./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/genady.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted-lit/genady.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6938b5c805400363799492c040263d9022406929 ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:29:14,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:29:14,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:29:14,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:29:14,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:29:14,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:29:14,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:29:14,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:29:14,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:29:14,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:29:14,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:29:14,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:29:14,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:29:14,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:29:14,151 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:29:14,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:29:14,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:29:14,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:29:14,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:29:14,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:29:14,160 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:29:14,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:29:14,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:29:14,164 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:29:14,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:29:14,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:29:14,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:29:14,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:29:14,170 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:29:14,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:29:14,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:29:14,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:29:14,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:29:14,174 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:29:14,176 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:29:14,176 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:29:14,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:29:14,177 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:29:14,177 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:29:14,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:29:14,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:29:14,180 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:29:14,206 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:29:14,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:29:14,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:29:14,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:29:14,211 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:29:14,211 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:29:14,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:29:14,211 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:29:14,212 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:29:14,212 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:29:14,213 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:29:14,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:29:14,214 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:29:14,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:29:14,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:29:14,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:29:14,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:29:14,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:29:14,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:29:14,217 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:29:14,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:29:14,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:29:14,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:29:14,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:29:14,218 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:29:14,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:29:14,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:29:14,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:29:14,219 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:29:14,221 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:29:14,222 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6938b5c805400363799492c040263d9022406929 [2020-07-29 01:29:14,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:29:14,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:29:14,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:29:14,591 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:29:14,595 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:29:14,596 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/genady.c [2020-07-29 01:29:14,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd911603/c3f687029fef4482b0ecddd6ca5f9004/FLAG1bd06bcbc [2020-07-29 01:29:15,130 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:29:15,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/genady.c [2020-07-29 01:29:15,138 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd911603/c3f687029fef4482b0ecddd6ca5f9004/FLAG1bd06bcbc [2020-07-29 01:29:15,625 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3fd911603/c3f687029fef4482b0ecddd6ca5f9004 [2020-07-29 01:29:15,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:29:15,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:29:15,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:15,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:29:15,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:29:15,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22898e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15, skipping insertion in model container [2020-07-29 01:29:15,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:29:15,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:29:15,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:15,866 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:29:15,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:29:15,893 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:29:15,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15 WrapperNode [2020-07-29 01:29:15,894 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:29:15,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:15,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:29:15,895 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:29:15,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:29:15,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:29:15,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:29:15,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:29:15,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (1/1) ... [2020-07-29 01:29:15,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:29:15,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:29:15,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:29:15,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:29:15,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (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 01:29:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:29:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:29:16,208 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:29:16,208 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:29:16,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:16 BoogieIcfgContainer [2020-07-29 01:29:16,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:29:16,213 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:29:16,213 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:29:16,217 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:29:16,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:16,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:29:15" (1/3) ... [2020-07-29 01:29:16,219 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c66bacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:16, skipping insertion in model container [2020-07-29 01:29:16,220 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:16,220 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:29:15" (2/3) ... [2020-07-29 01:29:16,220 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2c66bacd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:29:16, skipping insertion in model container [2020-07-29 01:29:16,221 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:29:16,221 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:16" (3/3) ... [2020-07-29 01:29:16,223 INFO L371 chiAutomizerObserver]: Analyzing ICFG genady.c [2020-07-29 01:29:16,269 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:29:16,269 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:29:16,269 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:29:16,269 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:29:16,269 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:29:16,269 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:29:16,270 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:29:16,270 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:29:16,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:29:16,301 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:16,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:16,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:16,306 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:16,306 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:29:16,306 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:29:16,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:29:16,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:16,308 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:16,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:16,309 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 01:29:16,309 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:29:16,315 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~j~0 := 1;main_~i~0 := 10000; 6#L15-2true [2020-07-29 01:29:16,315 INFO L796 eck$LassoCheckResult]: Loop: 6#L15-2true assume !!