................................................................................................................................................................................................................................................................................................................... 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 04:33:30,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:33:30,992 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:33:31,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:33:31,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:33:31,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:33:31,007 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:33:31,009 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:33:31,010 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:33:31,011 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:33:31,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:33:31,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:33:31,013 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:33:31,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:33:31,015 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:33:31,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:33:31,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:33:31,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:33:31,021 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:33:31,023 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:33:31,025 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:33:31,026 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:33:31,029 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:33:31,029 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:33:31,029 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:33:31,030 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:33:31,031 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:33:31,032 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:33:31,033 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:33:31,035 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:33:31,035 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:33:31,036 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:33:31,036 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:33:31,036 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:33:31,037 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:33:31,038 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:33:31,039 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:33:31,056 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:33:31,057 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:33:31,058 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:33:31,058 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:33:31,058 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:33:31,059 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:33:31,059 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:33:31,059 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:33:31,059 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:33:31,059 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:33:31,060 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:33:31,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:33:31,060 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:33:31,060 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:33:31,060 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:33:31,060 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:33:31,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:33:31,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:33:31,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:33:31,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:33:31,061 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:33:31,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:33:31,062 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:33:31,062 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:33:31,062 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:33:31,062 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:33:31,062 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:33:31,063 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:33:31,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:33:31,063 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:33:31,063 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:33:31,064 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:33:31,064 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 -> e8f83f4c04fbac90273b8f8e733ac05d1463068f [2019-01-14 04:33:31,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:33:31,130 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:33:31,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:33:31,140 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:33:31,140 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:33:31,141 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/afterrec_false-unreach-call_true-termination.c [2019-01-14 04:33:31,213 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc4d6d12/22ba7e07695f408db2c59db811e8e3b0/FLAG771f2c096 [2019-01-14 04:33:31,701 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:33:31,701 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/afterrec_false-unreach-call_true-termination.c [2019-01-14 04:33:31,707 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc4d6d12/22ba7e07695f408db2c59db811e8e3b0/FLAG771f2c096 [2019-01-14 04:33:32,009 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bc4d6d12/22ba7e07695f408db2c59db811e8e3b0 [2019-01-14 04:33:32,013 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:33:32,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:33:32,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:33:32,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:33:32,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:33:32,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7781a485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32, skipping insertion in model container [2019-01-14 04:33:32,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:33:32,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:33:32,211 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:33:32,215 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:33:32,227 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:33:32,240 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:33:32,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32 WrapperNode [2019-01-14 04:33:32,241 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:33:32,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:33:32,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:33:32,242 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:33:32,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:33:32,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:33:32,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:33:32,271 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:33:32,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (1/1) ... [2019-01-14 04:33:32,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:33:32,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:33:32,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:33:32,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:33:32,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (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 [2019-01-14 04:33:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-01-14 04:33:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-01-14 04:33:32,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:33:32,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:33:32,562 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:33:32,562 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 04:33:32,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:32 BoogieIcfgContainer [2019-01-14 04:33:32,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:33:32,565 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:33:32,565 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:33:32,568 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:33:32,569 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:32,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:33:32" (1/3) ... [2019-01-14 04:33:32,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2159184f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:33:32, skipping insertion in model container [2019-01-14 04:33:32,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:32,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:33:32" (2/3) ... [2019-01-14 04:33:32,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2159184f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:33:32, skipping insertion in model container [2019-01-14 04:33:32,571 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:33:32,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:32" (3/3) ... [2019-01-14 04:33:32,574 INFO L375 chiAutomizerObserver]: Analyzing ICFG afterrec_false-unreach-call_true-termination.c [2019-01-14 04:33:32,628 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:33:32,629 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:33:32,629 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:33:32,629 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:33:32,629 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:33:32,629 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:33:32,629 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:33:32,630 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:33:32,630 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:33:32,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-14 04:33:32,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:33:32,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:33:32,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:33:32,683 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 04:33:32,683 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 04:33:32,683 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:33:32,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-14 04:33:32,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 04:33:32,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:33:32,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:33:32,686 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 04:33:32,686 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 04:33:32,692 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res; 6#L11true call f(4);< 8#fENTRYtrue [2019-01-14 04:33:32,692 INFO L796 eck$LassoCheckResult]: Loop: 8#fENTRYtrue ~n := #in~n; 7#L4true assume !