./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.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 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:34:27,480 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:34:27,482 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:34:27,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:34:27,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:34:27,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:34:27,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:34:27,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:34:27,512 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:34:27,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:34:27,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:34:27,515 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:34:27,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:34:27,517 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:34:27,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:34:27,519 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:34:27,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:34:27,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:34:27,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:34:27,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:34:27,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:34:27,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:34:27,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:34:27,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:34:27,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:34:27,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:34:27,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:34:27,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:34:27,540 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:34:27,541 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:34:27,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:34:27,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:34:27,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:34:27,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:34:27,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:34:27,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:34:27,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:34:27,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:34:27,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:34:27,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:34:27,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:34:27,549 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:34:27,574 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:34:27,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:34:27,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:34:27,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:34:27,576 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:34:27,576 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:34:27,577 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:34:27,577 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:34:27,577 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:34:27,577 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:34:27,578 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:34:27,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:34:27,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:34:27,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:34:27,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:34:27,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:34:27,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:34:27,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:34:27,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:34:27,580 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:34:27,580 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:34:27,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:34:27,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:34:27,581 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:34:27,581 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:34:27,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:34:27,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:34:27,582 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:34:27,582 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:34:27,583 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:34:27,583 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 -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2020-10-20 06:34:27,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:34:27,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:34:27,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:34:27,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:34:27,792 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:34:27,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2020-10-20 06:34:27,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7594f3f60/fa22a120b09f4c778b9ccf57bcab17ce/FLAGd88d6c54d [2020-10-20 06:34:28,282 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:34:28,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9.c [2020-10-20 06:34:28,289 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7594f3f60/fa22a120b09f4c778b9ccf57bcab17ce/FLAGd88d6c54d [2020-10-20 06:34:28,677 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7594f3f60/fa22a120b09f4c778b9ccf57bcab17ce [2020-10-20 06:34:28,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:34:28,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:34:28,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:28,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:34:28,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:34:28,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:28,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302401ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28, skipping insertion in model container [2020-10-20 06:34:28,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:28,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:34:28,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:34:28,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:28,961 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:34:28,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:28,984 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:34:28,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28 WrapperNode [2020-10-20 06:34:28,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:28,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:28,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:34:28,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:34:28,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:28,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:29,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:34:29,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:34:29,018 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:34:29,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (1/1) ... [2020-10-20 06:34:29,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:34:29,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:34:29,034 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:34:29,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:34:29,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (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 [2020-10-20 06:34:29,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:34:29,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:34:29,218 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:34:29,219 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:34:29,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:29 BoogieIcfgContainer [2020-10-20 06:34:29,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:34:29,221 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:34:29,222 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:34:29,225 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:34:29,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:29,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:34:28" (1/3) ... [2020-10-20 06:34:29,227 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f64074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:29, skipping insertion in model container [2020-10-20 06:34:29,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:29,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:28" (2/3) ... [2020-10-20 06:34:29,228 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57f64074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:29, skipping insertion in model container [2020-10-20 06:34:29,228 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:29,228 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:29" (3/3) ... [2020-10-20 06:34:29,230 INFO L373 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-WST2014-Ex9.c [2020-10-20 06:34:29,281 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:34:29,281 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:34:29,281 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:34:29,281 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:34:29,282 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:34:29,282 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:34:29,282 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:34:29,282 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:34:29,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:34:29,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:34:29,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:29,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:29,323 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:29,324 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:34:29,324 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:34:29,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:34:29,325 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:34:29,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:29,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:29,325 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:29,326 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:34:29,334 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L13-2true [2020-10-20 06:34:29,334 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 0);main_~x~0 := (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then 1 + main_~x~0 / 2 else main_~x~0 / 2); 6#L13-2true [2020-10-20 06:34:29,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:29,341 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:34:29,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:29,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068755539] [2020-10-20 06:34:29,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,425 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,442 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:29,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:29,444 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-20 06:34:29,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:29,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292373241] [2020-10-20 06:34:29,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,465 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,472 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,473 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:29,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:29,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-20 06:34:29,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:29,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138093142] [2020-10-20 06:34:29,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,483 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:29,491 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:29,493 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:29,607 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:29,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:29,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:29,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:29,609 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:29,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:29,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:29,610 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2020-10-20 06:34:29,610 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:29,611 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:29,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,714 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:29,715 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,722 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:29,723 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:29,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:29,771 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 [2020-10-20 06:34:29,814 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:29,815 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:29,815 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:29,815 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:29,816 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:29,816 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:29,816 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,816 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:29,816 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:29,816 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9.c_Iteration1_Loop [2020-10-20 06:34:29,816 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:29,816 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:29,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:34:29,862 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:29,867 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,884 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 [2020-10-20 06:34:29,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:29,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:29,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:29,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:29,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:29,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:29,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:29,896 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:34:29,905 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:34:29,905 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:29,926 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:34:29,926 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:34:29,927 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:34:29,928 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-10-20 06:34:29,959 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:34:29,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:29,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:34:29,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:30,005 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:34:30,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:30,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:34:30,022 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 [2020-10-20 06:34:30,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-10-20 06:34:30,059 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-10-20 06:34:30,059 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 [2020-10-20 06:34:30,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:34:30,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-20 06:34:30,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-10-20 06:34:30,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:30,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-10-20 06:34:30,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:30,065 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-20 06:34:30,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:30,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-10-20 06:34:30,068 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:30,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-20 06:34:30,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:34:30,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:34:30,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:34:30,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:34:30,074 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:30,074 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:30,074 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:30,074 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:34:30,074 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:34:30,075 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:30,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:34:30,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:34:30 BoogieIcfgContainer [2020-10-20 06:34:30,081 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:34:30,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:34:30,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:34:30,082 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:34:30,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:29" (3/4) ... [2020-10-20 06:34:30,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:34:30,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:34:30,089 INFO L168 Benchmark]: Toolchain (without parser) took 1405.46 ms. Allocated memory was 34.6 MB in the beginning and 48.2 MB in the end (delta: 13.6 MB). Free memory was 6.6 MB in the beginning and 20.8 MB in the end (delta: -14.2 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:34:30,090 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 34.6 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,091 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.77 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 19.0 MB in the beginning and 28.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 45.1 MB. Free memory was 28.7 MB in the beginning and 27.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,093 INFO L168 Benchmark]: Boogie Preprocessor took 15.91 ms. Allocated memory is still 45.1 MB. Free memory was 27.2 MB in the beginning and 26.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,094 INFO L168 Benchmark]: RCFGBuilder took 187.35 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 18.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,095 INFO L168 Benchmark]: BuchiAutomizer took 860.10 ms. Allocated memory was 45.1 MB in the beginning and 48.2 MB in the end (delta: 3.1 MB). Free memory was 17.9 MB in the beginning and 21.1 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:34:30,096 INFO L168 Benchmark]: Witness Printer took 4.69 ms. Allocated memory is still 48.2 MB. Free memory was 21.1 MB in the beginning and 20.8 MB in the end (delta: 317.6 kB). Peak memory consumption was 317.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:30,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 34.6 MB. Free memory was 11.7 MB in the beginning and 11.6 MB in the end (delta: 47.4 kB). Peak memory consumption was 47.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 283.77 ms. Allocated memory was 37.2 MB in the beginning and 45.1 MB in the end (delta: 7.9 MB). Free memory was 19.0 MB in the beginning and 28.8 MB in the end (delta: -9.8 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 45.1 MB. Free memory was 28.7 MB in the beginning and 27.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 15.91 ms. Allocated memory is still 45.1 MB. Free memory was 27.2 MB in the beginning and 26.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 187.35 ms. Allocated memory is still 45.1 MB. Free memory was 26.2 MB in the beginning and 18.1 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 860.10 ms. Allocated memory was 45.1 MB in the beginning and 48.2 MB in the end (delta: 3.1 MB). Free memory was 17.9 MB in the beginning and 21.1 MB in the end (delta: -3.2 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 4.69 ms. Allocated memory is still 48.2 MB. Free memory was 21.1 MB in the beginning and 20.8 MB in the end (delta: 317.6 kB). Peak memory consumption was 317.6 kB. Max. memory is 14.3 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 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: inital10 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div450 bol100 ite100 ukn100 eq108 hnf46 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 58ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...