./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/c.03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/c.03.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 7d32dea9005a55265d6c4ef8382f17d9e27d71b7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 02:59:24,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:59:24,416 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:59:24,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:59:24,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:59:24,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:59:24,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:59:24,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:59:24,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:59:24,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:59:24,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:59:24,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:59:24,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:59:24,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:59:24,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:59:24,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:59:24,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:59:24,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:59:24,471 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:59:24,477 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:59:24,481 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:59:24,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:59:24,483 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:59:24,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:59:24,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:59:24,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:59:24,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:59:24,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:59:24,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:59:24,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:59:24,492 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:59:24,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:59:24,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:59:24,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:59:24,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:59:24,496 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:59:24,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:59:24,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:59:24,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:59:24,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:59:24,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:59:24,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-28 02:59:24,527 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:59:24,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:59:24,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:59:24,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:59:24,529 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:59:24,529 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 02:59:24,530 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 02:59:24,530 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 02:59:24,530 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 02:59:24,530 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 02:59:24,531 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 02:59:24,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:59:24,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:59:24,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:59:24,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:59:24,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 02:59:24,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 02:59:24,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 02:59:24,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:59:24,534 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 02:59:24,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:59:24,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 02:59:24,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:59:24,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:59:24,535 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 02:59:24,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:59:24,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:59:24,535 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 02:59:24,537 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 02:59:24,537 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d32dea9005a55265d6c4ef8382f17d9e27d71b7 [2019-11-28 02:59:24,830 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:59:24,850 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:59:24,853 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:59:24,855 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:59:24,856 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:59:24,857 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/c.03.c [2019-11-28 02:59:24,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316b6181b/d7962f30b9bf49aab7f80118c97f6db3/FLAGfde770cdf [2019-11-28 02:59:25,320 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:59:25,321 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/c.03.c [2019-11-28 02:59:25,327 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316b6181b/d7962f30b9bf49aab7f80118c97f6db3/FLAGfde770cdf [2019-11-28 02:59:25,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/316b6181b/d7962f30b9bf49aab7f80118c97f6db3 [2019-11-28 02:59:25,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:59:25,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:59:25,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:25,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:59:25,698 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:59:25,699 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:25" (1/1) ... [2019-11-28 02:59:25,702 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203a729c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:25, skipping insertion in model container [2019-11-28 02:59:25,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:59:25" (1/1) ... [2019-11-28 02:59:25,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:59:25,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:59:25,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:25,963 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:59:25,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:59:25,999 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:59:26,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26 WrapperNode [2019-11-28 02:59:26,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:59:26,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:26,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:59:26,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:59:26,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,135 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:59:26,136 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:59:26,136 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:59:26,136 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:59:26,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (1/1) ... [2019-11-28 02:59:26,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:59:26,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:59:26,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:59:26,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:59:26,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (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 02:59:26,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:59:26,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:59:26,408 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:59:26,408 INFO L297 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 02:59:26,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:26 BoogieIcfgContainer [2019-11-28 02:59:26,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:59:26,410 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 02:59:26,411 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 02:59:26,414 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 02:59:26,415 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:26,415 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:59:25" (1/3) ... [2019-11-28 02:59:26,416 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdd0a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:26, skipping insertion in model container [2019-11-28 02:59:26,416 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:26,416 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:59:26" (2/3) ... [2019-11-28 02:59:26,417 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7fdd0a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:59:26, skipping insertion in model container [2019-11-28 02:59:26,417 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 02:59:26,417 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:26" (3/3) ... [2019-11-28 02:59:26,419 INFO L371 chiAutomizerObserver]: Analyzing ICFG c.03.c [2019-11-28 02:59:26,475 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 02:59:26,475 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 02:59:26,475 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 02:59:26,476 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:59:26,476 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:59:26,476 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 02:59:26,476 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:59:26,476 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 02:59:26,514 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 02:59:26,556 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:59:26,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:26,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:26,563 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:59:26,564 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:59:26,564 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 02:59:26,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-28 