./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/IntPath.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/IntPath.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 d204ea6638a616c846b000f1a4abc2d6ee737a0e ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-26 04:16:28,679 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:16:28,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:16:28,736 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:16:28,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:16:28,743 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:16:28,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:16:28,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:16:28,757 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:16:28,763 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:16:28,765 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:16:28,770 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:16:28,770 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:16:28,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:16:28,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:16:28,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:16:28,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:16:28,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:16:28,787 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:16:28,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:16:28,798 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:16:28,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:16:28,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:16:28,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:16:28,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:16:28,814 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:16:28,814 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:16:28,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:16:28,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:16:28,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:16:28,819 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:16:28,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:16:28,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:16:28,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:16:28,825 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:16:28,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:16:28,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:16:28,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:16:28,827 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:16:28,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:16:28,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:16:28,831 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:16:28,893 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:16:28,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:16:28,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:16:28,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:16:28,896 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:16:28,896 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:16:28,896 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:16:28,897 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:16:28,897 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:16:28,897 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:16:28,898 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:16:28,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:16:28,898 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:16:28,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:16:28,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:16:28,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:16:28,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:16:28,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:16:28,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:16:28,900 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:16:28,900 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:16:28,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:16:28,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:16:28,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:16:28,902 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:16:28,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:16:28,902 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:16:28,902 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:16:28,903 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:16:28,904 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:16:28,905 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d204ea6638a616c846b000f1a4abc2d6ee737a0e [2020-10-26 04:16:29,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:16:29,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:16:29,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:16:29,360 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:16:29,361 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:16:29,362 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-10-26 04:16:29,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96324be7/9bf2e5cb244e48878e730f522c466039/FLAGd002df792 [2020-10-26 04:16:30,095 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:16:30,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-10-26 04:16:30,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96324be7/9bf2e5cb244e48878e730f522c466039/FLAGd002df792 [2020-10-26 04:16:30,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b96324be7/9bf2e5cb244e48878e730f522c466039 [2020-10-26 04:16:30,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:16:30,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:16:30,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:16:30,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:16:30,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:16:30,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,500 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26183f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30, skipping insertion in model container [2020-10-26 04:16:30,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:16:30,525 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:16:30,743 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:16:30,748 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:16:30,764 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:16:30,778 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:16:30,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30 WrapperNode [2020-10-26 04:16:30,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:16:30,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:16:30,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:16:30,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:16:30,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,822 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:16:30,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:16:30,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:16:30,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:16:30,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,840 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,848 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (1/1) ... [2020-10-26 04:16:30,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:16:30,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:16:30,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:16:30,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:16:30,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (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 [2020-10-26 04:16:30,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:16:30,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:16:31,195 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:16:31,195 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:16:31,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:16:31 BoogieIcfgContainer [2020-10-26 04:16:31,198 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:16:31,200 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:16:31,200 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:16:31,206 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:16:31,207 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:16:31,207 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:16:30" (1/3) ... [2020-10-26 04:16:31,209 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18de9106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:16:31, skipping insertion in model container [2020-10-26 04:16:31,209 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:16:31,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:16:30" (2/3) ... [2020-10-26 04:16:31,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@18de9106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:16:31, skipping insertion in model container [2020-10-26 04:16:31,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:16:31,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:16:31" (3/3) ... [2020-10-26 04:16:31,213 INFO L373 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2020-10-26 04:16:31,308 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:16:31,308 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:16:31,308 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:16:31,309 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:16:31,309 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:16:31,309 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:16:31,309 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:16:31,309 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:16:31,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-26 04:16:31,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:16:31,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:16:31,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:16:31,355 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:16:31,355 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:16:31,355 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:16:31,355 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-26 04:16:31,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:16:31,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:16:31,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:16:31,358 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:16:31,358 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:16:31,367 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 7#L13true assume !