./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Mysore-2.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Mysore-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 86a466e94bfa75cb76f97095bf8fe7fd27594940 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:27:00,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:27:00,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:27:00,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:27:00,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:27:00,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:27:00,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:27:00,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:27:00,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:27:00,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:27:00,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:27:00,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:27:00,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:27:00,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:27:00,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:27:00,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:27:00,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:27:00,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:27:00,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:27:00,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:27:00,445 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:27:00,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:27:00,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:27:00,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:27:00,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:27:00,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:27:00,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:27:00,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:27:00,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:27:00,457 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:27:00,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:27:00,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:27:00,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:27:00,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:27:00,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:27:00,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:27:00,463 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:27:00,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:27:00,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:27:00,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:27:00,465 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:27:00,466 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:27:00,501 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:27:00,504 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:27:00,506 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:27:00,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:27:00,507 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:27:00,508 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:27:00,508 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:27:00,508 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:27:00,509 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:27:00,509 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:27:00,510 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:27:00,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:27:00,511 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:27:00,511 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:27:00,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:27:00,512 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:27:00,512 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:27:00,512 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:27:00,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:27:00,513 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:27:00,513 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:27:00,513 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:27:00,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:27:00,514 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:27:00,514 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:27:00,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:27:00,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:27:00,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:27:00,516 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:27:00,517 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:27:00,517 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86a466e94bfa75cb76f97095bf8fe7fd27594940 [2020-07-29 01:27:00,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:27:00,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:27:00,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:27:00,857 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:27:00,857 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:27:00,858 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Mysore-2.c [2020-07-29 01:27:00,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138a0067b/ce950ee9cf3a43c988601eba79879ece/FLAGfa4503bd9 [2020-07-29 01:27:01,367 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:27:01,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Mysore-2.c [2020-07-29 01:27:01,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138a0067b/ce950ee9cf3a43c988601eba79879ece/FLAGfa4503bd9 [2020-07-29 01:27:01,805 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138a0067b/ce950ee9cf3a43c988601eba79879ece [2020-07-29 01:27:01,809 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:27:01,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:27:01,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:27:01,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:27:01,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:27:01,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:27:01" (1/1) ... [2020-07-29 01:27:01,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b5a801 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:01, skipping insertion in model container [2020-07-29 01:27:01,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:27:01" (1/1) ... [2020-07-29 01:27:01,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:27:01,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:27:02,078 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:27:02,083 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:27:02,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:27:02,116 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:27:02,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02 WrapperNode [2020-07-29 01:27:02,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:27:02,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:27:02,118 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:27:02,118 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:27:02,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:27:02,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:27:02,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:27:02,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:27:02,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... [2020-07-29 01:27:02,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:27:02,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:27:02,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:27:02,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:27:02,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:27:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:27:02,559 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:27:02,559 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:27:02,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:02 BoogieIcfgContainer [2020-07-29 01:27:02,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:27:02,563 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:27:02,563 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:27:02,567 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:27:02,568 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:02,568 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:27:01" (1/3) ... [2020-07-29 01:27:02,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37fd4322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:27:02, skipping insertion in model container [2020-07-29 01:27:02,570 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:02,570 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:27:02" (2/3) ... [2020-07-29 01:27:02,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37fd4322 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:27:02, skipping insertion in model container [2020-07-29 01:27:02,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:27:02,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:02" (3/3) ... [2020-07-29 01:27:02,573 INFO L371 chiAutomizerObserver]: Analyzing ICFG Mysore-2.c [2020-07-29 01:27:02,627 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:27:02,627 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:27:02,628 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:27:02,628 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:27:02,628 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:27:02,628 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:27:02,629 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:27:02,629 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:27:02,643 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:27:02,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:02,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:02,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:02,698 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:27:02,701 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:27:02,701 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:27:02,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:27:02,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:02,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:02,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:02,708 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:27:02,709 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:27:02,723 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L19true assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); 9#L20true assume !!