(~n < 3);#t~post0 := ~n;~n := #t~post0 - 1;havoc #t~post0; 13#L6true call f(~n);< 8#fENTRYtrue [2019-01-14 04:33:32,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:32,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-01-14 04:33:32,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:32,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:32,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:32,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:32,783 INFO L82 PathProgramCache]: Analyzing trace with hash 29930, now seen corresponding path program 1 times [2019-01-14 04:33:32,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:32,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:32,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:32,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:32,802 INFO L82 PathProgramCache]: Analyzing trace with hash 38370947, now seen corresponding path program 1 times [2019-01-14 04:33:32,803 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:33:32,803 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:33:32,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,804 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:33:32,804 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:33:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:33:32,990 WARN L181 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-14 04:33:33,136 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:33,138 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:33,138 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:33,138 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:33,138 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:33:33,138 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:33,139 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:33,139 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:33,139 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_false-unreach-call_true-termination.c_Iteration1_Loop [2019-01-14 04:33:33,139 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:33,140 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:33,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,276 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:33,277 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 [2019-01-14 04:33:33,282 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:33:33,282 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 04:33:33,312 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:33:33,313 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:33:33,369 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:33:33,372 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:33:33,372 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:33:33,372 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:33:33,372 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:33:33,372 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:33:33,372 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:33:33,372 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:33:33,373 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:33:33,373 INFO L131 ssoRankerPreferences]: Filename of dumped script: afterrec_false-unreach-call_true-termination.c_Iteration1_Loop [2019-01-14 04:33:33,373 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:33:33,373 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:33:33,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:33:33,591 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:33:33,598 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:33:33,601 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 [2019-01-14 04:33:33,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:33,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:33,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:33,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:33,606 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:33,609 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:33,609 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:33,617 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:33:33,617 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 [2019-01-14 04:33:33,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:33:33,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:33:33,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:33:33,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:33:33,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:33:33,623 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:33:33,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:33:33,638 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:33:33,652 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:33:33,653 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 04:33:33,657 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:33:33,657 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:33:33,659 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:33:33,660 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(f_#in~n) = 1*f_#in~n Supporting invariants [] [2019-01-14 04:33:33,661 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:33:33,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:33:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:33,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:33:33,851 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:33:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:33:33,965 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-14 04:33:33,966 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 4 states. [2019-01-14 04:33:34,210 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 10 [2019-01-14 04:33:34,251 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 4 states. Result 36 states and 38 transitions. Complement of second has 19 states. [2019-01-14 04:33:34,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2019-01-14 04:33:34,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:33:34,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2019-01-14 04:33:34,259 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-14 04:33:34,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:34,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-14 04:33:34,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:34,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 04:33:34,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:33:34,263 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 38 transitions. [2019-01-14 04:33:34,270 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:34,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2019-01-14 04:33:34,275 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:33:34,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:33:34,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:33:34,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:33:34,276 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:34,276 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:34,276 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:33:34,276 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:33:34,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:33:34,277 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:33:34,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:33:34,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:33:34 BoogieIcfgContainer [2019-01-14 04:33:34,284 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:33:34,284 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:33:34,284 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:33:34,285 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:33:34,285 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:33:32" (3/4) ... [2019-01-14 04:33:34,289 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:33:34,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:33:34,290 INFO L168 Benchmark]: Toolchain (without parser) took 2276.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 951.4 MB in the beginning and 978.5 MB in the end (delta: -27.1 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:34,292 INFO L168 Benchmark]: CDTParser took 0.46 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 04:33:34,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.46 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. [2019-01-14 04:33:34,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.90 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. [2019-01-14 04:33:34,295 INFO L168 Benchmark]: Boogie Preprocessor took 17.39 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. [2019-01-14 04:33:34,296 INFO L168 Benchmark]: RCFGBuilder took 275.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:34,297 INFO L168 Benchmark]: BuchiAutomizer took 1719.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:33:34,298 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 1.1 GB. Free memory is still 978.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:33:34,304 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 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 225.46 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 28.90 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 17.39 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 275.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 68.2 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -113.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1719.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 978.5 MB in the end (delta: 75.4 MB). Peak memory consumption was 75.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 ms. Allocated memory is still 1.1 GB. Free memory is still 978.5 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 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. 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: 4 SDtfs, 6 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...