./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.20_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-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.20_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 ef49038d2ab74dd97b86bf2af92359124ff338d3 ................................................................................................................................................................................................................................................................................................................................................ 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 21:34:02,731 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:34:02,733 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:34:02,745 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:34:02,745 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:34:02,746 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:34:02,748 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:34:02,749 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:34:02,751 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:34:02,752 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:34:02,753 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:34:02,753 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:34:02,754 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:34:02,755 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:34:02,756 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:34:02,757 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:34:02,758 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:34:02,760 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:34:02,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:34:02,763 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:34:02,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:34:02,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:34:02,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:34:02,769 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:34:02,769 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:34:02,770 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:34:02,771 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:34:02,772 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:34:02,772 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:34:02,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:34:02,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:34:02,775 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:34:02,775 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:34:02,775 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:34:02,776 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:34:02,777 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:34:02,778 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:34:02,796 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:34:02,797 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:34:02,798 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:34:02,798 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:34:02,799 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:34:02,799 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:34:02,799 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:34:02,799 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:34:02,800 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:34:02,800 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:34:02,800 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:34:02,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:34:02,801 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:34:02,801 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:34:02,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:34:02,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:34:02,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:34:02,802 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:34:02,802 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:34:02,802 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:34:02,802 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:34:02,803 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:34:02,803 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:34:02,803 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:34:02,803 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:34:02,804 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:34:02,804 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:34:02,804 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:34:02,805 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:34:02,805 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 -> ef49038d2ab74dd97b86bf2af92359124ff338d3 [2019-01-01 21:34:02,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:34:02,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:34:02,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:34:02,881 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:34:02,881 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:34:02,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.20_true-termination_true-no-overflow.c [2019-01-01 21:34:02,956 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b66091d/c92f854366e74a1aa8b3827748d29bd9/FLAG3e201cdbd [2019-01-01 21:34:03,393 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:34:03,395 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.20_true-termination_true-no-overflow.c [2019-01-01 21:34:03,406 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b66091d/c92f854366e74a1aa8b3827748d29bd9/FLAG3e201cdbd [2019-01-01 21:34:03,741 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57b66091d/c92f854366e74a1aa8b3827748d29bd9 [2019-01-01 21:34:03,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:34:03,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:34:03,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:34:03,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:34:03,751 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:34:03,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:34:03" (1/1) ... [2019-01-01 21:34:03,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9b7a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:03, skipping insertion in model container [2019-01-01 21:34:03,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:34:03" (1/1) ... [2019-01-01 21:34:03,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:34:03,789 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:34:04,008 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:34:04,013 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:34:04,034 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:34:04,050 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:34:04,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04 WrapperNode [2019-01-01 21:34:04,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:34:04,052 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:34:04,052 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:34:04,053 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:34:04,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,096 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:34:04,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:34:04,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:34:04,096 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:34:04,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,109 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,111 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (1/1) ... [2019-01-01 21:34:04,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:34:04,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:34:04,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:34:04,122 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:34:04,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (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 21:34:04,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:34:04,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:34:04,440 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:34:04,440 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:34:04,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:34:04 BoogieIcfgContainer [2019-01-01 21:34:04,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:34:04,441 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:34:04,441 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:34:04,445 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:34:04,446 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:34:04,446 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:34:03" (1/3) ... [2019-01-01 21:34:04,447 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26effa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:34:04, skipping insertion in model container [2019-01-01 21:34:04,447 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:34:04,447 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:34:04" (2/3) ... [2019-01-01 21:34:04,448 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26effa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:34:04, skipping insertion in model container [2019-01-01 21:34:04,448 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:34:04,448 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:34:04" (3/3) ... [2019-01-01 21:34:04,450 INFO L375 chiAutomizerObserver]: Analyzing ICFG ChenFlurMukhopadhyay-SAS2012-Ex2.20_true-termination_true-no-overflow.c [2019-01-01 21:34:04,511 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:34:04,512 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:34:04,512 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:34:04,512 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:34:04,513 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:34:04,513 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:34:04,513 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:34:04,513 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:34:04,513 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:34:04,529 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:34:04,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:34:04,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:34:04,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:34:04,557 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:34:04,557 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:34:04,558 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:34:04,558 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-01 21:34:04,559 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-01 21:34:04,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:34:04,559 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:34:04,559 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 21:34:04,559 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-01 21:34:04,568 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L26-2true [2019-01-01 21:34:04,568 INFO L796 eck$LassoCheckResult]: Loop: 6#L26-2true assume !!