./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-new/count_by_nondet.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/loop-new/count_by_nondet.i -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 f5ae2fd5b241e9b0b172d9d450da3e62cef037f9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 02:08:17,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:08:17,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:08:17,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:08:17,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:08:17,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:08:17,719 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:08:17,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:08:17,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:08:17,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:08:17,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:08:17,726 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:08:17,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:08:17,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:08:17,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:08:17,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:08:17,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:08:17,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:08:17,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:08:17,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:08:17,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:08:17,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:08:17,742 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:08:17,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:08:17,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:08:17,746 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:08:17,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:08:17,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:08:17,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:08:17,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:08:17,750 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:08:17,751 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:08:17,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:08:17,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:08:17,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:08:17,754 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:08:17,755 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:08:17,755 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:08:17,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:08:17,757 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:08:17,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:08:17,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:08:17,777 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:08:17,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:08:17,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:08:17,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:08:17,779 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:08:17,780 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:08:17,780 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:08:17,780 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:08:17,780 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:08:17,781 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:08:17,781 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:08:17,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:08:17,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:08:17,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:08:17,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:08:17,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:08:17,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:08:17,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:08:17,783 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:08:17,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:08:17,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:08:17,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:08:17,784 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:08:17,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:08:17,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:08:17,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:08:17,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:08:17,786 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:08:17,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:08:17,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:08:17,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:08:17,787 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:08:17,789 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:08:17,790 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 -> f5ae2fd5b241e9b0b172d9d450da3e62cef037f9 [2020-07-29 02:08:18,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:08:18,112 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:08:18,116 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:08:18,118 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:08:18,118 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:08:18,119 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-new/count_by_nondet.i [2020-07-29 02:08:18,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c27230608/c704adad10b64df9834337a8a2cb72f5/FLAGe4d77c1e8 [2020-07-29 02:08:18,572 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:08:18,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-new/count_by_nondet.i [2020-07-29 02:08:18,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c27230608/c704adad10b64df9834337a8a2cb72f5/FLAGe4d77c1e8 [2020-07-29 02:08:18,960 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c27230608/c704adad10b64df9834337a8a2cb72f5 [2020-07-29 02:08:18,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:08:18,967 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:08:18,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:18,969 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:08:18,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:08:18,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:18" (1/1) ... [2020-07-29 02:08:18,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5573d26d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:18, skipping insertion in model container [2020-07-29 02:08:18,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:18" (1/1) ... [2020-07-29 02:08:18,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:08:19,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:08:19,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:19,202 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:08:19,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:19,231 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:08:19,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19 WrapperNode [2020-07-29 02:08:19,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:19,233 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:19,233 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:08:19,233 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:08:19,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,273 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:19,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:08:19,274 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:08:19,274 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:08:19,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (1/1) ... [2020-07-29 02:08:19,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:08:19,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:08:19,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:08:19,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:08:19,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (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 [2020-07-29 02:08:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:08:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:08:19,713 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:08:19,714 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:08:19,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:19 BoogieIcfgContainer [2020-07-29 02:08:19,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:08:19,719 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:08:19,719 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:08:19,724 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:08:19,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:19,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:08:18" (1/3) ... [2020-07-29 02:08:19,728 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1effee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:19, skipping insertion in model container [2020-07-29 02:08:19,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:19,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:19" (2/3) ... [2020-07-29 02:08:19,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1effee66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:19, skipping insertion in model container [2020-07-29 02:08:19,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:19,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:19" (3/3) ... [2020-07-29 02:08:19,732 INFO L371 chiAutomizerObserver]: Analyzing ICFG count_by_nondet.i [2020-07-29 02:08:19,799 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:08:19,800 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:08:19,800 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:08:19,800 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:08:19,801 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:08:19,801 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:08:19,801 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:08:19,801 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:08:19,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:19,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:19,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:19,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:19,875 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:08:19,875 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:08:19,875 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:08:19,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:19,880 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:19,882 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:19,882 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:19,883 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:08:19,883 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-07-29 02:08:19,893 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; 12#L16-2true [2020-07-29 02:08:19,893 INFO L796 eck$LassoCheckResult]: Loop: 12#L16-2true assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L18true assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post1 := main_~k~0;main_~k~0 := 1 + main_#t~post1;havoc main_#t~post1; 12#L16-2true [2020-07-29 02:08:19,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:19,901 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 02:08:19,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:19,915 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897221560] [2020-07-29 02:08:19,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:20,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,014 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,033 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:20,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:20,035 INFO L82 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2020-07-29 02:08:20,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:20,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573010780] [2020-07-29 02:08:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,060 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:20,062 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2020-07-29 02:08:20,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:20,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826881538] [2020-07-29 02:08:20,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,074 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:20,082 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:20,084 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:20,189 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:20,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:20,190 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:20,190 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:20,191 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:20,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:20,191 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:20,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:20,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-07-29 02:08:20,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:20,192 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:20,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,449 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:20,451 