./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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/loop-lit/cggmp2005_variant.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 fb13e67548d34af589d64a91d36af5946c1dd198 ....................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:25:23,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:25:23,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:25:23,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:25:23,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:25:23,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:25:23,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:25:23,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:25:23,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:25:23,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:25:23,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:25:23,578 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:25:23,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:25:23,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:25:23,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:25:23,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:25:23,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:25:23,584 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:25:23,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:25:23,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:25:23,590 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:25:23,591 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:25:23,592 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:25:23,593 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:25:23,596 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:25:23,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:25:23,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:25:23,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:25:23,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:25:23,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:25:23,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:25:23,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:25:23,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:25:23,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:25:23,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:25:23,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:25:23,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:25:23,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:25:23,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:25:23,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:25:23,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:25:23,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:25:23,624 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:25:23,624 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:25:23,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:25:23,626 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:25:23,626 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:25:23,626 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:25:23,626 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:25:23,626 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:25:23,627 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:25:23,627 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:25:23,627 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:25:23,627 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:25:23,627 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:25:23,628 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:25:23,628 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:25:23,628 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:25:23,628 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:25:23,629 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:25:23,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:25:23,629 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:25:23,629 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:25:23,629 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:25:23,630 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:25:23,630 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:25:23,630 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:25:23,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:25:23,630 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:25:23,631 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:25:23,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:25:23,631 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:25:23,631 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:25:23,632 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:25:23,633 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 -> fb13e67548d34af589d64a91d36af5946c1dd198 [2019-11-19 22:25:23,983 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:25:24,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:25:24,008 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:25:24,009 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:25:24,009 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:25:24,010 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2019-11-19 22:25:24,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bbb4655/2025657f606f4ca5add34d0b3d8adb94/FLAG18b8846ad [2019-11-19 22:25:24,510 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:25:24,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2019-11-19 22:25:24,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bbb4655/2025657f606f4ca5add34d0b3d8adb94/FLAG18b8846ad [2019-11-19 22:25:24,940 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1bbb4655/2025657f606f4ca5add34d0b3d8adb94 [2019-11-19 22:25:24,943 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:25:24,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:25:24,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:25:24,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:25:24,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:25:24,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:24" (1/1) ... [2019-11-19 22:25:24,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b5cc13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:24, skipping insertion in model container [2019-11-19 22:25:24,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:25:24" (1/1) ... [2019-11-19 22:25:24,961 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:25:24,987 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:25:25,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:25:25,203 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:25:25,225 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:25:25,241 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:25:25,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25 WrapperNode [2019-11-19 22:25:25,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:25:25,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:25:25,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:25:25,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:25:25,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,331 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:25:25,332 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:25:25,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:25:25,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:25:25,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (1/1) ... [2019-11-19 22:25:25,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:25:25,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:25:25,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:25:25,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:25:25,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (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 [2019-11-19 22:25:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:25:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:25:25,566 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:25:25,567 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 22:25:25,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:25 BoogieIcfgContainer [2019-11-19 22:25:25,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:25:25,569 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:25:25,569 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:25:25,572 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:25:25,573 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:25,574 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:25:24" (1/3) ... [2019-11-19 22:25:25,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b616ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:25:25, skipping insertion in model container [2019-11-19 22:25:25,575 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:25,575 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:25:25" (2/3) ... [2019-11-19 22:25:25,575 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47b616ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:25:25, skipping insertion in model container [2019-11-19 22:25:25,576 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:25:25,576 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:25" (3/3) ... [2019-11-19 22:25:25,578 INFO L371 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2019-11-19 22:25:25,629 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:25:25,629 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:25:25,629 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:25:25,629 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:25:25,629 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:25:25,630 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:25:25,630 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:25:25,630 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:25:25,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:25:25,669 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:25:25,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:25:25,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:25:25,677 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:25:25,677 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:25:25,677 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:25:25,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-19 22:25:25,679 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-19 22:25:25,679 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:25:25,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:25:25,680 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-19 22:25:25,680 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-19 22:25:25,686 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~lo~0, main_~mid~0, main_~hi~0;havoc main_~lo~0;havoc main_~mid~0;havoc main_~hi~0;main_~lo~0 := 0;main_~mid~0 := main_#t~nondet1;havoc main_#t~nondet1; 10#L14true assume !!(main_~mid~0 > 0 && main_~mid~0 <= 1000000);main_~hi~0 := 2 * main_~mid~0; 11#L16-2true [2019-11-19 22:25:25,687 INFO L796 eck$LassoCheckResult]: Loop: 11#L16-2true assume !!