((main_~x~0 > main_~y~0 && main_~y~0 >= 1) && main_~y~0 <= 2);main_~x~0 := main_~x~0 - main_~y~0;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 6#L26-2true [2019-01-01 21:34:04,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:34:04,574 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 21:34:04,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:34:04,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:34:04,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:34:04,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:34:04,676 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-01 21:34:04,677 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:34:04,677 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:34:04,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:34:04,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:34:04,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-01 21:34:04,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:34:04,695 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:34:04,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:34:04,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:34:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:34:04,820 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 21:34:04,977 WARN L181 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 21:34:04,999 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:34:05,001 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:34:05,001 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:34:05,001 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:34:05,001 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 21:34:05,002 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:34:05,002 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:34:05,002 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:34:05,002 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChenFlurMukhopadhyay-SAS2012-Ex2.20_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:34:05,002 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:34:05,003 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:34:05,029 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 21:34:05,088 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 21:34:05,107 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 21:34:05,403 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:34:05,404 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) [2019-01-01 21:34:05,419 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 21:34:05,419 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 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 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 21:34:05,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 21:34:05,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 21:34:05,523 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 21:34:05,525 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:34:05,525 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:34:05,526 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:34:05,526 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:34:05,526 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:34:05,526 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:34:05,526 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:34:05,527 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:34:05,527 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChenFlurMukhopadhyay-SAS2012-Ex2.20_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-01 21:34:05,527 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:34:05,527 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:34:05,529 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 21:34:05,579 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 21:34:05,596 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 21:34:05,739 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:34:05,745 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:34:05,747 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 21:34:05,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:34:05,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:34:05,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:34:05,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:34:05,750 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:34:05,753 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:34:05,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:34:05,769 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:34:05,778 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 21:34:05,778 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 21:34:05,780 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:34:05,780 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 21:34:05,781 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:34:05,782 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-01-01 21:34:05,783 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 21:34:05,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:34:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:34:05,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:34:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:34:05,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:34:05,870 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 21:34:05,887 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-01-01 21:34:05,888 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-01-01 21:34:05,966 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-01-01 21:34:05,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-01 21:34:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-01 21:34:05,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-01-01 21:34:05,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-01-01 21:34:05,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:34:05,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-01 21:34:05,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:34:05,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-01-01 21:34:05,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:34:05,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-01-01 21:34:05,976 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:34:05,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-01-01 21:34:05,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:34:05,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:34:05,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:34:05,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:34:05,983 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:34:05,983 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:34:05,983 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:34:05,983 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:34:05,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:34:05,984 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:34:05,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:34:05,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:34:05 BoogieIcfgContainer [2019-01-01 21:34:05,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:34:05,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:34:05,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:34:05,993 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:34:05,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:34:04" (3/4) ... [2019-01-01 21:34:05,998 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:34:05,998 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:34:05,999 INFO L168 Benchmark]: Toolchain (without parser) took 2254.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -89.9 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:34:06,001 INFO L168 Benchmark]: CDTParser took 0.22 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 21:34:06,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 304.29 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-01 21:34:06,003 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.74 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:34:06,003 INFO L168 Benchmark]: Boogie Preprocessor took 25.48 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:34:06,008 INFO L168 Benchmark]: RCFGBuilder took 318.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2019-01-01 21:34:06,009 INFO L168 Benchmark]: BuchiAutomizer took 1551.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:34:06,010 INFO L168 Benchmark]: Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:34:06,018 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 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 304.29 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 937.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.74 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.48 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -178.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1551.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax157 hnf93 lsp61 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...