./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum01_bug02_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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_bug02_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 c5465a084053aead702161d951dd339bfa1665d5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:41:58,559 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:41:58,562 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:41:58,579 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:41:58,580 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:41:58,582 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:41:58,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:41:58,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:41:58,589 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:41:58,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:41:58,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:41:58,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:41:58,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:41:58,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:41:58,606 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:41:58,610 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:41:58,611 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:41:58,614 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:41:58,620 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:41:58,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:41:58,623 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:41:58,624 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:41:58,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:41:58,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:41:58,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:41:58,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:41:58,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:41:58,630 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:41:58,631 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:41:58,632 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:41:58,632 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:41:58,633 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:41:58,633 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:41:58,633 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:41:58,634 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:41:58,636 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:41:58,636 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:41:58,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:41:58,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:41:58,654 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:41:58,654 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:41:58,654 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:41:58,654 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:41:58,655 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:41:58,655 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:41:58,655 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:41:58,655 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:41:58,655 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:41:58,655 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:41:58,656 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:41:58,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:41:58,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:41:58,658 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:41:58,658 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:41:58,659 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:41:58,659 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:41:58,659 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:41:58,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:41:58,659 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:41:58,659 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:41:58,661 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:41:58,661 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:41:58,661 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:41:58,662 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:41:58,662 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 -> c5465a084053aead702161d951dd339bfa1665d5 [2018-11-28 23:41:58,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:41:58,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:41:58,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:41:58,732 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:41:58,732 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:41:58,733 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 23:41:58,786 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b066740/648be33fabf845ef95fbeeef2c8d8e54/FLAG6a6315dd1 [2018-11-28 23:41:59,238 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:41:59,239 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 23:41:59,247 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b066740/648be33fabf845ef95fbeeef2c8d8e54/FLAG6a6315dd1 [2018-11-28 23:41:59,581 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9b066740/648be33fabf845ef95fbeeef2c8d8e54 [2018-11-28 23:41:59,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:41:59,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:41:59,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:41:59,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:41:59,590 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:41:59,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b94ef99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59, skipping insertion in model container [2018-11-28 23:41:59,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:41:59,621 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:41:59,841 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:41:59,846 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:41:59,865 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:41:59,884 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:41:59,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59 WrapperNode [2018-11-28 23:41:59,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:41:59,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:41:59,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:41:59,887 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:41:59,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:41:59,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:41:59,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:41:59,934 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:41:59,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (1/1) ... [2018-11-28 23:41:59,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:41:59,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:41:59,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:41:59,973 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:41:59,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (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 [2018-11-28 23:42:00,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:42:00,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:42:00,416 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:42:00,416 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:42:00,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:00 BoogieIcfgContainer [2018-11-28 23:42:00,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:42:00,418 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:42:00,418 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:42:00,422 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:42:00,423 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:00,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:41:59" (1/3) ... [2018-11-28 23:42:00,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219c46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:00, skipping insertion in model container [2018-11-28 23:42:00,424 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:00,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:41:59" (2/3) ... [2018-11-28 23:42:00,425 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@219c46e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:00, skipping insertion in model container [2018-11-28 23:42:00,425 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:00,425 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:00" (3/3) ... [2018-11-28 23:42:00,427 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_false-unreach-call_true-termination.i [2018-11-28 23:42:00,496 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:42:00,497 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:42:00,497 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:42:00,497 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:42:00,497 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:42:00,497 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:42:00,498 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:42:00,498 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:42:00,498 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:42:00,515 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:42:00,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:42:00,544 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:00,545 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:00,552 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:00,552 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 23:42:00,552 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:42:00,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:42:00,553 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:42:00,554 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:00,554 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:00,554 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:42:00,555 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 23:42:00,562 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2018-11-28 23:42:00,562 