(main_~i~0 > 10);main_~y~0 := 1; 5#L18-1true [2020-10-26 04:16:31,368 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true assume !!(main_~x~0 == main_~y~0); 5#L18-1true [2020-10-26 04:16:31,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,379 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-10-26 04:16:31,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974584399] [2020-10-26 04:16:31,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,509 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,529 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,554 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:16:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,560 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2020-10-26 04:16:31,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730563546] [2020-10-26 04:16:31,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,587 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:16:31,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,597 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2020-10-26 04:16:31,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446752636] [2020-10-26 04:16:31,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:16:31,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:16:31,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446752636] [2020-10-26 04:16:31,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:16:31,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:16:31,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577402469] [2020-10-26 04:16:31,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:16:31,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:16:31,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:16:31,770 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-10-26 04:16:31,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:16:31,880 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-10-26 04:16:31,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:16:31,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2020-10-26 04:16:31,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:16:31,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 3 states and 3 transitions. [2020-10-26 04:16:31,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-10-26 04:16:31,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-10-26 04:16:31,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-10-26 04:16:31,892 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:16:31,892 INFO L691 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-10-26 04:16:31,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-10-26 04:16:31,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-10-26 04:16:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-26 04:16:31,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-10-26 04:16:31,923 INFO L714 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-10-26 04:16:31,923 INFO L594 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-10-26 04:16:31,923 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:16:31,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-10-26 04:16:31,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:16:31,924 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:16:31,924 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:16:31,924 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-26 04:16:31,924 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:16:31,925 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 34#L13 assume main_~i~0 > 10;main_~x~0 := 1; 35#L18-1 [2020-10-26 04:16:31,925 INFO L796 eck$LassoCheckResult]: Loop: 35#L18-1 assume !!(main_~x~0 == main_~y~0); 35#L18-1 [2020-10-26 04:16:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-10-26 04:16:31,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107913378] [2020-10-26 04:16:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,933 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,937 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:16:31,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,939 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2020-10-26 04:16:31,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771570499] [2020-10-26 04:16:31,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,949 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:16:31,953 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:16:31,954 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:16:31,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:16:31,956 INFO L82 PathProgramCache]: Analyzing trace with hash 30891, now seen corresponding path program 1 times [2020-10-26 04:16:31,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:16:31,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551001356] [2020-10-26 04:16:31,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:16:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:16:32,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:16:32,023 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551001356] [2020-10-26 04:16:32,024 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:16:32,024 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 04:16:32,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708430776] [2020-10-26 04:16:32,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:16:32,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-26 04:16:32,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-26 04:16:32,057 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 4 states. [2020-10-26 04:16:32,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:16:32,092 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2020-10-26 04:16:32,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-26 04:16:32,093 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. [2020-10-26 04:16:32,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:16:32,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-10-26 04:16:32,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:16:32,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:16:32,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:16:32,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:16:32,101 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:16:32,102 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:16:32,102 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:16:32,102 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:16:32,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:16:32,103 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:16:32,104 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:16:32,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:16:32 BoogieIcfgContainer [2020-10-26 04:16:32,113 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:16:32,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:16:32,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:16:32,117 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:16:32,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:16:31" (3/4) ... [2020-10-26 04:16:32,122 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:16:32,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:16:32,127 INFO L168 Benchmark]: Toolchain (without parser) took 1640.49 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 26.1 MB in the beginning and 33.3 MB in the end (delta: -7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 16.1 GB. [2020-10-26 04:16:32,129 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:16:32,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.06 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 30.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:16:32,135 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 29.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:16:32,136 INFO L168 Benchmark]: Boogie Preprocessor took 26.05 ms. Allocated memory is still 48.2 MB. Free memory was 29.0 MB in the beginning and 28.0 MB in the end (delta: 958.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:16:32,138 INFO L168 Benchmark]: RCFGBuilder took 347.73 ms. Allocated memory is still 48.2 MB. Free memory was 28.0 MB in the beginning and 20.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:16:32,145 INFO L168 Benchmark]: BuchiAutomizer took 912.53 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 33.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. [2020-10-26 04:16:32,146 INFO L168 Benchmark]: Witness Printer took 7.59 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 33.3 MB in the end (delta: 310.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:16:32,159 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 48.2 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 61.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 288.06 ms. Allocated memory is still 48.2 MB. Free memory was 25.4 MB in the beginning and 30.2 MB in the end (delta: -4.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.34 ms. Allocated memory is still 48.2 MB. Free memory was 30.2 MB in the beginning and 29.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.05 ms. Allocated memory is still 48.2 MB. Free memory was 29.0 MB in the beginning and 28.0 MB in the end (delta: 958.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 347.73 ms. Allocated memory is still 48.2 MB. Free memory was 28.0 MB in the beginning and 20.4 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 912.53 ms. Allocated memory was 48.2 MB in the beginning and 60.8 MB in the end (delta: 12.6 MB). Free memory was 20.3 MB in the beginning and 33.6 MB in the end (delta: -13.3 MB). Peak memory consumption was 1.5 MB. Max. memory is 16.1 GB. * Witness Printer took 7.59 ms. Allocated memory is still 60.8 MB. Free memory was 33.6 MB in the beginning and 33.3 MB in the end (delta: 310.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...