./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/EvenOdd01-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/recursive/EvenOdd01-1.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 bec5669c6fe02e51518958076fea4487ada345cf ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:43:16,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:43:16,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:43:16,229 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:43:16,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:43:16,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:43:16,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:43:16,245 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:43:16,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:43:16,252 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:43:16,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:43:16,256 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:43:16,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:43:16,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:43:16,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:43:16,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:43:16,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:43:16,266 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:43:16,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:43:16,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:43:16,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:43:16,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:43:16,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:43:16,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:43:16,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:43:16,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:43:16,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:43:16,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:43:16,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:43:16,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:43:16,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:43:16,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:43:16,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:43:16,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:43:16,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:43:16,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:43:16,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:43:16,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:43:16,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:43:16,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:43:16,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:43:16,302 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:43:16,335 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:43:16,335 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:43:16,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:43:16,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:43:16,338 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:43:16,338 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:43:16,339 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:43:16,339 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:43:16,339 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:43:16,339 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:43:16,340 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:43:16,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:43:16,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:43:16,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:43:16,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:43:16,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:43:16,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:43:16,342 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:43:16,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:43:16,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:43:16,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:43:16,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:43:16,343 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:43:16,343 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:43:16,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:43:16,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:43:16,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:43:16,344 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:43:16,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:43:16,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:43:16,345 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:43:16,347 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:43:16,347 INFO L138 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 -> bec5669c6fe02e51518958076fea4487ada345cf [2019-11-28 03:43:16,702 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:43:16,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:43:16,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:43:16,723 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:43:16,724 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:43:16,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/EvenOdd01-1.c [2019-11-28 03:43:16,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c46e9d0d/f450e23952024c3b988297c47b6d150c/FLAGa290ccc5a [2019-11-28 03:43:17,240 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:43:17,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/EvenOdd01-1.c [2019-11-28 03:43:17,247 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c46e9d0d/f450e23952024c3b988297c47b6d150c/FLAGa290ccc5a [2019-11-28 03:43:17,626 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c46e9d0d/f450e23952024c3b988297c47b6d150c [2019-11-28 03:43:17,630 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:43:17,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:43:17,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:43:17,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:43:17,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:43:17,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:17,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@131603f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17, skipping insertion in model container [2019-11-28 03:43:17,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:17,652 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:43:17,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:43:17,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:43:17,873 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:43:17,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:43:17,917 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:43:17,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17 WrapperNode [2019-11-28 03:43:17,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:43:17,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:43:17,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:43:17,921 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:43:17,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:17,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:17,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:43:17,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:43:17,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:43:17,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:43:18,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (1/1) ... [2019-11-28 03:43:18,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:43:18,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:43:18,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:43:18,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:43:18,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (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 [2019-11-28 03:43:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2019-11-28 03:43:18,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2019-11-28 03:43:18,151 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2019-11-28 03:43:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2019-11-28 03:43:18,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:43:18,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:43:18,363 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:43:18,364 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 03:43:18,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:18 BoogieIcfgContainer [2019-11-28 03:43:18,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:43:18,368 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:43:18,368 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:43:18,389 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:43:18,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:18,391 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:43:17" (1/3) ... [2019-11-28 03:43:18,392 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698c2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:43:18, skipping insertion in model container [2019-11-28 03:43:18,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:18,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:43:17" (2/3) ... [2019-11-28 03:43:18,397 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@698c2c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:43:18, skipping insertion in model container [2019-11-28 03:43:18,397 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:43:18,397 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:18" (3/3) ... [2019-11-28 03:43:18,403 INFO L371 chiAutomizerObserver]: Analyzing ICFG EvenOdd01-1.c [2019-11-28 03:43:18,465 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:43:18,466 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:43:18,466 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:43:18,466 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:43:18,466 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:43:18,467 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:43:18,467 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:43:18,467 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:43:18,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-28 03:43:18,531 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:43:18,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:43:18,531 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:43:18,542 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:43:18,542 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:43:18,542 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:43:18,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-11-28 03:43:18,549 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-11-28 03:43:18,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:43:18,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:43:18,550 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:43:18,550 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:43:18,560 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isOdd(main_~n~0);< 22#isOddENTRYtrue [2019-11-28 03:43:18,561 INFO L796 eck$LassoCheckResult]: Loop: 22#isOddENTRYtrue ~n := #in~n; 20#L17true assume !(0 == ~n); 14#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := isEven(~n - 1);< 9#isEvenENTRYtrue ~n := #in~n; 6#L27true assume !(0 == ~n); 10#L29true assume !