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= main_~n~0); 11#L14true assume main_~i~0 < main_~j~0;main_~sn~0 := 2 + main_~sn~0; 7#L14-2true main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 6#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 3#L13-3true [2018-11-28 23:42:00,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:00,568 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:42:00,570 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:00,571 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:00,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:00,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:00,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1203686, now seen corresponding path program 1 times [2018-11-28 23:42:00,690 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:00,690 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:00,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:00,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:00,706 INFO L82 PathProgramCache]: Analyzing trace with hash 29832837, now seen corresponding path program 1 times [2018-11-28 23:42:00,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:00,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:00,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:00,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:00,860 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:42:00,959 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:00,960 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:00,961 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:00,961 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:00,961 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:42:00,961 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:00,961 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:00,962 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:00,963 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 23:42:00,963 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:00,963 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:00,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,305 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:01,306 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) [2018-11-28 23:42:01,320 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:01,320 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) [2018-11-28 23:42:01,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:42:01,367 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:01,394 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:42:01,395 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 [2018-11-28 23:42:01,429 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:01,429 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 [2018-11-28 23:42:01,456 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:42:01,457 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:42:01,554 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:42:01,556 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:01,556 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:01,556 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:01,557 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:01,557 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:42:01,557 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:01,557 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:01,557 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:01,557 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration1_Loop [2018-11-28 23:42:01,560 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:01,560 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:01,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:01,804 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:01,810 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:42:01,812 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 [2018-11-28 23:42:01,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:01,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:01,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:01,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:01,816 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:01,818 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:01,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:01,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:01,828 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 [2018-11-28 23:42:01,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:01,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:01,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:01,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:01,829 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:01,831 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:01,831 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:01,842 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:42:01,851 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:42:01,851 INFO L444 ModelExtractionUtils]: 2 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:42:01,853 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:42:01,853 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:42:01,854 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:42:01,854 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2018-11-28 23:42:01,856 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:42:01,920 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:01,935 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:01,949 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:02,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:42:02,121 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-11-28 23:42:02,123 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2018-11-28 23:42:02,205 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 34 states and 44 transitions. Complement of second has 7 states. [2018-11-28 23:42:02,206 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 [2018-11-28 23:42:02,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 23:42:02,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2018-11-28 23:42:02,210 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 4 letters. [2018-11-28 23:42:02,211 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:02,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 23:42:02,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:02,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 1 letters. Loop has 8 letters. [2018-11-28 23:42:02,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:02,214 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 44 transitions. [2018-11-28 23:42:02,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:42:02,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 14 states and 17 transitions. [2018-11-28 23:42:02,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-28 23:42:02,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2018-11-28 23:42:02,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2018-11-28 23:42:02,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:42:02,225 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2018-11-28 23:42:02,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2018-11-28 23:42:02,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2018-11-28 23:42:02,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-11-28 23:42:02,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2018-11-28 23:42:02,253 INFO L728 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 23:42:02,253 INFO L608 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2018-11-28 23:42:02,253 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:42:02,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2018-11-28 23:42:02,254 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-28 23:42:02,254 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:02,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:02,255 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:42:02,255 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 23:42:02,255 INFO L794 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post2, main_#t~post1, main_~i~0, main_~j~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~j~0 := 10;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 93#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2018-11-28 23:42:02,255 INFO L796 eck$LassoCheckResult]: Loop: 89#L14 assume !(main_~i~0 < main_~j~0); 96#L14-2 main_#t~post2 := main_~j~0;main_~j~0 := main_#t~post2 - 1;havoc main_#t~post2; 94#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 88#L13-3 assume !!