./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/hhk2008.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-lit/hhk2008.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 28b2ad201518efe03ee958727cbbab0872294873 .................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:08:10,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:08:10,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:08:10,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:08:10,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:08:10,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:08:10,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:08:10,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:08:10,166 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:08:10,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:08:10,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:08:10,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:08:10,170 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:08:10,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:08:10,173 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:08:10,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:08:10,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:08:10,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:08:10,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:08:10,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:08:10,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:08:10,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:08:10,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:08:10,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:08:10,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:08:10,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:08:10,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:08:10,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:08:10,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:08:10,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:08:10,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:08:10,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:08:10,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:08:10,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:08:10,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:08:10,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:08:10,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:08:10,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:08:10,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:08:10,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:08:10,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:08:10,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:08:10,220 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:08:10,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:08:10,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:08:10,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:08:10,222 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:08:10,223 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:08:10,223 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:08:10,223 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:08:10,224 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:08:10,224 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:08:10,224 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:08:10,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:08:10,225 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:08:10,225 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:08:10,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:08:10,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:08:10,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:08:10,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:08:10,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:08:10,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:08:10,227 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:08:10,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:08:10,228 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:08:10,228 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:08:10,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:08:10,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:08:10,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:08:10,229 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:08:10,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:08:10,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:08:10,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:08:10,230 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:08:10,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:08:10,232 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 -> 28b2ad201518efe03ee958727cbbab0872294873 [2020-07-29 02:08:10,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:08:10,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:08:10,668 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:08:10,670 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:08:10,670 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:08:10,671 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/hhk2008.i [2020-07-29 02:08:10,734 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a592096ea/f608af9394bf4244b170bffeff4455d1/FLAG92498a854 [2020-07-29 02:08:11,149 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:08:11,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/hhk2008.i [2020-07-29 02:08:11,156 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a592096ea/f608af9394bf4244b170bffeff4455d1/FLAG92498a854 [2020-07-29 02:08:11,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a592096ea/f608af9394bf4244b170bffeff4455d1 [2020-07-29 02:08:11,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:08:11,546 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:08:11,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:11,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:08:11,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:08:11,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b73ba2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11, skipping insertion in model container [2020-07-29 02:08:11,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:08:11,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:08:11,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:11,794 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:08:11,812 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:08:11,828 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:08:11,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11 WrapperNode [2020-07-29 02:08:11,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:08:11,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:11,830 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:08:11,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:08:11,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:08:11,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:08:11,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:08:11,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:08:11,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,943 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (1/1) ... [2020-07-29 02:08:11,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:08:11,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:08:11,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:08:11,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:08:11,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (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 02:08:12,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:08:12,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:08:12,218 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:08:12,218 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:08:12,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:12 BoogieIcfgContainer [2020-07-29 02:08:12,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:08:12,222 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:08:12,223 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:08:12,226 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:08:12,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:12,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:08:11" (1/3) ... [2020-07-29 02:08:12,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10556ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:12, skipping insertion in model container [2020-07-29 02:08:12,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:12,229 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:08:11" (2/3) ... [2020-07-29 02:08:12,229 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@10556ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:08:12, skipping insertion in model container [2020-07-29 02:08:12,229 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:08:12,230 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:12" (3/3) ... [2020-07-29 02:08:12,232 INFO L371 chiAutomizerObserver]: Analyzing ICFG hhk2008.i [2020-07-29 02:08:12,287 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:08:12,287 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:08:12,287 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:08:12,288 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:08:12,288 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:08:12,288 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:08:12,288 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:08:12,288 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:08:12,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:08:12,339 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:12,339 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:12,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:12,350 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 02:08:12,350 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 02:08:12,350 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:08:12,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:08:12,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:12,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:12,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:12,355 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 02:08:12,356 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 02:08:12,367 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~res~0, main_~cnt~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~res~0;havoc main_~cnt~0; 6#L17true assume !!(main_~a~0 <= 1000000); 9#L18true assume !!(0 <= main_~b~0 && main_~b~0 <= 1000000);main_~res~0 := main_~a~0;main_~cnt~0 := main_~b~0; 13#L21-2true [2020-07-29 02:08:12,368 INFO L796 eck$LassoCheckResult]: Loop: 13#L21-2true assume !!