(main_~mid~0 > 0);main_~lo~0 := 1 + main_~lo~0;main_~hi~0 := main_~hi~0 - 1;main_~mid~0 := main_~mid~0 - 1; 11#L16-2true [2019-11-19 22:25:25,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:25,692 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-19 22:25:25,699 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:25,700 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041538788] [2019-11-19 22:25:25,700 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,799 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:25,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:25,801 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2019-11-19 22:25:25,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:25,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965965801] [2019-11-19 22:25:25,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,815 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:25,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:25,820 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2019-11-19 22:25:25,820 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:25:25,821 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558768651] [2019-11-19 22:25:25,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:25:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:25:25,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:25:25,923 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:25:25,925 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:25:25,940 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:25:25,941 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:25:25,941 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:25:25,941 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:25,942 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:25:25,942 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:25:25,942 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2019-11-19 22:25:25,943 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:25:25,945 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:25:25,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,137 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:25:26,138 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) [2019-11-19 22:25:26,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:25:26,149 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:25:26,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:25:26,196 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:25:26,196 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0=0} Honda state: {ULTIMATE.start_main_~lo~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0=1}, {ULTIMATE.start_main_~lo~0=0}, {ULTIMATE.start_main_~lo~0=0}] Lambdas: [1, 7, 4] Nus: [1, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:25:26,213 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:25:26,213 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) [2019-11-19 22:25:26,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:25:26,231 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 [2019-11-19 22:25:26,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 22:25:26,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0=0} Honda state: {ULTIMATE.start_main_~hi~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0=-2}, {ULTIMATE.start_main_~hi~0=2}, {ULTIMATE.start_main_~hi~0=-1}] Lambdas: [2, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,264 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:25:26,264 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,274 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:25:26,275 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:25:26,286 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:25:26,288 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:25:26,288 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:25:26,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:25:26,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:25:26,289 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:25:26,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,293 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:25:26,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:25:26,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2019-11-19 22:25:26,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:25:26,295 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:25:26,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:25:26,403 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:25:26,411 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2019-11-19 22:25:26,428 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 [2019-11-19 22:25:26,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:25:26,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:25:26,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:25:26,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:25:26,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:25:26,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:25:26,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,449 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:25:26,467 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 [2019-11-19 22:25:26,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:25:26,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:25:26,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:25:26,470 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:25:26,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:25:26,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:25:26,474 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,478 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,493 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 [2019-11-19 22:25:26,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:25:26,497 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:25:26,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:25:26,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:25:26,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:25:26,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:25:26,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 22:25:26,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:25:26,514 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-11-19 22:25:26,515 INFO L444 ModelExtractionUtils]: 1 out of 3 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:25:26,522 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:25:26,522 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:25:26,522 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:25:26,523 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0) = 1*ULTIMATE.start_main_~mid~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Exception during sending of exit command (exit): Broken pipe [2019-11-19 22:25:26,531 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:25:26,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:25:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:25:26,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:25:26,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:25:26,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:25:26,624 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:25:26,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:25:26,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:25:26,646 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 [2019-11-19 22:25:26,648 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 2 states. [2019-11-19 22:25:26,709 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 2 states. Result 28 states and 33 transitions. Complement of second has 5 states. [2019-11-19 22:25:26,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 22:25:26,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-19 22:25:26,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-11-19 22:25:26,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-19 22:25:26,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:26,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 3 letters. Loop has 1 letters. [2019-11-19 22:25:26,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:26,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2019-11-19 22:25:26,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:25:26,716 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 33 transitions. [2019-11-19 22:25:26,720 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:25:26,722 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2019-11-19 22:25:26,723 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:25:26,723 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:25:26,724 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:25:26,724 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:25:26,724 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:26,725 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:26,725 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:25:26,725 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:25:26,725 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:25:26,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:25:26,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:25:26,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:25:26 BoogieIcfgContainer [2019-11-19 22:25:26,732 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:25:26,733 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:25:26,733 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:25:26,733 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:25:26,734 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:25:25" (3/4) ... [2019-11-19 22:25:26,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:25:26,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:25:26,741 INFO L168 Benchmark]: Toolchain (without parser) took 1795.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 961.7 MB in the beginning and 996.1 MB in the end (delta: -34.4 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:26,741 INFO L168 Benchmark]: CDTParser took 0.14 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. [2019-11-19 22:25:26,742 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.83 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:26,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:26,744 INFO L168 Benchmark]: Boogie Preprocessor took 22.39 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. [2019-11-19 22:25:26,745 INFO L168 Benchmark]: RCFGBuilder took 213.71 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:26,746 INFO L168 Benchmark]: BuchiAutomizer took 1163.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:25:26,747 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 996.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:25:26,752 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 298.83 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 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 87.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.39 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 213.71 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: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1163.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 996.1 MB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 ms. Allocated memory is still 1.2 GB. Free memory is still 996.1 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 mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 11 SDtfs, 11 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 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...