02:59:26,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:59:26,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:26,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:26,566 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 02:59:26,566 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:59:26,575 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2019-11-28 02:59:26,575 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 5#L12true assume main_~x~0 < main_~z~0;main_~x~0 := 1 + main_~x~0; 3#L12-2true [2019-11-28 02:59:26,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:26,582 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 02:59:26,591 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:26,592 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762676022] [2019-11-28 02:59:26,592 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,689 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:26,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:26,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-28 02:59:26,691 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:26,691 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413600584] [2019-11-28 02:59:26,691 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,707 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:26,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-28 02:59:26,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:26,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620046300] [2019-11-28 02:59:26,710 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:26,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:26,726 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:26,798 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:26,799 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:26,799 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:26,800 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:26,800 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:59:26,800 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:26,801 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:26,801 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:26,801 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration1_Loop [2019-11-28 02:59:26,802 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:26,802 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:26,830 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 02:59:26,843 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 02:59:26,847 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 02:59:26,950 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:59:26,951 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 02:59:26,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:26,963 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 02:59:26,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:59:26,974 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} 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) [2019-11-28 02:59:26,988 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:26,988 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:26,994 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:59:26,995 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=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 02:59:27,005 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:27,005 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 02:59:27,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:59:27,029 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:59:27,045 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:59:27,048 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:27,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:27,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:27,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:27,048 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:59:27,049 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,049 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:27,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:27,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration1_Loop [2019-11-28 02:59:27,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:27,050 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:27,052 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 02:59:27,057 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 02:59:27,074 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 02:59:27,151 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:59:27,156 INFO L489 LassoAnalysis]: Using template 'affine'. 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 02:59:27,165 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 02:59:27,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:27,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:27,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:27,169 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:27,175 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:27,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:27,182 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:27,193 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 02:59:27,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:27,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:27,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:27,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:27,197 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:27,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:27,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:59:27,229 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 02:59:27,229 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,241 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:59:27,241 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:59:27,242 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:59:27,242 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 4294967291 Supporting invariants [] [2019-11-28 02:59:27,249 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 02:59:27,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:27,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:59:27,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:27,308 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-28 02:59:27,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:27,328 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 02:59:27,346 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:59:27,347 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-28 02:59:27,407 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 21 states and 30 transitions. Complement of second has 7 states. [2019-11-28 02:59:27,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 02:59:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:59:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-11-28 02:59:27,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-28 02:59:27,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:27,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-28 02:59:27,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:27,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-28 02:59:27,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:27,415 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2019-11-28 02:59:27,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:59:27,422 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 8 states and 11 transitions. [2019-11-28 02:59:27,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-11-28 02:59:27,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-11-28 02:59:27,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-11-28 02:59:27,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 02:59:27,425 INFO L688 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-11-28 02:59:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-11-28 02:59:27,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-11-28 02:59:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-11-28 02:59:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-11-28 02:59:27,455 INFO L711 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:59:27,455 INFO L591 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-11-28 02:59:27,455 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 02:59:27,455 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-11-28 02:59:27,456 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-28 02:59:27,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 02:59:27,456 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 02:59:27,457 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 02:59:27,457 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-28 02:59:27,457 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 69#L12-2 assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 65#L12 [2019-11-28 02:59:27,458 INFO L796 eck$LassoCheckResult]: Loop: 65#L12 assume !(main_~x~0 < main_~z~0);main_~z~0 := 1 + main_~z~0; 64#L12-2 assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 65#L12 [2019-11-28 02:59:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:27,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-28 02:59:27,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:27,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668864214] [2019-11-28 02:59:27,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,471 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:27,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:27,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-11-28 02:59:27,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:27,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481928649] [2019-11-28 02:59:27,472 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,482 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:27,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:27,483 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-11-28 02:59:27,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 02:59:27,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096721366] [2019-11-28 02:59:27,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 02:59:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 02:59:27,496 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 02:59:27,527 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:27,527 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:27,527 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:27,528 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:27,528 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 02:59:27,528 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,528 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:27,528 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:27,528 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration2_Loop [2019-11-28 02:59:27,529 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:27,529 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:27,531 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 02:59:27,538 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 02:59:27,542 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 02:59:27,615 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:59:27,615 INFO L404 LassoAnalysis]: Checking for nontermination... 