./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector-regression/recHanoi03-1.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 9cd87c15c4637a3ecd407847e5a675763d5fece5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:38:19,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:38:19,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:38:19,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:38:19,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:38:19,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:38:19,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:38:19,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:38:19,793 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:38:19,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:38:19,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:38:19,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:38:19,799 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:38:19,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:38:19,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:38:19,805 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:38:19,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:38:19,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:38:19,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:38:19,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:38:19,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:38:19,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:38:19,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:38:19,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:38:19,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:38:19,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:38:19,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:38:19,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:38:19,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:38:19,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:38:19,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:38:19,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:38:19,824 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:38:19,825 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:38:19,826 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:38:19,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:38:19,827 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:38:19,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:38:19,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:38:19,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:38:19,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:38:19,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:38:19,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:38:19,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:38:19,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:38:19,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:38:19,862 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:38:19,862 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:38:19,862 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:38:19,863 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:38:19,863 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:38:19,863 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:38:19,864 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:38:19,865 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:38:19,865 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:38:19,865 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:38:19,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:38:19,866 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:38:19,866 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:38:19,866 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:38:19,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:38:19,867 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:38:19,867 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:38:19,868 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:38:19,868 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:38:19,868 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:38:19,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:38:19,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:38:19,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:38:19,870 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:38:19,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:38:19,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:38:19,870 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:38:19,872 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:38:19,873 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:38:19,874 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cd87c15c4637a3ecd407847e5a675763d5fece5 [2019-11-28 20:38:20,188 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:38:20,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:38:20,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:38:20,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:38:20,207 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:38:20,208 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2019-11-28 20:38:20,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c097a314e/61ea83f7f35b4e8293929ae33e9244fe/FLAGa4a878c61 [2019-11-28 20:38:20,704 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:38:20,705 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2019-11-28 20:38:20,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c097a314e/61ea83f7f35b4e8293929ae33e9244fe/FLAGa4a878c61 [2019-11-28 20:38:21,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c097a314e/61ea83f7f35b4e8293929ae33e9244fe [2019-11-28 20:38:21,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:38:21,083 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:38:21,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:38:21,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:38:21,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:38:21,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cfb0ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21, skipping insertion in model container [2019-11-28 20:38:21,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:38:21,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:38:21,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:38:21,340 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:38:21,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:38:21,378 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:38:21,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21 WrapperNode [2019-11-28 20:38:21,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:38:21,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:38:21,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:38:21,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:38:21,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:38:21,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:38:21,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:38:21,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:38:21,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... [2019-11-28 20:38:21,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:38:21,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:38:21,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:38:21,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:38:21,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-11-28 20:38:21,558 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-11-28 20:38:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:38:21,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:38:21,712 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:38:21,713 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 20:38:21,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:21 BoogieIcfgContainer [2019-11-28 20:38:21,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:38:21,715 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:38:21,715 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:38:21,719 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:38:21,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:38:21,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:38:21" (1/3) ... [2019-11-28 20:38:21,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@557d4530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:38:21, skipping insertion in model container [2019-11-28 20:38:21,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:38:21,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:38:21" (2/3) ... [2019-11-28 20:38:21,721 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@557d4530 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:38:21, skipping insertion in model container [2019-11-28 20:38:21,721 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:38:21,721 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:21" (3/3) ... [2019-11-28 20:38:21,724 INFO L371 chiAutomizerObserver]: Analyzing ICFG recHanoi03-1.c [2019-11-28 20:38:21,791 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:38:21,796 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:38:21,796 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:38:21,796 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:38:21,796 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:38:21,797 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:38:21,797 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:38:21,797 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:38:21,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 20:38:21,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:38:21,869 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:38:21,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:38:21,878 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:38:21,878 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:38:21,879 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:38:21,879 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-28 20:38:21,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:38:21,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:38:21,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:38:21,882 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:38:21,882 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:38:21,890 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L26true assume !(main_~n~0 < 1); 7#L29true call main_#t~ret2 := hanoi(main_~n~0);< 6#hanoiENTRYtrue [2019-11-28 20:38:21,891 INFO L796 eck$LassoCheckResult]: Loop: 6#hanoiENTRYtrue ~n := #in~n; 17#L17true assume !