./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/c.03_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-restricted-15/c.03_true-termination_true-no-overflow.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 0.1.24-2e94e6a [2019-01-01 21:38:42,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:38:42,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:38:42,487 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:38:42,488 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:38:42,489 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:38:42,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:38:42,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:38:42,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:38:42,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:38:42,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:38:42,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:38:42,498 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:38:42,499 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:38:42,500 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:38:42,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:38:42,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:38:42,504 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:38:42,506 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:38:42,508 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:38:42,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:38:42,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:38:42,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:38:42,514 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:38:42,514 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:38:42,515 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:38:42,516 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:38:42,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:38:42,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:38:42,519 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:38:42,520 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:38:42,520 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:38:42,521 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:38:42,521 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:38:42,522 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:38:42,523 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:38:42,523 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:38:42,552 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:38:42,552 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:38:42,554 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:38:42,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:38:42,558 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:38:42,558 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:38:42,559 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:38:42,559 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:38:42,559 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:38:42,559 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:38:42,559 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:38:42,559 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:38:42,560 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:38:42,561 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:38:42,561 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:38:42,561 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:38:42,561 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:38:42,561 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:38:42,562 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:38:42,562 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:38:42,562 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:38:42,562 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:38:42,562 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:38:42,562 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:38:42,563 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:38:42,564 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:38:42,564 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:38:42,564 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:38:42,566 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:38:42,566 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d32dea9005a55265d6c4ef8382f17d9e27d71b7 [2019-01-01 21:38:42,627 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:38:42,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:38:42,649 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:38:42,650 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:38:42,651 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:38:42,652 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/c.03_true-termination_true-no-overflow.c [2019-01-01 21:38:42,714 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63dd4c4b/feb41cd71fc94eacbd2d9aed8b033706/FLAG7d81acec6 [2019-01-01 21:38:43,128 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:38:43,129 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/c.03_true-termination_true-no-overflow.c [2019-01-01 21:38:43,135 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63dd4c4b/feb41cd71fc94eacbd2d9aed8b033706/FLAG7d81acec6 [2019-01-01 21:38:43,487 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a63dd4c4b/feb41cd71fc94eacbd2d9aed8b033706 [2019-01-01 21:38:43,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:38:43,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:38:43,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:38:43,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:38:43,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:38:43,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19de7f62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43, skipping insertion in model container [2019-01-01 21:38:43,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:38:43,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:38:43,745 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:38:43,750 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:38:43,768 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:38:43,784 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:38:43,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43 WrapperNode [2019-01-01 21:38:43,785 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:38:43,786 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:38:43,786 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:38:43,786 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:38:43,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,803 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:38:43,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:38:43,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:38:43,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:38:43,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... [2019-01-01 21:38:43,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:38:43,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:38:43,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:38:43,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:38:43,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:44,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:38:44,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:38:44,250 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:38:44,251 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:38:44,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:38:44 BoogieIcfgContainer [2019-01-01 21:38:44,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:38:44,252 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:38:44,252 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:38:44,256 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:38:44,257 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:38:44,258 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:38:43" (1/3) ... [2019-01-01 21:38:44,259 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f43c071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:38:44, skipping insertion in model container [2019-01-01 21:38:44,259 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:38:44,259 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:38:43" (2/3) ... [2019-01-01 21:38:44,260 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f43c071 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:38:44, skipping insertion in model container [2019-01-01 21:38:44,260 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:38:44,260 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:38:44" (3/3) ... [2019-01-01 21:38:44,262 INFO L375 chiAutomizerObserver]: Analyzing ICFG c.03_true-termination_true-no-overflow.c [2019-01-01 21:38:44,410 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:38:44,412 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:38:44,412 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:38:44,412 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:38:44,412 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:38:44,412 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:38:44,412 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:38:44,416 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:38:44,416 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:38:44,462 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-01-01 21:38:44,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:38:44,507 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:38:44,507 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:38:44,516 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:38:44,516 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:38:44,516 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:38:44,517 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-01-01 21:38:44,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:38:44,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:38:44,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:38:44,518 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:38:44,519 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:38:44,530 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 3#L12-2true [2019-01-01 21:38:44,531 INFO L796 eck$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 [2019-01-01 21:38:44,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:44,540 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:38:44,543 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:44,544 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:44,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:44,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:44,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-01-01 21:38:44,685 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:44,685 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:44,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:44,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:44,702 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-01-01 21:38:44,702 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:44,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:44,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:44,833 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:38:44,835 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:38:44,835 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:38:44,836 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:38:44,836 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:38:44,836 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:44,836 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:38:44,836 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:38:44,836 INFO L131 ssoRankerPreferences]: Filename of dumped script: c.03_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:38:44,836 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:38:44,837 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:38:44,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:44,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:44,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:45,104 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:38:45,105 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:45,111 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:45,112 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:38:45,137 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:38:45,138 INFO L448 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:45,144 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:45,145 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:38:45,166 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:38:45,166 INFO L448 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 [2019-01-01 21:38:45,172 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:45,172 INFO L163 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 [2019-01-01 21:38:45,199 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:38:45,199 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:38:57,297 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 21:38:57,304 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:38:57,304 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:38:57,304 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:38:57,305 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:38:57,305 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:38:57,305 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:57,305 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:38:57,305 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:38:57,305 INFO L131 ssoRankerPreferences]: Filename of dumped script: c.03_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:38:57,305 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:38:57,305 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:38:57,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:57,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:57,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:57,575 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:38:57,580 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:38:57,582 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:38:57,583 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:38:57,584 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:38:57,584 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:38:57,584 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:38:57,589 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:38:57,589 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:38:57,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:38:57,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:38:57,603 