(-65535 <= main_~c~0 && main_~c~0 <= 65535); 3#L21true assume main_~c~0 >= 2; 10#L22-2true [2020-07-29 01:27:02,726 INFO L796 eck$LassoCheckResult]: Loop: 10#L22-2true assume !!(main_~x~0 + main_~c~0 >= 0);main_~x~0 := main_~x~0 - main_~c~0;main_~c~0 := 1 + main_~c~0; 10#L22-2true [2020-07-29 01:27:02,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:02,740 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2020-07-29 01:27:02,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:02,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515322966] [2020-07-29 01:27:02,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,894 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:02,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:02,896 INFO L82 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2020-07-29 01:27:02,896 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:02,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005212713] [2020-07-29 01:27:02,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,911 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,913 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:02,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:02,915 INFO L82 PathProgramCache]: Analyzing trace with hash 29742446, now seen corresponding path program 1 times [2020-07-29 01:27:02,915 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:27:02,916 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642009585] [2020-07-29 01:27:02,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:27:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,926 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:27:02,935 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:27:02,937 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:27:03,007 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:27:03,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:27:03,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:27:03,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:27:03,009 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:27:03,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:27:03,009 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:27:03,009 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2020-07-29 01:27:03,009 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:27:03,010 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:27:03,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,214 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:27:03,215 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:03,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:27:03,234 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:27:03,234 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:27:03,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:03,278 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,283 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:27:03,283 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:27:03,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:27:03,322 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) [2020-07-29 01:27:03,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:27:03,371 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 [2020-07-29 01:27:03,517 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:27:03,519 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:27:03,520 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:27:03,520 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:27:03,520 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:27:03,520 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:27:03,520 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,520 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:27:03,520 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:27:03,521 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-2.c_Iteration1_Loop [2020-07-29 01:27:03,521 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:27:03,521 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:27:03,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:27:03,672 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:27:03,677 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) [2020-07-29 01:27:03,683 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:27:03,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:27:03,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:27:03,698 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:27:03,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:27:03,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:27:03,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:27:03,747 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,788 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:27:03,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,790 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:27:03,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:27:03,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:27:03,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:27:03,796 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-07-29 01:27:03,822 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 [2020-07-29 01:27:03,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:27:03,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,831 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:27:03,840 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:27:03,842 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:27:03,849 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 [2020-07-29 01:27:03,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:27:03,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,885 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:27:03,889 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2020-07-29 01:27:03,890 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2020-07-29 01:27:03,898 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 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 [2020-07-29 01:27:03,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-07-29 01:27:03,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:27:03,934 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:27:03,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:27:03,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:27:03,935 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-07-29 01:27:03,937 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-07-29 01:27:03,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:27:03,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:27:03,973 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2020-07-29 01:27:03,973 INFO L444 ModelExtractionUtils]: 1 out of 7 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 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:27:03,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:27:03,984 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-07-29 01:27:03,984 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:27:03,985 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~c~0 + 3 f1 = 2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~c~0 + 1 Supporting invariants [] [2020-07-29 01:27:04,041 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-07-29 01:27:04,049 INFO L393 LassoCheck]: Loop: "assume !!(main_~x~0 + main_~c~0 >= 0);main_~x~0 := main_~x~0 - main_~c~0;main_~c~0 := 1 + main_~c~0;" [2020-07-29 01:27:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:27:04,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:27:04,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:27:04,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-29 01:27:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:27:04,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:27:04,137 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#unseeded} havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~c~0, main_~x~0;havoc main_~c~0;havoc main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~c~0 := main_#t~nondet1;havoc main_#t~nondet1; {19#unseeded} is VALID [2020-07-29 01:27:04,138 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#unseeded} assume !!