./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/sum01-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loops/sum01-1.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 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:49:14,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:49:14,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:49:14,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:49:14,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:49:14,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:49:14,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:49:14,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:49:14,903 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:49:14,907 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:49:14,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:49:14,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:49:14,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:49:14,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:49:14,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:49:14,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:49:14,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:49:14,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:49:14,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:49:14,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:49:14,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:49:14,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:49:14,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:49:14,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:49:14,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:49:14,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:49:14,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:49:14,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:49:14,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:49:14,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:49:14,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:49:14,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:49:14,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:49:14,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:49:14,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:49:14,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:49:14,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:49:14,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:49:14,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:49:14,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:49:14,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:49:14,940 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:49:14,957 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:49:14,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:49:14,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:49:14,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:49:14,960 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:49:14,960 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:49:14,960 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:49:14,961 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:49:14,961 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:49:14,961 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:49:14,961 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:49:14,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:49:14,962 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:49:14,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:49:14,963 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:49:14,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:49:14,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:49:14,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:49:14,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:49:14,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:49:14,964 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:49:14,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:49:14,965 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:49:14,965 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:49:14,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:49:14,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:49:14,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:49:14,967 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:49:14,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:49:14,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:49:14,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:49:14,968 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:49:14,969 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:49:14,969 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 -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-11-28 20:49:15,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:49:15,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:49:15,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:49:15,314 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:49:15,315 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:49:15,315 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/sum01-1.i [2019-11-28 20:49:15,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d99a747/9e8e3354b21642c2bffa5eb07958c1ac/FLAG4e56be745 [2019-11-28 20:49:15,892 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:49:15,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/sum01-1.i [2019-11-28 20:49:15,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d99a747/9e8e3354b21642c2bffa5eb07958c1ac/FLAG4e56be745 [2019-11-28 20:49:16,246 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09d99a747/9e8e3354b21642c2bffa5eb07958c1ac [2019-11-28 20:49:16,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:49:16,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:49:16,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:49:16,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:49:16,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:49:16,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318a92e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16, skipping insertion in model container [2019-11-28 20:49:16,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:49:16,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:49:16,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:49:16,457 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:49:16,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:49:16,483 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:49:16,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16 WrapperNode [2019-11-28 20:49:16,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:49:16,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:49:16,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:49:16,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:49:16,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:49:16,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:49:16,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:49:16,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:49:16,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,580 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,589 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... [2019-11-28 20:49:16,595 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:49:16,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:49:16,596 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:49:16,596 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:49:16,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:49:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:49:16,799 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:49:16,800 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-28 20:49:16,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:16 BoogieIcfgContainer [2019-11-28 20:49:16,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:49:16,802 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:49:16,802 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:49:16,806 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:49:16,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:16,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:49:16" (1/3) ... [2019-11-28 20:49:16,808 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3edce20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:49:16, skipping insertion in model container [2019-11-28 20:49:16,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:16,808 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:49:16" (2/3) ... [2019-11-28 20:49:16,809 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3edce20b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:49:16, skipping insertion in model container [2019-11-28 20:49:16,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:49:16,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:16" (3/3) ... [2019-11-28 20:49:16,810 INFO L371 chiAutomizerObserver]: Analyzing ICFG sum01-1.i [2019-11-28 20:49:16,861 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:49:16,862 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:49:16,862 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:49:16,862 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:49:16,862 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:49:16,862 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:49:16,862 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:49:16,863 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:49:16,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 20:49:16,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:16,914 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:16,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:16,924 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:49:16,925 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:16,925 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:49:16,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-28 20:49:16,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:16,927 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:16,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:16,928 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-28 20:49:16,928 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:16,939 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-11-28 20:49:16,939 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 10#L14true assume main_~i~0 < 10;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-11-28 20:49:16,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:16,947 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-28 20:49:16,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:16,958 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299087910] [2019-11-28 20:49:16,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,100 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:17,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,102 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-11-28 20:49:17,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:17,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856804321] [2019-11-28 20:49:17,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:17,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,123 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-11-28 20:49:17,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:17,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091130716] [2019-11-28 20:49:17,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:17,273 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:17,274 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:17,275 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:17,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:17,275 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:49:17,276 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,276 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:17,276 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:17,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-11-28 20:49:17,277 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:17,277 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:17,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,404 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:17,405 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,416 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:17,417 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:49:17,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:17,451 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:49:17,451 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=5}, {ULTIMATE.start_main_~sn~0=4}, {ULTIMATE.start_main_~sn~0=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] 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) [2019-11-28 20:49:17,466 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:17,467 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2019-11-28 20:49:17,485 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:49:17,485 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,498 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:49:17,500 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:17,501 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:17,501 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:17,501 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:17,501 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:17,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:17,502 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:17,502 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration1_Loop [2019-11-28 20:49:17,503 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:17,503 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:17,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:17,583 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:17,589 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:17,600 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:17,600 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:17,601 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:17,601 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:17,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:17,608 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:17,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:17,612 