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:38:57,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:38:57,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:38:57,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:38:57,604 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:38:57,605 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:38:57,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:38:57,618 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:38:57,636 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 21:38:57,636 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:38:57,639 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:38:57,640 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:38:57,640 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:38:57,641 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = -4294967292*ULTIMATE.start_main_~x~0 + 4294967291*ULTIMATE.start_main_~y~0 Supporting invariants [] [2019-01-01 21:38:57,642 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:38:57,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:38:57,738 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:38:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:38:57,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:38:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:38:57,862 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 [2019-01-01 21:38:57,864 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-01-01 21:38:57,960 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. [2019-01-01 21:38:57,961 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 [2019-01-01 21:38:57,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 21:38:57,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2019-01-01 21:38:57,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2019-01-01 21:38:57,965 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:38:57,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2019-01-01 21:38:57,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:38:57,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2019-01-01 21:38:57,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:38:57,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2019-01-01 21:38:57,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:38:57,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 8 states and 11 transitions. [2019-01-01 21:38:57,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2019-01-01 21:38:57,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-01-01 21:38:57,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2019-01-01 21:38:57,979 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 21:38:57,979 INFO L705 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2019-01-01 21:38:57,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2019-01-01 21:38:58,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2019-01-01 21:38:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2019-01-01 21:38:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2019-01-01 21:38:58,011 INFO L728 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-01-01 21:38:58,011 INFO L608 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-01-01 21:38:58,011 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:38:58,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2019-01-01 21:38:58,012 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:38:58,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:38:58,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:38:58,013 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 21:38:58,013 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:38:58,013 INFO L794 eck$LassoCheckResult]: Stem: 68#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~c~0, main_~x~0, main_~y~0, main_~z~0;havoc main_~c~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~z~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~c~0 := 0; 69#L12-2 assume !!(main_~x~0 < main_~y~0 && main_~z~0 < 2147483647); 65#L12 [2019-01-01 21:38:58,013 INFO L796 eck$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 [2019-01-01 21:38:58,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:58,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:38:58,014 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:58,014 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:58,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:58,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2019-01-01 21:38:58,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:58,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:58,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:58,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:38:58,034 INFO L82 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2019-01-01 21:38:58,035 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:38:58,035 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:38:58,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:38:58,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:38:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:38:58,089 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:38:58,089 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:38:58,089 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:38:58,089 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:38:58,090 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:38:58,090 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:58,090 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:38:58,090 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:38:58,091 INFO L131 ssoRankerPreferences]: Filename of dumped script: c.03_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-01 21:38:58,091 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:38:58,091 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:38:58,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:58,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:58,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:38:58,195 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:38:58,196 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2019-01-01 21:38:58,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:58,200 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:38:58,221 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:38:58,221 INFO L448 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 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 [2019-01-01 21:38:58,229 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:58,229 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:38:58,250 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 21:38:58,250 INFO L448 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 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 [2019-01-01 21:38:58,256 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:38:58,256 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:38:58,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:38:58,286 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:39:10,432 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 21:39:10,444 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:39:10,444 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:39:10,444 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:39:10,444 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:39:10,445 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:39:10,445 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:39:10,445 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:39:10,445 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:39:10,445 INFO L131 ssoRankerPreferences]: Filename of dumped script: c.03_true-termination_true-no-overflow.c_Iteration2_Loop [2019-01-01 21:39:10,445 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:39:10,445 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:39:10,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:10,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:10,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:39:10,731 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2019-01-01 21:39:11,006 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:39:11,007 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:39:11,007 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:39:11,008 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:39:11,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:39:11,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:39:11,008 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:39:11,012 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:39:11,013 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:39:11,018 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:39:11,018 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:39:11,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:39:11,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:39:11,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:39:11,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:39:11,025 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:39:11,025 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:39:11,033 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:39:11,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:39:11,034 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:39:11,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:39:11,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:39:11,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:39:11,036 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:39:11,038 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:39:11,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:39:11,045 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:39:11,053 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 21:39:11,054 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:39:11,054 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:39:11,054 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:39:11,055 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:39:11,055 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 4294967291 Supporting invariants [] [2019-01-01 21:39:11,055 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:39:11,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:39:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:39:11,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:39:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:39:11,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:39:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:39:11,189 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 [2019-01-01 21:39:11,189 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand 3 states. [2019-01-01 21:39:11,268 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. [2019-01-01 21:39:11,272 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 [2019-01-01 21:39:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 21:39:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2019-01-01 21:39:11,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-01 21:39:11,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:39:11,274 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-01 21:39:11,274 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:39:11,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-01 21:39:11,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:39:11,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2019-01-01 21:39:11,276 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:39:11,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-01-01 21:39:11,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:39:11,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:39:11,277 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:39:11,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:39:11,277 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:39:11,278 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:39:11,278 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:39:11,278 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 21:39:11,278 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:39:11,278 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:39:11,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:39:11,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:39:11 BoogieIcfgContainer [2019-01-01 21:39:11,285 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:39:11,286 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:39:11,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:39:11,286 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:39:11,286 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:38:44" (3/4) ... [2019-01-01 21:39:11,289 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:39:11,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:39:11,291 INFO L168 Benchmark]: Toolchain (without parser) took 27798.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 951.4 MB in the beginning and 942.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:11,292 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:11,293 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:11,293 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.18 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:11,294 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:11,295 INFO L168 Benchmark]: RCFGBuilder took 393.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:11,296 INFO L168 Benchmark]: BuchiAutomizer took 27033.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 942.0 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2019-01-01 21:39:11,297 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 1.1 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:39:11,302 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.40 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.18 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.52 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 393.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -151.8 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 27033.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 942.0 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 ms. Allocated memory is still 1.1 GB. Free memory is still 942.0 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 -4294967292 * x + 4294967291 * y 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 26.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 26.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. 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: 20ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...