(1 == ~n); 23#L32true call #t~ret1 := isOdd(~n - 1);< 22#isOddENTRYtrue [2019-11-28 03:43:18,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:18,569 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2019-11-28 03:43:18,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:18,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52109033] [2019-11-28 03:43:18,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,677 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:18,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:18,679 INFO L82 PathProgramCache]: Analyzing trace with hash -439264315, now seen corresponding path program 1 times [2019-11-28 03:43:18,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:18,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682661045] [2019-11-28 03:43:18,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,706 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:18,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:18,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1128289843, now seen corresponding path program 1 times [2019-11-28 03:43:18,708 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:43:18,709 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206980071] [2019-11-28 03:43:18,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:43:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:43:18,734 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:43:18,976 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:18,977 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:18,977 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:18,978 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:18,978 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:43:18,978 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:18,978 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:18,978 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:18,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Loop [2019-11-28 03:43:18,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:18,979 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:19,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,206 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:19,207 INFO L404 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) [2019-11-28 03:43:19,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,216 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,226 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,226 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=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 [2019-11-28 03:43:19,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:19,244 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=0} Honda state: {isEven_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-11-28 03:43:19,256 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,256 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:19,261 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,262 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:19,273 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,273 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,300 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,316 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:19,316 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:19,394 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,395 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=-8} Honda state: {isOdd_#in~n=-8} Generalized eigenvectors: [{isOdd_#in~n=0}, {isOdd_#in~n=-2}, {isOdd_#in~n=0}] Lambdas: [1, 1, 6] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:19,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,411 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,417 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,417 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:19,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,434 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,440 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,440 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:43:19,461 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:43:19,461 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-28 03:43:19,497 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:19,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:19,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:19,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:19,498 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:43:19,498 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:19,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:19,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Lasso [2019-11-28 03:43:19,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:19,499 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:19,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,536 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,549 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,686 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:19,687 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:19,701 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:43:19,701 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:19,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:43:19,723 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,883 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:43:19,886 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:43:19,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:43:19,886 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:43:19,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:43:19,887 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:43:19,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:19,887 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:43:19,887 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:43:19,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: EvenOdd01-1.c_Iteration1_Lasso [2019-11-28 03:43:19,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:43:19,888 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:43:19,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:19,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:43:20,100 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:43:20,107 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:20,115 INFO L120 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 [2019-11-28 03:43:20,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:20,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:43:20,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:20,120 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:43:20,120 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:43:20,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:43:20,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:20,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:20,141 INFO L120 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 [2019-11-28 03:43:20,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:43:20,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:43:20,144 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:43:20,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:20,170 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 03:43:20,171 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 03:43:20,193 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:43:20,294 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 03:43:20,294 INFO L444 ModelExtractionUtils]: 4 out of 11 variables were initially zero. Simplification set additionally 4 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:43:20,317 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:43:20,323 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-28 03:43:20,323 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:43:20,324 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(isOdd_#in~n) = 1*isOdd_#in~n Supporting invariants [1*isOdd_#in~n >= 0] [2019-11-28 03:43:20,335 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 03:43:20,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:43:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:20,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 03:43:20,406 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:43:20,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 17 conjunts are in the unsatisfiable core [2019-11-28 03:43:20,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:43:20,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:43:20,640 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2019-11-28 03:43:20,642 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2019-11-28 03:43:21,078 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 8 states. Result 87 states and 98 transitions. Complement of second has 29 states. [2019-11-28 03:43:21,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2019-11-28 03:43:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-11-28 03:43:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2019-11-28 03:43:21,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2019-11-28 03:43:21,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:21,092 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2019-11-28 03:43:21,093 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:21,093 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2019-11-28 03:43:21,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:43:21,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2019-11-28 03:43:21,116 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:43:21,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2019-11-28 03:43:21,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:43:21,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:43:21,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:43:21,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:43:21,125 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:21,125 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:21,125 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:43:21,125 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:43:21,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:43:21,126 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:43:21,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:43:21,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:43:21 BoogieIcfgContainer [2019-11-28 03:43:21,134 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:43:21,136 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:43:21,136 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:43:21,136 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:43:21,137 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:43:18" (3/4) ... [2019-11-28 03:43:21,142 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:43:21,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:43:21,146 INFO L168 Benchmark]: Toolchain (without parser) took 3512.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.3 MB in the beginning and 835.5 MB in the end (delta: 120.9 MB). Peak memory consumption was 252.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:21,147 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:21,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:21,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.65 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:21,152 INFO L168 Benchmark]: Boogie Preprocessor took 126.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:21,155 INFO L168 Benchmark]: RCFGBuilder took 282.23 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:21,160 INFO L168 Benchmark]: BuchiAutomizer took 2766.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 835.5 MB in the end (delta: 266.3 MB). Peak memory consumption was 266.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:43:21,161 INFO L168 Benchmark]: Witness Printer took 6.32 ms. Allocated memory is still 1.2 GB. Free memory is still 835.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:43:21,174 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.49 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 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 37.65 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 126.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -174.5 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 282.23 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: 18.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2766.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 835.5 MB in the end (delta: 266.3 MB). Peak memory consumption was 266.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.32 ms. Allocated memory is still 1.2 GB. Free memory is still 835.5 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 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.6s. 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: 15 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq190 hnf97 smp100 dnf483 smp16 tf101 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 193ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...