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 02:59:27,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:27,620 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 02:59:27,625 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:59:27,625 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=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 02:59:27,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:27,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 02:59:27,642 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 02:59:27,642 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 02:59:27,667 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 02:59:27,667 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 02:59:27,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 02:59:27,690 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 02:59:27,704 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 02:59:27,707 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 02:59:27,707 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 02:59:27,708 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 02:59:27,708 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 02:59:27,708 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 02:59:27,708 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,708 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 02:59:27,708 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 02:59:27,708 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.03.c_Iteration2_Loop [2019-11-28 02:59:27,709 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 02:59:27,709 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 02:59:27,710 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 02:59:27,714 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 02:59:27,718 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 02:59:27,783 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 02:59:27,784 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,799 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 02:59:27,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:27,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:27,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:27,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:27,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:27,807 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:27,812 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) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,828 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 02:59:27,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:27,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:27,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:27,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:27,838 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-28 02:59:27,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-28 02:59:27,847 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 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,856 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 02:59:27,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 02:59:27,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 02:59:27,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 02:59:27,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 02:59:27,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 02:59:27,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 02:59:27,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 02:59:27,877 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 02:59:27,883 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 02:59:27,883 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 02:59:27,897 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 02:59:27,897 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 02:59:27,897 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 02:59:27,898 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 4294967291 Supporting invariants [] [2019-11-28 02:59:27,900 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 02:59:27,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 02:59:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:27,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 02:59:27,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 02:59:27,938 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 02:59:27,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 02:59:27,966 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 02:59:27,968 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 02:59:27,968 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-11-28 02:59:28,002 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 6 states. [2019-11-28 02:59:28,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 02:59:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-28 02:59:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-11-28 02:59:28,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-28 02:59:28,005 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:28,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-28 02:59:28,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:28,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2019-11-28 02:59:28,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 02:59:28,007 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2019-11-28 02:59:28,008 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:59:28,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-28 02:59:28,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 02:59:28,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 02:59:28,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 02:59:28,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 02:59:28,010 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:59:28,010 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:59:28,010 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 02:59:28,010 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 02:59:28,010 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 02:59:28,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 02:59:28,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 02:59:28,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:59:28 BoogieIcfgContainer [2019-11-28 02:59:28,020 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 02:59:28,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:59:28,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:59:28,022 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:59:28,023 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:59:26" (3/4) ... [2019-11-28 02:59:28,032 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 02:59:28,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:59:28,036 INFO L168 Benchmark]: Toolchain (without parser) took 2343.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 955.0 MB in the beginning and 975.4 MB in the end (delta: -20.4 MB). Peak memory consumption was 150.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:28,037 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:59:28,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.01 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:28,041 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:28,045 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:59:28,047 INFO L168 Benchmark]: RCFGBuilder took 251.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:28,048 INFO L168 Benchmark]: BuchiAutomizer took 1609.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.4 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:59:28,049 INFO L168 Benchmark]: Witness Printer took 11.47 ms. Allocated memory is still 1.2 GB. Free memory is still 975.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:59:28,063 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.01 ms. Allocated memory is still 1.0 GB. Free memory was 955.0 MB in the beginning and 944.3 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 133.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 944.3 MB in the beginning and 1.2 GB in the end (delta: -223.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 251.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1609.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.4 MB in the end (delta: 172.8 MB). Peak memory consumption was 172.8 MB. Max. memory is 11.5 GB. * Witness Printer took 11.47 ms. Allocated memory is still 1.2 GB. Free memory is still 975.4 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 4294967291 and consists of 5 locations. One deterministic module has affine ranking function -2 * z + 4294967291 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 8 SDslu, 6 SDs, 0 SdLazy, 17 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax172 hnf98 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq137 hnf95 smp100 dnf100 smp100 tf109 neg100 sie121 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 24ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...