(main_~i~0 <= main_~n~0); 89#L14 [2018-11-28 23:42:02,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:02,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2018-11-28 23:42:02,256 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:02,256 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:02,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:02,257 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:02,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:02,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1356538, now seen corresponding path program 1 times [2018-11-28 23:42:02,271 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:02,271 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:02,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:02,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:02,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:02,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:02,279 INFO L82 PathProgramCache]: Analyzing trace with hash 924877538, now seen corresponding path program 1 times [2018-11-28 23:42:02,279 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:02,279 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:02,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:02,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:02,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:42:02,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:42:02,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 23:42:02,435 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:02,435 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:02,435 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:02,435 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:02,435 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:42:02,436 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:02,436 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:02,436 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:02,436 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 23:42:02,437 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:02,437 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:02,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:02,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:02,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:02,551 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:02,551 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 [2018-11-28 23:42:02,561 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:02,562 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:42:02,564 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:42:02,565 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=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 [2018-11-28 23:42:02,612 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:42:02,612 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 [2018-11-28 23:42:02,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:42:02,661 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:42:02,974 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:42:02,977 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:02,977 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:02,977 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:02,977 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:02,977 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:42:02,978 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:02,978 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:02,978 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:02,978 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_false-unreach-call_true-termination.i_Iteration2_Loop [2018-11-28 23:42:02,978 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:02,978 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:02,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:02,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:03,119 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-28 23:42:03,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:03,363 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-11-28 23:42:03,454 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:03,455 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:42:03,455 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 [2018-11-28 23:42:03,456 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:03,456 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:03,458 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:03,458 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:03,458 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:03,459 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:03,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:03,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:03,463 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 [2018-11-28 23:42:03,463 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:03,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:03,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:03,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:03,464 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:03,467 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:03,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:03,475 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:42:03,484 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-11-28 23:42:03,485 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:42:03,485 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:42:03,485 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:42:03,486 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:42:03,486 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 [] [2018-11-28 23:42:03,486 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:42:03,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:03,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:03,563 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:03,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:42:03,608 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 [2018-11-28 23:42:03,608 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand 4 states. [2018-11-28 23:42:03,662 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 22 states and 28 transitions. Complement of second has 6 states. [2018-11-28 23:42:03,663 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 [2018-11-28 23:42:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:42:03,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 7 transitions. [2018-11-28 23:42:03,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 23:42:03,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:03,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-28 23:42:03,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:03,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 7 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-28 23:42:03,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:03,665 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2018-11-28 23:42:03,667 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:42:03,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2018-11-28 23:42:03,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:42:03,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:42:03,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:42:03,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:42:03,668 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:03,668 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:03,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:42:03,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:42:03,672 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-28 23:42:03,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:42:03,674 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:42:03,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:42:03,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:42:03,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:42:03,675 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:42:03,675 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:42:03,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:42:03,675 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:42:03,675 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:42:03,676 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:03,676 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:03,676 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:03,676 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:42:03,676 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:42:03,676 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:42:03,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:42:03,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:42:03 BoogieIcfgContainer [2018-11-28 23:42:03,683 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:42:03,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:42:03,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:42:03,684 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:42:03,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:00" (3/4) ... [2018-11-28 23:42:03,688 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:42:03,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:42:03,689 INFO L168 Benchmark]: Toolchain (without parser) took 4104.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.3 MB in the beginning and 962.5 MB in the end (delta: -11.2 MB). Peak memory consumption was 121.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:03,690 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. [2018-11-28 23:42:03,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.68 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. [2018-11-28 23:42:03,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.52 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. [2018-11-28 23:42:03,692 INFO L168 Benchmark]: Boogie Preprocessor took 38.62 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. [2018-11-28 23:42:03,694 INFO L168 Benchmark]: RCFGBuilder took 444.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:03,695 INFO L168 Benchmark]: BuchiAutomizer took 3265.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 143.6 MB). Peak memory consumption was 143.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:03,696 INFO L168 Benchmark]: Witness Printer took 4.73 ms. Allocated memory is still 1.2 GB. Free memory is still 962.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:42:03,704 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 299.68 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 46.52 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 38.62 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 444.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -165.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3265.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.5 MB in the end (delta: 143.6 MB). Peak memory consumption was 143.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.73 ms. Allocated memory is still 1.2 GB. Free memory is still 962.5 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 j + -1 * i 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 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 12 SDslu, 12 SDs, 0 SdLazy, 26 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf97 lsp89 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...