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:17,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:17,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:17,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:17,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:17,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:17,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:17,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:17,651 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:17,657 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:49:17,658 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:17,674 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:49:17,675 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:49:17,675 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:17,676 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:49:17,683 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:17,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:17,749 INFO L264 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:17,750 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:17,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:17,762 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:49:17,764 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:17,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:17,807 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:49:17,809 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-11-28 20:49:17,879 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2019-11-28 20:49:17,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:17,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:17,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-11-28 20:49:17,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-11-28 20:49:17,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:17,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-28 20:49:17,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:17,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-11-28 20:49:17,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:17,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-11-28 20:49:17,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:17,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-11-28 20:49:17,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-11-28 20:49:17,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-11-28 20:49:17,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-11-28 20:49:17,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:49:17,900 INFO L688 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-11-28 20:49:17,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-11-28 20:49:17,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-11-28 20:49:17,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-11-28 20:49:17,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-11-28 20:49:17,930 INFO L711 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 20:49:17,930 INFO L591 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-11-28 20:49:17,930 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:49:17,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-11-28 20:49:17,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-28 20:49:17,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:49:17,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:49:17,931 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:49:17,932 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:49:17,932 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-11-28 20:49:17,932 INFO L796 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 10); 86#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 80#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-11-28 20:49:17,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-11-28 20:49:17,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:17,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298536633] [2019-11-28 20:49:17,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:17,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,959 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-11-28 20:49:17,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:17,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611834378] [2019-11-28 20:49:17,960 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:49:17,968 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:49:17,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:17,968 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-11-28 20:49:17,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:49:17,969 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340108489] [2019-11-28 20:49:17,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:49:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:18,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:18,008 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340108489] [2019-11-28 20:49:18,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:49:18,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-28 20:49:18,011 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411340039] [2019-11-28 20:49:18,047 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:18,048 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:18,048 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:18,048 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:18,048 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:49:18,048 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,048 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:18,049 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:18,049 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-11-28 20:49:18,049 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:18,049 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:18,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:18,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:18,093 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:18,093 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:18,107 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:18,112 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 20:49:18,112 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:18,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:49:18,125 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 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 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,141 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:49:18,141 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:49:18,187 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:49:18,189 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:49:18,189 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:49:18,189 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:49:18,189 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:49:18,189 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:49:18,189 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,190 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:49:18,190 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:49:18,190 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum01-1.i_Iteration2_Loop [2019-11-28 20:49:18,190 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:49:18,190 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:49:18,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:18,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:49:18,236 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:49:18,236 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:18,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:18,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:18,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:18,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:18,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:18,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:18,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:18,247 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:49:18,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:49:18,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:49:18,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:49:18,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:49:18,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:49:18,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:49:18,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:49:18,273 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:49:18,280 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-28 20:49:18,280 INFO L444 ModelExtractionUtils]: 0 out of 4 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:49:18,288 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:49:18,288 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:49:18,289 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:49:18,289 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-11-28 20:49:18,292 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:49:18,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:49:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:18,326 INFO L264 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:49:18,326 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:49:18,331 WARN L262 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:49:18,331 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:49:18,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:49:18,355 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:49:18,355 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-11-28 20:49:18,382 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-11-28 20:49:18,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:49:18,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:49:18,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-11-28 20:49:18,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-28 20:49:18,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:18,384 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-28 20:49:18,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:18,385 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-28 20:49:18,385 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:49:18,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-11-28 20:49:18,387 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:18,387 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-11-28 20:49:18,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:49:18,388 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:49:18,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:49:18,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:49:18,388 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:18,389 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:18,389 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:49:18,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:49:18,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:49:18,393 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-28 20:49:18,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:49:18,397 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:49:18,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:49:18,397 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:49:18,397 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:18,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:49:18,398 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:49:18,398 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:49:18,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:49:18,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:49:18,399 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:18,399 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:18,399 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:49:18,399 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:49:18,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:49:18,400 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:49:18,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:49:18,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:49:18 BoogieIcfgContainer [2019-11-28 20:49:18,407 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:49:18,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:49:18,408 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:49:18,408 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:49:18,409 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:49:16" (3/4) ... [2019-11-28 20:49:18,412 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:49:18,413 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:49:18,416 INFO L168 Benchmark]: Toolchain (without parser) took 2163.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 960.4 MB in the beginning and 946.4 MB in the end (delta: 14.0 MB). Peak memory consumption was 150.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,416 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:18,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 232.11 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,419 INFO L168 Benchmark]: Boogie Preprocessor took 26.03 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,420 INFO L168 Benchmark]: RCFGBuilder took 205.87 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,421 INFO L168 Benchmark]: BuchiAutomizer took 1605.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.4 MB in the end (delta: 168.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:49:18,422 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 946.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:49:18,427 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 232.11 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 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 83.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -183.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.03 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 205.87 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1605.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 946.4 MB in the end (delta: 168.2 MB). Peak memory consumption was 168.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 946.4 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf96 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...