(1 == ~n); 12#L20true call #t~ret0 := hanoi(~n - 1);< 6#hanoiENTRYtrue [2019-11-28 20:38:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:38:21,899 INFO L82 PathProgramCache]: Analyzing trace with hash 38903, now seen corresponding path program 1 times [2019-11-28 20:38:21,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:38:21,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090466325] [2019-11-28 20:38:21,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:38:21,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:21,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:21,990 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:38:21,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:38:21,992 INFO L82 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2019-11-28 20:38:21,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:38:21,993 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334587468] [2019-11-28 20:38:21,993 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:38:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:22,007 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:38:22,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:38:22,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1158959424, now seen corresponding path program 1 times [2019-11-28 20:38:22,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:38:22,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297486187] [2019-11-28 20:38:22,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:38:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:38:22,029 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:38:22,120 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:38:22,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:38:22,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:38:22,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:38:22,121 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:38:22,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,122 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:38:22,122 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:38:22,122 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Loop [2019-11-28 20:38:22,122 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:38:22,122 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:38:22,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,260 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:38:22,261 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,268 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:38:22,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:38:22,276 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:38:22,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:38:22,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:38:22,289 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:38:22,289 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Exception during sending of exit command (exit): Broken pipe No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:38:22,307 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,332 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:38:22,333 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:38:22,357 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:38:22,357 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-2} Honda state: {hanoi_#in~n=-2} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [14, 1, 11] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:38:22,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:38:22,376 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:38:22,377 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret0=0} Honda state: {hanoi_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-11-28 20:38:22,423 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:38:22,424 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:38:22,424 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:38:22,424 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:38:22,424 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:38:22,425 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,425 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:38:22,425 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:38:22,425 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2019-11-28 20:38:22,425 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:38:22,426 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:38:22,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,567 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:38:22,567 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:38:22,578 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:38:22,601 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:38:22,625 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:38:22,628 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:38:22,628 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:38:22,628 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:38:22,628 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:38:22,628 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:38:22,629 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,629 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:38:22,629 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:38:22,629 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2019-11-28 20:38:22,629 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:38:22,629 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:38:22,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:38:22,738 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:38:22,743 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:38:22,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,760 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,769 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,773 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,775 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:38:22,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,797 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,818 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:38:22,833 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,835 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,837 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,837 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,839 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,858 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,858 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,861 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,878 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,888 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:38:22,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:38:22,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:38:22,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:38:22,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:38:22,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,921 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:22,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:38:22,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:38:22,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:38:22,934 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:38:22,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:38:22,945 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-11-28 20:38:22,945 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-11-28 20:38:22,970 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:38:22,999 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-11-28 20:38:22,999 INFO L444 ModelExtractionUtils]: 2 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:38:23,008 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:38:23,016 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-11-28 20:38:23,017 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:38:23,018 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2019-11-28 20:38:23,032 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-11-28 20:38:23,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:38:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:38:23,095 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2019-11-28 20:38:23,097 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:38:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:38:23,141 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-28 20:38:23,142 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:38:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:38:23,204 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-11-28 20:38:23,208 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2019-11-28 20:38:23,381 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 33 states and 38 transitions. Complement of second has 13 states. [2019-11-28 20:38:23,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:38:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 20:38:23,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-11-28 20:38:23,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2019-11-28 20:38:23,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:38:23,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2019-11-28 20:38:23,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:38:23,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2019-11-28 20:38:23,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:38:23,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2019-11-28 20:38:23,405 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:38:23,409 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-11-28 20:38:23,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:38:23,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:38:23,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:38:23,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:38:23,412 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:38:23,412 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:38:23,412 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:38:23,412 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:38:23,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:38:23,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:38:23,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:38:23,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:38:23 BoogieIcfgContainer [2019-11-28 20:38:23,420 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:38:23,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:38:23,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:38:23,422 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:38:23,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:38:21" (3/4) ... [2019-11-28 20:38:23,426 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:38:23,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:38:23,431 INFO L168 Benchmark]: Toolchain (without parser) took 2345.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 961.7 MB in the beginning and 850.5 MB in the end (delta: 111.3 MB). Peak memory consumption was 209.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:38:23,432 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:38:23,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 949.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:38:23,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:38:23,441 INFO L168 Benchmark]: Boogie Preprocessor took 21.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:38:23,443 INFO L168 Benchmark]: RCFGBuilder took 219.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:38:23,444 INFO L168 Benchmark]: BuchiAutomizer took 1705.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 850.5 MB in the end (delta: 223.5 MB). Peak memory consumption was 223.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:38:23,445 INFO L168 Benchmark]: Witness Printer took 5.42 ms. Allocated memory is still 1.1 GB. Free memory is still 850.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:38:23,459 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.57 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 949.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.30 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 219.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1705.23 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 850.5 MB in the end (delta: 223.5 MB). Peak memory consumption was 223.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.42 ms. Allocated memory is still 1.1 GB. Free memory is still 850.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 8 SDtfs, 11 SDslu, 4 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf95 smp100 dnf156 smp100 tf102 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 93ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 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...