(main_~i~0 - main_~j~0 >= 1);main_~j~0 := 1 + main_~j~0;main_~i~0 := main_~i~0 - 1; 6#L15-2true [2020-07-29 01:29:16,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:16,320 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 01:29:16,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:16,329 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178980653] [2020-07-29 01:29:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,398 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,401 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,418 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:16,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:16,420 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-07-29 01:29:16,420 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:16,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198509702] [2020-07-29 01:29:16,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:16,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:16,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-07-29 01:29:16,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:29:16,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255289565] [2020-07-29 01:29:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:29:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:29:16,458 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:29:16,460 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:29:16,546 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:16,547 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:16,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:16,548 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:16,548 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:29:16,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:16,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:16,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:16,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady.c_Iteration1_Loop [2020-07-29 01:29:16,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:16,550 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:16,648 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 01:29:16,694 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 01:29:16,702 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 01:29:16,846 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:16,847 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 01:29:16,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:29:16,854 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 01:29:16,900 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:29:16,900 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 01:29:16,990 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:29:16,992 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:29:16,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:29:16,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:29:16,993 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:29:16,993 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:29:16,993 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:16,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:29:16,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:29:16,994 INFO L133 ssoRankerPreferences]: Filename of dumped script: genady.c_Iteration1_Loop [2020-07-29 01:29:16,994 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:29:16,994 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:29:17,007 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 01:29:17,020 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 01:29:17,026 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 01:29:17,146 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:29:17,152 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:29:17,162 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 01:29:17,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:29:17,166 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:29:17,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:29:17,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:29:17,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:29:17,173 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:29:17,173 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:29:17,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:29:17,185 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-07-29 01:29:17,185 INFO L444 ModelExtractionUtils]: 1 out of 4 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 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 01:29:17,192 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:29:17,192 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:29:17,193 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:29:17,194 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~i~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2020-07-29 01:29:17,236 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:29:17,240 INFO L393 LassoCheck]: Loop: "assume !!(main_~i~0 - main_~j~0 >= 1);main_~j~0 := 1 + main_~j~0;main_~i~0 := main_~i~0 - 1;" [2020-07-29 01:29:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:17,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:29:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:17,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:29:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:17,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:17,303 INFO L280 TraceCheckUtils]: 0: Hoare triple {16#unseeded} havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~j~0 := 1;main_~i~0 := 10000; {16#unseeded} is VALID [2020-07-29 01:29:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:17,309 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:29:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:29:17,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:29:17,315 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#(>= oldRank0 (+ ULTIMATE.start_main_~i~0 (* (- 1) ULTIMATE.start_main_~j~0)))} assume !!(main_~i~0 - main_~j~0 >= 1);main_~j~0 := 1 + main_~j~0;main_~i~0 := main_~i~0 - 1; {29#(or (and (> oldRank0 (+ ULTIMATE.start_main_~i~0 (* (- 1) ULTIMATE.start_main_~j~0))) (>= oldRank0 0)) unseeded)} is VALID [2020-07-29 01:29:17,316 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 01:29:17,327 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:29:17,336 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 2 edges. 2 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:29:17,338 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,342 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,348 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 01:29:17,349 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-07-29 01:29:17,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-07-29 01:29:17,408 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 01:29:17,408 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:17,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-07-29 01:29:17,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:17,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:17,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:17,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:29:17,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:29:17,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:29:17,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:29:17,414 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2020-07-29 01:29:17,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:17,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:17,417 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 6 states. [2020-07-29 01:29:17,418 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:29:17,418 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:29:17,419 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:29:17,420 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:29:17,420 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:29:17,421 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:17,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:17,421 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:17,421 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:29:17,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,423 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,423 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:17,424 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,424 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:17,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 15 letters. Loop has 15 letters. [2020-07-29 01:29:17,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,425 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:17,425 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:17,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:29:17,426 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,426 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:17,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:17,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:29:17,427 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,428 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:17,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:17,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 18 transitions. cyclomatic complexity: 4 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,431 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:29:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:29:17,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-07-29 01:29:17,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:29:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:29:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,435 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-07-29 01:29:17,435 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:29:17,436 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. cyclomatic complexity: 4 [2020-07-29 01:29:17,439 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:17,443 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-07-29 01:29:17,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:29:17,444 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:29:17,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:29:17,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:29:17,445 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:17,445 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:17,445 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:29:17,445 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:29:17,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:29:17,446 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:29:17,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:29:17,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:29:17 BoogieIcfgContainer [2020-07-29 01:29:17,453 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:29:17,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:29:17,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:29:17,454 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:29:17,454 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:29:16" (3/4) ... [2020-07-29 01:29:17,458 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:29:17,458 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:29:17,461 INFO L168 Benchmark]: Toolchain (without parser) took 1829.76 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 952.2 MB in the beginning and 947.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:17,462 INFO L168 Benchmark]: CDTParser took 1.05 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 01:29:17,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.39 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:17,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.91 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:17,464 INFO L168 Benchmark]: Boogie Preprocessor took 69.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:17,465 INFO L168 Benchmark]: RCFGBuilder took 218.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:17,466 INFO L168 Benchmark]: BuchiAutomizer took 1239.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 947.6 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:29:17,467 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 1.1 GB. Free memory is still 947.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:29:17,472 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 1.05 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 254.39 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 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 28.91 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 78.6 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -133.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 218.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1239.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 947.6 MB in the end (delta: 101.8 MB). Peak memory consumption was 101.8 MB. Max. memory is 11.5 GB. * Witness Printer took 5.13 ms. Allocated memory is still 1.1 GB. Free memory is still 947.6 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 i + -1 * j and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 3 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: inital17 mio100 ax170 hnf100 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...