./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5cba8acfa381c990ec40e4bf9e5d202ee845a576 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 22:58:59,358 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 22:58:59,362 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 22:58:59,379 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 22:58:59,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 22:58:59,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 22:58:59,383 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 22:58:59,385 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 22:58:59,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 22:58:59,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 22:58:59,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 22:58:59,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 22:58:59,393 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 22:58:59,393 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 22:58:59,396 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 22:58:59,404 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 22:58:59,405 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 22:58:59,409 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 22:58:59,412 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 22:58:59,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 22:58:59,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 22:58:59,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 22:58:59,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 22:58:59,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 22:58:59,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 22:58:59,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 22:58:59,428 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 22:58:59,431 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 22:58:59,432 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 22:58:59,433 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 22:58:59,433 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 22:58:59,434 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 22:58:59,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 22:58:59,436 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 22:58:59,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 22:58:59,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 22:58:59,438 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 22:58:59,465 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 22:58:59,466 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 22:58:59,467 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 22:58:59,467 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 22:58:59,467 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 22:58:59,470 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 22:58:59,470 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 22:58:59,470 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 22:58:59,470 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 22:58:59,470 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 22:58:59,471 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 22:58:59,471 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 22:58:59,471 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 22:58:59,471 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 22:58:59,471 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 22:58:59,471 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 22:58:59,472 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 22:58:59,476 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 22:58:59,476 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 22:58:59,477 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 22:58:59,477 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 22:58:59,477 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 22:58:59,477 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 22:58:59,477 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 22:58:59,478 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 22:58:59,481 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 22:58:59,482 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cba8acfa381c990ec40e4bf9e5d202ee845a576 [2019-01-01 22:58:59,545 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 22:58:59,561 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 22:58:59,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 22:58:59,568 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 22:58:59,569 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 22:58:59,569 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i [2019-01-01 22:58:59,627 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a75db0d/3b3045a746974c81a59f023afcbfc8b6/FLAG6986c33c2 [2019-01-01 22:59:00,039 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 22:59:00,039 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum01_false-unreach-call_true-termination.i [2019-01-01 22:59:00,045 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a75db0d/3b3045a746974c81a59f023afcbfc8b6/FLAG6986c33c2 [2019-01-01 22:59:00,413 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92a75db0d/3b3045a746974c81a59f023afcbfc8b6 [2019-01-01 22:59:00,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 22:59:00,418 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 22:59:00,419 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:00,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 22:59:00,423 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 22:59:00,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbc90c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00, skipping insertion in model container [2019-01-01 22:59:00,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,437 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 22:59:00,455 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 22:59:00,669 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:00,677 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 22:59:00,695 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:59:00,709 INFO L195 MainTranslator]: Completed translation [2019-01-01 22:59:00,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00 WrapperNode [2019-01-01 22:59:00,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 22:59:00,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:00,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 22:59:00,711 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 22:59:00,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 22:59:00,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 22:59:00,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 22:59:00,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 22:59:00,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,759 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... [2019-01-01 22:59:00,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 22:59:00,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 22:59:00,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 22:59:00,761 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 22:59:00,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:00,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 22:59:00,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 22:59:01,066 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 22:59:01,066 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 22:59:01,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01 BoogieIcfgContainer [2019-01-01 22:59:01,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 22:59:01,068 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 22:59:01,068 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 22:59:01,073 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 22:59:01,074 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,074 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 10:59:00" (1/3) ... [2019-01-01 22:59:01,075 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec65e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:01, skipping insertion in model container [2019-01-01 22:59:01,075 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,076 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:59:00" (2/3) ... [2019-01-01 22:59:01,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ec65e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:59:01, skipping insertion in model container [2019-01-01 22:59:01,077 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:59:01,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01" (3/3) ... [2019-01-01 22:59:01,080 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_false-unreach-call_true-termination.i [2019-01-01 22:59:01,146 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 22:59:01,147 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 22:59:01,147 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 22:59:01,148 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 22:59:01,148 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 22:59:01,148 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 22:59:01,148 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 22:59:01,149 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 22:59:01,149 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 22:59:01,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:01,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:59:01,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:01,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:01,197 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 22:59:01,197 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:59:01,197 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 22:59:01,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:59:01,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:59:01,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:01,199 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:01,199 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 22:59:01,199 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:59:01,207 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-01-01 22:59:01,207 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 10#L14true assume main_~i~0 < 10;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2019-01-01 22:59:01,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,214 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 22:59:01,216 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,330 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-01-01 22:59:01,330 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:01,343 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-01-01 22:59:01,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:01,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:01,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:01,346 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:01,580 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2019-01-01 22:59:01,595 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:01,596 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:01,596 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:01,596 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:01,597 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:59:01,597 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,597 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:01,597 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:01,597 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:59:01,598 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:01,598 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:01,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:01,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:01,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:01,784 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:01,785 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 22:59:01,799 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:01,800 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,826 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:01,826 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:01,852 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:01,852 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,876 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:01,877 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 22:59:01,903 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:01,904 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:01,950 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:59:01,954 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:01,955 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:01,955 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:01,955 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:01,955 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:59:01,955 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:01,955 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:01,955 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:01,956 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:59:01,956 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:01,956 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:01,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:02,322 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:02,328 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:59:02,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:02,331 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:02,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:02,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:02,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:02,333 