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 [2020-07-29 02:08:20,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:20,493 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-07-29 02:08:20,560 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:20,561 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:20,585 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:20,586 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0} Honda state: {ULTIMATE.start_main_~k~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~k~0=1}, {ULTIMATE.start_main_~k~0=5}, {ULTIMATE.start_main_~k~0=-5}] Lambdas: [1, 2, 1] Nus: [0, 1] 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) [2020-07-29 02:08:20,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:20,636 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:20,643 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 02:08:20,643 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2020-07-29 02:08:20,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:20,684 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2020-07-29 02:08:20,744 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:20,744 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:20,790 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:08:20,792 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:20,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:20,793 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:20,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:20,793 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:08:20,794 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:20,794 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:20,794 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:20,795 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_nondet.i_Iteration1_Loop [2020-07-29 02:08:20,796 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:20,796 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:20,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 02:08:20,984 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:20,989 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-07-29 02:08:20,994 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 [2020-07-29 02:08:20,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:20,997 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:20,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:20,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:20,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:21,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:21,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:21,005 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 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 [2020-07-29 02:08:21,045 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 [2020-07-29 02:08:21,048 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:21,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:21,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:21,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:21,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:21,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:21,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 02:08:21,056 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:08:21,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 02:08:21,062 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. 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) [2020-07-29 02:08:21,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:08:21,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 02:08:21,074 INFO L510 LassoAnalysis]: Proved termination. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:21,075 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1999999 Supporting invariants [] [2020-07-29 02:08:21,114 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 02:08:21,118 INFO L393 LassoCheck]: Loop: "assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post1 := main_~k~0;main_~k~0 := 1 + main_#t~post1;havoc main_#t~post1;" [2020-07-29 02:08:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:21,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:21,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:08:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:21,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:21,177 INFO L280 TraceCheckUtils]: 0: Hoare triple {20#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~j~0, main_~i~0, main_~k~0;main_~i~0 := 0;main_~k~0 := 0; {20#unseeded} is VALID [2020-07-29 02:08:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:21,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 02:08:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:21,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:21,217 INFO L280 TraceCheckUtils]: 0: Hoare triple {23#(>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~i~0) 1999999))} assume !!(main_~i~0 < 1000000);main_~j~0 := main_#t~nondet0;havoc main_#t~nondet0; {38#(and (<= 1999999 (+ oldRank0 (* 2 ULTIMATE.start_main_~i~0))) (< ULTIMATE.start_main_~i~0 1000000))} is VALID [2020-07-29 02:08:21,218 INFO L280 TraceCheckUtils]: 1: Hoare triple {38#(and (<= 1999999 (+ oldRank0 (* 2 ULTIMATE.start_main_~i~0))) (< ULTIMATE.start_main_~i~0 1000000))} assume !!(1 <= main_~j~0 && main_~j~0 < 1000000);main_~i~0 := main_~i~0 + main_~j~0;main_#t~post1 := main_~k~0;main_~k~0 := 1 + main_#t~post1;havoc main_#t~post1; {33#(or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) ULTIMATE.start_main_~i~0) 1999999))) unseeded)} is VALID [2020-07-29 02:08:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:08:21,230 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states. [2020-07-29 02:08:21,240 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 3 edges. 3 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:21,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,252 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-07-29 02:08:21,254 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2020-07-29 02:08:21,348 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 32 states and 38 transitions. Complement of second has 7 states. [2020-07-29 02:08:21,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-07-29 02:08:21,349 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:21,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-07-29 02:08:21,351 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:21,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:21,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:21,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states. [2020-07-29 02:08:21,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:08:21,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:21,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:21,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2020-07-29 02:08:21,366 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:21,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:21,368 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 10 states. [2020-07-29 02:08:21,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-07-29 02:08:21,375 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:21,376 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 3 states. [2020-07-29 02:08:21,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2020-07-29 02:08:21,382 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:21,382 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 32 states and 38 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:21,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:21,383 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:21,383 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:08:21,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,386 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,386 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,387 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 02:08:21,388 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,388 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 32 letters. Loop has 32 letters. [2020-07-29 02:08:21,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 32 letters. Loop has 32 letters. [2020-07-29 02:08:21,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:21,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:21,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 10 letters. Loop has 10 letters. [2020-07-29 02:08:21,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:08:21,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:08:21,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 5 letters. Loop has 5 letters. [2020-07-29 02:08:21,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:21,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:21,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 2 letters. [2020-07-29 02:08:21,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:21,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:21,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:21,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 32 states and 38 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,412 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-07-29 02:08:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-07-29 02:08:21,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-29 02:08:21,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:21,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 1 letters. Loop has 4 letters. [2020-07-29 02:08:21,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:21,424 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 38 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:21,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:21,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2020-07-29 02:08:21,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:08:21,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:08:21,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:08:21,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:08:21,447 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:21,447 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:21,447 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:21,455 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:08:21,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:08:21,456 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:21,456 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:21,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:08:21 BoogieIcfgContainer [2020-07-29 02:08:21,464 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:08:21,464 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:08:21,464 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:08:21,465 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:08:21,465 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:19" (3/4) ... [2020-07-29 02:08:21,470 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:08:21,470 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:08:21,474 INFO L168 Benchmark]: Toolchain (without parser) took 2507.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 952.2 MB in the beginning and 985.5 MB in the end (delta: -33.4 MB). Peak memory consumption was 115.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:21,477 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:21,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 263.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 940.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:21,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.43 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:21,482 INFO L168 Benchmark]: Boogie Preprocessor took 86.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:21,483 INFO L168 Benchmark]: RCFGBuilder took 358.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:21,485 INFO L168 Benchmark]: BuchiAutomizer took 1745.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 140.9 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:21,485 INFO L168 Benchmark]: Witness Printer took 5.81 ms. Allocated memory is still 1.2 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:21,500 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 263.81 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 940.1 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 40.43 ms. Allocated memory is still 1.0 GB. Free memory is still 940.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 86.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.9 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 358.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1745.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 985.5 MB in the end (delta: 140.9 MB). Peak memory consumption was 140.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.81 ms. Allocated memory is still 1.2 GB. Free memory is still 985.5 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 -2 * i + 1999999 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 13 SDs, 0 SdLazy, 6 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq152 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...