(main_~cnt~0 > 0);main_~cnt~0 := main_~cnt~0 - 1;main_~res~0 := 1 + main_~res~0; 13#L21-2true [2020-07-29 02:08:12,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:12,376 INFO L82 PathProgramCache]: Analyzing trace with hash 30949, now seen corresponding path program 1 times [2020-07-29 02:08:12,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:12,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659903322] [2020-07-29 02:08:12,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,482 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,493 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,513 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:12,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:12,514 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-07-29 02:08:12,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:12,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023833417] [2020-07-29 02:08:12,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,526 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,530 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,532 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:12,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:12,534 INFO L82 PathProgramCache]: Analyzing trace with hash 959439, now seen corresponding path program 1 times [2020-07-29 02:08:12,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:08:12,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023611101] [2020-07-29 02:08:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:08:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:08:12,554 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:08:12,557 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:08:12,634 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:12,635 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:12,635 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:12,636 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:12,636 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 02:08:12,636 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:12,636 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:12,636 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:12,637 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2020-07-29 02:08:12,637 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:12,637 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:12,670 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 02:08:12,695 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 02:08:12,801 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:12,802 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) [2020-07-29 02:08:12,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 02:08:12,812 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 02:08:12,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 02:08:12,859 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 02:08:12,902 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 02:08:12,904 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 02:08:12,904 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 02:08:12,905 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 02:08:12,905 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 02:08:12,905 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 02:08:12,905 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:12,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 02:08:12,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 02:08:12,906 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2020-07-29 02:08:12,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 02:08:12,907 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 02:08:12,916 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 02:08:12,926 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 02:08:13,035 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 02:08:13,042 INFO L489 LassoAnalysis]: Using template 'affine'. 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 02:08:13,055 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 02:08:13,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 02:08:13,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 02:08:13,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 02:08:13,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 02:08:13,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 02:08:13,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 02:08:13,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 02:08:13,069 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 02:08:13,094 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 02:08:13,094 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. 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 02:08:13,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 02:08:13,100 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 02:08:13,101 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 02:08:13,101 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0) = 1*ULTIMATE.start_main_~cnt~0 Supporting invariants [] [2020-07-29 02:08:13,138 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 02:08:13,143 INFO L393 LassoCheck]: Loop: "assume !!(main_~cnt~0 > 0);main_~cnt~0 := main_~cnt~0 - 1;main_~res~0 := 1 + main_~res~0;" [2020-07-29 02:08:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:13,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:08:13,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:13,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 02:08:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:13,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:13,225 INFO L280 TraceCheckUtils]: 0: Hoare triple {21#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~b~0, main_~res~0, main_~cnt~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~b~0 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~res~0;havoc main_~cnt~0; {21#unseeded} is VALID [2020-07-29 02:08:13,226 INFO L280 TraceCheckUtils]: 1: Hoare triple {21#unseeded} assume !!(main_~a~0 <= 1000000); {21#unseeded} is VALID [2020-07-29 02:08:13,227 INFO L280 TraceCheckUtils]: 2: Hoare triple {21#unseeded} assume !!(0 <= main_~b~0 && main_~b~0 <= 1000000);main_~res~0 := main_~a~0;main_~cnt~0 := main_~b~0; {21#unseeded} is VALID [2020-07-29 02:08:13,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:13,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-29 02:08:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:08:13,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 02:08:13,245 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#(>= oldRank0 ULTIMATE.start_main_~cnt~0)} assume !!(main_~cnt~0 > 0);main_~cnt~0 := main_~cnt~0 - 1;main_~res~0 := 1 + main_~res~0; {34#(or (and (>= oldRank0 0) (> oldRank0 ULTIMATE.start_main_~cnt~0)) unseeded)} is VALID [2020-07-29 02:08:13,245 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 02:08:13,257 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 02:08:13,267 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 4 edges. 4 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:08:13,269 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,273 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,279 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 02:08:13,280 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 2 states. [2020-07-29 02:08:13,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 2 states. Result 29 states and 35 transitions. Complement of second has 5 states. [2020-07-29 02:08:13,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 02:08:13,370 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:13,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:08:13,372 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:13,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:13,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:13,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 02:08:13,379 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 02:08:13,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:08:13,379 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:08:13,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. [2020-07-29 02:08:13,382 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:13,382 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:13,384 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 11 states. [2020-07-29 02:08:13,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 02:08:13,387 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 02:08:13,387 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 02:08:13,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 02:08:13,391 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 02:08:13,391 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 29 states and 35 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:13,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 35 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:13,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:13,392 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 02:08:13,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,393 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 02:08:13,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 29 letters. Loop has 29 letters. [2020-07-29 02:08:13,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 29 letters. Loop has 29 letters. [2020-07-29 02:08:13,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,396 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:08:13,396 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:08:13,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 11 letters. Loop has 11 letters. [2020-07-29 02:08:13,397 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:13,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:13,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,398 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 4 letters. Loop has 4 letters. [2020-07-29 02:08:13,398 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:13,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:13,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 2 letters. Loop has 1 letters. [2020-07-29 02:08:13,401 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 29 states and 35 transitions. cyclomatic complexity: 7 Stem has 1 letters. Loop has 1 letters. [2020-07-29 02:08:13,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,403 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 02:08:13,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 02:08:13,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2020-07-29 02:08:13,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 1 letters. [2020-07-29 02:08:13,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 4 letters. Loop has 1 letters. [2020-07-29 02:08:13,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 3 letters. Loop has 2 letters. [2020-07-29 02:08:13,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 02:08:13,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. cyclomatic complexity: 7 [2020-07-29 02:08:13,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:13,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2020-07-29 02:08:13,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 02:08:13,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 02:08:13,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 02:08:13,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:08:13,421 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:13,421 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:13,421 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 02:08:13,421 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:08:13,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 02:08:13,422 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 02:08:13,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 02:08:13,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:08:13 BoogieIcfgContainer [2020-07-29 02:08:13,430 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:08:13,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:08:13,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:08:13,431 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:08:13,431 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:08:12" (3/4) ... [2020-07-29 02:08:13,435 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 02:08:13,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:08:13,439 INFO L168 Benchmark]: Toolchain (without parser) took 1892.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 962.9 MB in the beginning and 992.6 MB in the end (delta: -29.7 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:13,440 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:13,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:13,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 1.0 GB. Free memory is still 952.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:13,442 INFO L168 Benchmark]: Boogie Preprocessor took 80.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:13,443 INFO L168 Benchmark]: RCFGBuilder took 275.92 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:13,444 INFO L168 Benchmark]: BuchiAutomizer took 1207.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.6 MB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:08:13,445 INFO L168 Benchmark]: Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 992.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:08:13,449 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 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.68 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.55 ms. Allocated memory is still 1.0 GB. Free memory is still 952.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 80.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -159.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 275.92 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: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1207.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.6 MB in the end (delta: 100.4 MB). Peak memory consumption was 100.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.53 ms. Allocated memory is still 1.2 GB. Free memory is still 992.6 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 cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 13 SDtfs, 14 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 56ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...