./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive-simple/sum_15x0_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive-simple/sum_15x0_false-unreach-call_true-termination.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 31319b3dce926b7eddaa50d24c240f6870931f21 ...................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-29 00:04:31,718 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-29 00:04:31,720 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-29 00:04:31,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-29 00:04:31,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-29 00:04:31,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-29 00:04:31,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-29 00:04:31,739 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-29 00:04:31,740 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-29 00:04:31,741 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-29 00:04:31,743 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-29 00:04:31,743 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-29 00:04:31,744 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-29 00:04:31,745 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-29 00:04:31,747 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-29 00:04:31,748 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-29 00:04:31,749 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-29 00:04:31,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-29 00:04:31,754 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-29 00:04:31,755 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-29 00:04:31,757 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-29 00:04:31,758 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-29 00:04:31,761 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-29 00:04:31,762 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-29 00:04:31,762 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-29 00:04:31,763 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-29 00:04:31,765 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-29 00:04:31,766 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-29 00:04:31,767 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-29 00:04:31,768 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-29 00:04:31,769 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-29 00:04:31,770 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-29 00:04:31,770 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-29 00:04:31,770 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-29 00:04:31,771 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-29 00:04:31,773 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-29 00:04:31,773 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-29 00:04:31,808 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-29 00:04:31,809 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-29 00:04:31,811 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-29 00:04:31,812 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-29 00:04:31,812 INFO L133 SettingsManager]: * Use SBE=true [2018-11-29 00:04:31,813 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-29 00:04:31,813 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-29 00:04:31,813 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-29 00:04:31,813 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-29 00:04:31,813 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-29 00:04:31,813 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-29 00:04:31,814 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-29 00:04:31,814 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-29 00:04:31,814 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-29 00:04:31,814 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-29 00:04:31,814 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-29 00:04:31,815 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-29 00:04:31,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-29 00:04:31,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-29 00:04:31,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-29 00:04:31,819 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-29 00:04:31,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-29 00:04:31,819 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-29 00:04:31,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-29 00:04:31,819 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-29 00:04:31,820 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-29 00:04:31,825 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-29 00:04:31,826 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31319b3dce926b7eddaa50d24c240f6870931f21 [2018-11-29 00:04:31,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-29 00:04:31,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-29 00:04:31,903 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-29 00:04:31,904 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-29 00:04:31,905 INFO L276 PluginConnector]: CDTParser initialized [2018-11-29 00:04:31,906 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive-simple/sum_15x0_false-unreach-call_true-termination.c [2018-11-29 00:04:31,974 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea3595d9/3223949d9c5843ea82eacdc7102a0be1/FLAG4f4e4038e [2018-11-29 00:04:32,457 INFO L307 CDTParser]: Found 1 translation units. [2018-11-29 00:04:32,457 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive-simple/sum_15x0_false-unreach-call_true-termination.c [2018-11-29 00:04:32,463 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea3595d9/3223949d9c5843ea82eacdc7102a0be1/FLAG4f4e4038e [2018-11-29 00:04:32,823 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ea3595d9/3223949d9c5843ea82eacdc7102a0be1 [2018-11-29 00:04:32,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-29 00:04:32,829 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-29 00:04:32,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-29 00:04:32,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-29 00:04:32,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-29 00:04:32,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:32" (1/1) ... [2018-11-29 00:04:32,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d25767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:32, skipping insertion in model container [2018-11-29 00:04:32,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:04:32" (1/1) ... [2018-11-29 00:04:32,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-29 00:04:32,871 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-29 00:04:33,088 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:04:33,096 INFO L191 MainTranslator]: Completed pre-run [2018-11-29 00:04:33,117 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-29 00:04:33,135 INFO L195 MainTranslator]: Completed translation [2018-11-29 00:04:33,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33 WrapperNode [2018-11-29 00:04:33,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-29 00:04:33,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-29 00:04:33,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-29 00:04:33,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-29 00:04:33,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-29 00:04:33,186 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-29 00:04:33,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-29 00:04:33,187 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-29 00:04:33,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,203 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (1/1) ... [2018-11-29 00:04:33,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-29 00:04:33,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-29 00:04:33,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-29 00:04:33,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-29 00:04:33,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (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 [2018-11-29 00:04:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-29 00:04:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-29 00:04:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2018-11-29 00:04:33,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2018-11-29 00:04:33,562 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-29 00:04:33,563 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-29 00:04:33,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:33 BoogieIcfgContainer [2018-11-29 00:04:33,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-29 00:04:33,564 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-29 00:04:33,564 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-29 00:04:33,569 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-29 00:04:33,570 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:04:33,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 12:04:32" (1/3) ... [2018-11-29 00:04:33,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f498b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:04:33, skipping insertion in model container [2018-11-29 00:04:33,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:04:33,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:04:33" (2/3) ... [2018-11-29 00:04:33,572 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f498b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 12:04:33, skipping insertion in model container [2018-11-29 00:04:33,572 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-29 00:04:33,573 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:33" (3/3) ... [2018-11-29 00:04:33,574 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum_15x0_false-unreach-call_true-termination.c [2018-11-29 00:04:33,639 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-29 00:04:33,640 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-29 00:04:33,640 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-29 00:04:33,641 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-29 00:04:33,641 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-29 00:04:33,641 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-29 00:04:33,641 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-29 00:04:33,641 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-29 00:04:33,641 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-29 00:04:33,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:04:33,686 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:04:33,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:04:33,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:04:33,694 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:04:33,694 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:04:33,694 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-29 00:04:33,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2018-11-29 00:04:33,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-29 00:04:33,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-29 00:04:33,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-29 00:04:33,697 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-29 00:04:33,697 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-29 00:04:33,706 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 15;main_~b~0 := 0; 15#L14true call main_#t~ret1 := sum(main_~a~0, main_~b~0);< 8#sumENTRYtrue [2018-11-29 00:04:33,706 INFO L796 eck$LassoCheckResult]: Loop: 8#sumENTRYtrue ~n := #in~n;~m := #in~m; 6#L4true assume !