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:02,335 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:02,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:02,346 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:02,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:02,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:02,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:02,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:02,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:02,355 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:02,356 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:02,356 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:02,368 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:59:02,376 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 22:59:02,376 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 22:59:02,378 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:59:02,378 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 22:59:02,379 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:59:02,379 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 19 Supporting invariants [] [2019-01-01 22:59:02,381 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 22:59:02,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:02,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:02,522 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:02,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 22:59:02,562 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 22:59:02,564 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-01-01 22:59:02,822 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2019-01-01 22:59:02,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 22:59:02,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 22:59:02,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-01-01 22:59:02,827 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-01 22:59:02,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:02,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-01 22:59:02,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:02,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-01 22:59:02,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:02,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-01-01 22:59:02,836 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:59:02,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-01-01 22:59:02,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-01-01 22:59:02,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-01-01 22:59:02,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-01-01 22:59:02,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 22:59:02,845 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-01 22:59:02,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-01-01 22:59:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-01 22:59:02,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-01 22:59:02,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-01-01 22:59:02,881 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-01 22:59:02,881 INFO L608 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-01 22:59:02,881 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 22:59:02,882 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-01-01 22:59:02,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:59:02,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:59:02,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:59:02,883 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:59:02,883 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:59:02,884 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-01-01 22:59:02,884 INFO L796 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 10); 86#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 80#L13-3 assume !!(main_~i~0 <= main_~n~0); 81#L14 [2019-01-01 22:59:02,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:02,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-01-01 22:59:02,884 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:02,884 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:02,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:02,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:02,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:02,900 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-01-01 22:59:02,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:02,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:02,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:02,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:59:02,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:02,911 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-01-01 22:59:02,911 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:59:02,911 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:59:02,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:59:02,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:59:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:02,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 22:59:02,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 22:59:02,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 22:59:03,009 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:03,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:03,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:03,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:03,009 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:59:03,010 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:03,010 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:03,011 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:03,011 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-01 22:59:03,011 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:03,011 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:03,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:03,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:03,102 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:03,102 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:03,105 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:03,106 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:03,109 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:59:03,109 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:03,131 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:59:03,131 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-01 22:59:03,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:59:03,156 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:59:03,209 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:59:03,211 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:59:03,211 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:59:03,211 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:59:03,212 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:59:03,212 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:59:03,212 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:59:03,212 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:59:03,212 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:59:03,212 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-01 22:59:03,213 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:59:03,213 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:59:03,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:03,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 22:59:03,280 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:03,280 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:59:03,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:03,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:03,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:03,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:03,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:03,284 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:03,286 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:03,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:03,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:03,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 22:59:03,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:03,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:03,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:03,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:03,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:03,291 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:03,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:03,299 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:59:03,306 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 22:59:03,306 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 22:59:03,307 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:59:03,307 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 22:59:03,307 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:59:03,307 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2019-01-01 22:59:03,308 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 22:59:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:03,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:03,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 22:59:03,558 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 22:59:03,558 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-01-01 22:59:03,676 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-01-01 22:59:03,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 22:59:03,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 22:59:03,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-01-01 22:59:03,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-01 22:59:03,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-01 22:59:03,679 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,679 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-01 22:59:03,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:03,680 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-01-01 22:59:03,681 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:03,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-01-01 22:59:03,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 22:59:03,682 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 22:59:03,682 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 22:59:03,682 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,682 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 22:59:03,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 22:59:03,687 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-01 22:59:03,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 22:59:03,689 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 22:59:03,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 22:59:03,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,690 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:03,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 22:59:03,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 22:59:03,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 22:59:03,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 22:59:03,691 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,691 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,691 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:03,691 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 22:59:03,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 22:59:03,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:03,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 22:59:03,698 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 10:59:03 BoogieIcfgContainer [2019-01-01 22:59:03,699 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 22:59:03,699 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 22:59:03,699 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 22:59:03,699 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 22:59:03,700 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:59:01" (3/4) ... [2019-01-01 22:59:03,704 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 22:59:03,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 22:59:03,705 INFO L168 Benchmark]: Toolchain (without parser) took 3287.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 951.3 MB in the beginning and 972.9 MB in the end (delta: -21.6 MB). Peak memory consumption was 107.9 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,706 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.13 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,708 INFO L168 Benchmark]: Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,709 INFO L168 Benchmark]: RCFGBuilder took 306.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,710 INFO L168 Benchmark]: BuchiAutomizer took 2630.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.9 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:03,711 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:03,716 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.00 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.13 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.49 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 306.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -158.8 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2630.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.9 MB in the end (delta: 126.5 MB). Peak memory consumption was 126.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 19 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * i and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf96 lsp86 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...