(-65535 <= main_~x~0 && main_~x~0 <= 65535); {19#unseeded} is VALID [2020-07-29 01:27:04,139 INFO L280 TraceCheckUtils]: 2: Hoare triple {19#unseeded} assume !!(-65535 <= main_~c~0 && main_~c~0 <= 65535); {19#unseeded} is VALID [2020-07-29 01:27:04,140 INFO L280 TraceCheckUtils]: 3: Hoare triple {19#unseeded} assume main_~c~0 >= 2; {19#unseeded} is VALID [2020-07-29 01:27:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:27:04,147 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-29 01:27:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:27:04,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:27:04,156 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#(and (>= oldRank1 (ite (> (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) 0) (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) (+ (* 2 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~c~0) 1))) (>= oldRank0 (ite (> (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) 0) 1 0)))} assume !!(main_~x~0 + main_~c~0 >= 0);main_~x~0 := main_~x~0 - main_~c~0;main_~c~0 := 1 + main_~c~0; {33#(or (and (> oldRank0 (ite (> (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) 0) 1 0)) (>= oldRank0 0)) (and (>= oldRank1 0) (> oldRank1 (ite (> (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) 0) (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) (+ (* 2 ULTIMATE.start_main_~x~0) (* 2 ULTIMATE.start_main_~c~0) 1))) (>= oldRank0 (ite (> (+ (* (- 2) ULTIMATE.start_main_~c~0) 3) 0) 1 0))) unseeded)} is VALID [2020-07-29 01:27:04,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:27:04,167 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:27:04,183 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:27:04,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:04,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:04,193 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-07-29 01:27:04,194 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2020-07-29 01:27:29,382 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 22 states and 27 transitions. Complement of second has 5 states. [2020-07-29 01:27:29,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:27:29,383 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:27:29,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:27:29,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:29,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:29,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:29,387 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:27:29,391 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:27:29,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:27:29,391 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:27:29,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2020-07-29 01:27:29,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:27:29,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:27:29,395 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states. [2020-07-29 01:27:29,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:27:29,398 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:27:29,398 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:27:29,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:27:29,401 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:27:29,402 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:27:29,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:27:29,402 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:27:29,403 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:27:29,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,404 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,404 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,406 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:27:29,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:27:29,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 22 letters. Loop has 22 letters. [2020-07-29 01:27:29,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:27:29,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:27:29,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:27:29,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:27:29,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:27:29,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:27:29,411 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,411 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,412 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,412 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,413 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:27:29,413 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:27:29,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,414 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 2 letters. Loop has 1 letters. [2020-07-29 01:27:29,414 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,415 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 22 states and 27 transitions. cyclomatic complexity: 6 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:27:29,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,416 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:27:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:27:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2020-07-29 01:27:29,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:27:29,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:27:29,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:27:29,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:27:29,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 27 transitions. cyclomatic complexity: 6 [2020-07-29 01:27:29,427 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:27:29,430 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2020-07-29 01:27:29,431 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:27:29,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:27:29,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:27:29,432 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:27:29,433 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:27:29,433 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:27:29,433 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:27:29,433 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:27:29,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:27:29,434 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:27:29,434 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:27:29,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:27:29 BoogieIcfgContainer [2020-07-29 01:27:29,442 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:27:29,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:27:29,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:27:29,443 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:27:29,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:27:02" (3/4) ... [2020-07-29 01:27:29,447 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:27:29,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:27:29,451 INFO L168 Benchmark]: Toolchain (without parser) took 27638.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 962.9 MB in the beginning and 975.1 MB in the end (delta: -12.2 MB). Peak memory consumption was 154.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:27:29,451 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:27:29,452 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:27:29,453 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -202.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:27:29,454 INFO L168 Benchmark]: Boogie Preprocessor took 23.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:27:29,455 INFO L168 Benchmark]: RCFGBuilder took 291.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:27:29,456 INFO L168 Benchmark]: BuchiAutomizer took 26878.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 161.1 MB). Peak memory consumption was 161.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:27:29,456 INFO L168 Benchmark]: Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 975.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:27:29,461 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.65 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 952.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 129.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.7 MB). Free memory was 952.2 MB in the beginning and 1.2 GB in the end (delta: -202.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 291.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 26878.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.1 MB in the end (delta: 161.1 MB). Peak memory consumption was 161.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 ms. Allocated memory is still 1.2 GB. Free memory is still 975.1 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 2-nested ranking function (if -2 * c + 3 > 0 then 1 else 0), (if -2 * c + 3 > 0 then -2 * c + 3 else 2 * x + 2 * c + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 26.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 25.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 14 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf93 lsp58 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf93 smp100 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 26ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...