(~n <= 0); 7#L7true call #t~ret0 := sum(~n - 1, 1 + ~m);< 8#sumENTRYtrue [2018-11-29 00:04:33,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:04:33,712 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2018-11-29 00:04:33,715 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:04:33,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:04:33,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:04:33,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:33,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:04:33,845 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2018-11-29 00:04:33,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:04:33,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:04:33,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:04:33,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:33,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:04:33,870 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2018-11-29 00:04:33,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-29 00:04:33,874 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-29 00:04:33,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,875 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-29 00:04:33,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-29 00:04:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-29 00:04:34,125 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-29 00:04:34,203 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:04:34,205 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:04:34,205 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:04:34,205 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:04:34,205 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-29 00:04:34,205 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:04:34,205 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:04:34,206 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:04:34,206 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_15x0_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-29 00:04:34,206 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:04:34,206 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:04:34,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,535 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:04:34,536 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 [2018-11-29 00:04:34,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:04:34,548 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:04:34,573 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:04:34,574 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:04:34,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:04:34,613 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:04:34,619 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-29 00:04:34,619 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=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 [2018-11-29 00:04:34,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-29 00:04:34,640 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 [2018-11-29 00:04:34,667 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-29 00:04:34,668 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-29 00:04:34,693 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-29 00:04:34,695 INFO L216 LassoAnalysis]: Preferences: [2018-11-29 00:04:34,695 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-29 00:04:34,696 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-29 00:04:34,696 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-29 00:04:34,696 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-29 00:04:34,696 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-29 00:04:34,701 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-29 00:04:34,701 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-29 00:04:34,701 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum_15x0_false-unreach-call_true-termination.c_Iteration1_Loop [2018-11-29 00:04:34,701 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-29 00:04:34,701 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-29 00:04:34,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-29 00:04:34,900 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-29 00:04:34,906 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-29 00:04:34,908 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 [2018-11-29 00:04:34,909 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:04:34,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:04:34,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:04:34,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:04:34,911 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:04:34,913 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:04:34,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:04:34,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:04:34,918 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 [2018-11-29 00:04:34,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:04:34,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:04:34,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:04:34,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:04:34,919 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:04:34,920 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:04:34,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:04:34,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-29 00:04:34,922 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 [2018-11-29 00:04:34,923 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-29 00:04:34,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-29 00:04:34,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-29 00:04:34,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-29 00:04:34,924 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-29 00:04:34,925 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-29 00:04:34,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-29 00:04:34,932 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-29 00:04:34,937 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-29 00:04:34,937 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-29 00:04:34,940 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-29 00:04:34,940 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-29 00:04:34,940 INFO L518 LassoAnalysis]: Proved termination. [2018-11-29 00:04:34,941 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2018-11-29 00:04:34,943 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-29 00:04:35,002 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-29 00:04:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:04:35,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:04:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-29 00:04:35,054 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-29 00:04:35,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-29 00:04:35,165 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-29 00:04:35,167 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 4 states. [2018-11-29 00:04:35,333 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 4 states. Result 29 states and 34 transitions. Complement of second has 12 states. [2018-11-29 00:04:35,334 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 [2018-11-29 00:04:35,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-29 00:04:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2018-11-29 00:04:35,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2018-11-29 00:04:35,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:04:35,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2018-11-29 00:04:35,339 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:04:35,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2018-11-29 00:04:35,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-29 00:04:35,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2018-11-29 00:04:35,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:04:35,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2018-11-29 00:04:35,349 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-29 00:04:35,349 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-29 00:04:35,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-29 00:04:35,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-29 00:04:35,350 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:04:35,350 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:04:35,350 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-29 00:04:35,350 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-29 00:04:35,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-29 00:04:35,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-29 00:04:35,351 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-29 00:04:35,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 12:04:35 BoogieIcfgContainer [2018-11-29 00:04:35,359 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-29 00:04:35,360 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-29 00:04:35,360 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-29 00:04:35,360 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-29 00:04:35,361 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:04:33" (3/4) ... [2018-11-29 00:04:35,365 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-29 00:04:35,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-29 00:04:35,366 INFO L168 Benchmark]: Toolchain (without parser) took 2538.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -48.7 MB). Peak memory consumption was 68.2 MB. Max. memory is 11.5 GB. [2018-11-29 00:04:35,368 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-11-29 00:04:35,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.02 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-29 00:04:35,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.66 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:04:35,370 INFO L168 Benchmark]: Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-29 00:04:35,370 INFO L168 Benchmark]: RCFGBuilder took 348.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-11-29 00:04:35,372 INFO L168 Benchmark]: BuchiAutomizer took 1794.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-11-29 00:04:35,373 INFO L168 Benchmark]: Witness Printer took 5.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-29 00:04:35,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 303.02 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 49.66 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.39 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1794.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 10ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...