./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum01_bug02_sum01_bug02_base.case_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_bug02_sum01_bug02_base.case_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 1b149b3cef099476d14a8b122afb66552d0406eb ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 22:58:55,218 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 22:58:55,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 22:58:55,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 22:58:55,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 22:58:55,242 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 22:58:55,243 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 22:58:55,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 22:58:55,255 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 22:58:55,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 22:58:55,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 22:58:55,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 22:58:55,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 22:58:55,262 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 22:58:55,263 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 22:58:55,267 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 22:58:55,268 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 22:58:55,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 22:58:55,281 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 22:58:55,286 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 22:58:55,290 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 22:58:55,293 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 22:58:55,295 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 22:58:55,297 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 22:58:55,297 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 22:58:55,299 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 22:58:55,299 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 22:58:55,302 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 22:58:55,303 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 22:58:55,304 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 22:58:55,304 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 22:58:55,307 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 22:58:55,307 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 22:58:55,309 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 22:58:55,311 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 22:58:55,311 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 22:58:55,312 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 22:58:55,349 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 22:58:55,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 22:58:55,352 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 22:58:55,352 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 22:58:55,353 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 22:58:55,353 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 22:58:55,353 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 22:58:55,353 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 22:58:55,353 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 22:58:55,353 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 22:58:55,355 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 22:58:55,355 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 22:58:55,355 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 22:58:55,355 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 22:58:55,355 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 22:58:55,356 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 22:58:55,357 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 22:58:55,357 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 22:58:55,357 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 22:58:55,357 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 22:58:55,357 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 22:58:55,359 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 22:58:55,359 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 22:58:55,360 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 22:58:55,360 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 22:58:55,360 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 22:58:55,361 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 22:58:55,362 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 -> 1b149b3cef099476d14a8b122afb66552d0406eb [2019-01-01 22:58:55,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 22:58:55,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 22:58:55,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 22:58:55,453 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 22:58:55,453 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 22:58:55,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2019-01-01 22:58:55,516 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da285626/91e1bf9feac6479b912adcdd56c0d2bd/FLAGe41de3869 [2019-01-01 22:58:56,033 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 22:58:56,034 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2019-01-01 22:58:56,042 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da285626/91e1bf9feac6479b912adcdd56c0d2bd/FLAGe41de3869 [2019-01-01 22:58:56,379 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5da285626/91e1bf9feac6479b912adcdd56c0d2bd [2019-01-01 22:58:56,384 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 22:58:56,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 22:58:56,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 22:58:56,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 22:58:56,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 22:58:56,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7ece5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56, skipping insertion in model container [2019-01-01 22:58:56,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 22:58:56,432 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 22:58:56,691 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:58:56,700 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 22:58:56,722 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 22:58:56,743 INFO L195 MainTranslator]: Completed translation [2019-01-01 22:58:56,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56 WrapperNode [2019-01-01 22:58:56,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 22:58:56,744 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 22:58:56,744 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 22:58:56,745 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 22:58:56,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 22:58:56,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 22:58:56,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 22:58:56,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 22:58:56,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (1/1) ... [2019-01-01 22:58:56,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 22:58:56,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 22:58:56,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 22:58:56,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 22:58:56,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (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 22:58:56,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 22:58:56,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 22:58:57,153 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 22:58:57,154 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-01 22:58:57,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:58:57 BoogieIcfgContainer [2019-01-01 22:58:57,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 22:58:57,155 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 22:58:57,155 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 22:58:57,159 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 22:58:57,160 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:58:57,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 10:58:56" (1/3) ... [2019-01-01 22:58:57,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@559172cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:58:57, skipping insertion in model container [2019-01-01 22:58:57,161 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:58:57,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 10:58:56" (2/3) ... [2019-01-01 22:58:57,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@559172cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 10:58:57, skipping insertion in model container [2019-01-01 22:58:57,162 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 22:58:57,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:58:57" (3/3) ... [2019-01-01 22:58:57,164 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i [2019-01-01 22:58:57,296 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 22:58:57,297 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 22:58:57,297 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 22:58:57,297 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 22:58:57,299 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 22:58:57,299 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 22:58:57,299 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 22:58:57,299 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 22:58:57,299 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 22:58:57,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:58:57,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:58:57,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:58:57,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:58:57,364 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 22:58:57,364 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:58:57,364 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 22:58:57,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-01 22:58:57,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:58:57,366 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:58:57,366 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:58:57,366 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 22:58:57,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:58:57,383 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 4#L13-3true [2019-01-01 22:58:57,384 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 3#L15true assume 4 == main_~i~0;main_~sn~0 := -10; 7#L13-2true main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 4#L13-3true [2019-01-01 22:58:57,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:57,391 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 22:58:57,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:57,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:57,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:57,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:57,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:57,518 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-01-01 22:58:57,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:57,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:57,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:57,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:57,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:57,532 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-01-01 22:58:57,532 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:57,533 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:57,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:57,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:58:57,634 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 22:58:57,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 22:58:57,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-01 22:58:57,739 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:58:57,740 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:58:57,741 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:58:57,741 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:58:57,741 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:58:57,741 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:57,741 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:58:57,742 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:58:57,742 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:58:57,742 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:58:57,742 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:58:57,766 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 22:58:57,787 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 22:58:57,816 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 22:58:57,951 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:58:57,952 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:57,960 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:58:57,960 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:58:57,974 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:58:57,974 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=-10} Honda state: {ULTIMATE.start_main_~sn~0=-10} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:57,997 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:58:57,997 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 22:58:58,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:58:58,037 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:58,060 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:58:58,081 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:58:58,081 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:58:58,081 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:58:58,081 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:58:58,081 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:58:58,082 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:58,082 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:58:58,082 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:58:58,082 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-01 22:58:58,082 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:58:58,082 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:58:58,085 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 22:58:58,123 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 22:58:58,234 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 22:58:58,473 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:58:58,478 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:58:58,480 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 22:58:58,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:58:58,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:58:58,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:58:58,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:58:58,484 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:58:58,486 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:58:58,487 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:58:58,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:58:58,493 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 22:58:58,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:58:58,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:58:58,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:58:58,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:58:58,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:58:58,496 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:58:58,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:58:58,505 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:58:58,514 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 22:58:58,515 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 22:58:58,517 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:58:58,517 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 22:58:58,518 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:58:58,518 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 9 Supporting invariants [] [2019-01-01 22:58:58,520 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 22:58:58,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:58:58,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:58:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:58:58,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:58:58,650 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 22:58:58,666 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 22:58:58,668 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-01-01 22:58:58,744 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 22:58:58,749 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 22:58:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 22:58:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-01-01 22:58:58,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-01 22:58:58,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:58:58,755 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-01 22:58:58,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:58:58,756 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-01 22:58:58,756 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:58:58,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-01-01 22:58:58,761 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:58:58,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-01-01 22:58:58,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-01-01 22:58:58,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-01-01 22:58:58,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-01-01 22:58:58,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 22:58:58,769 INFO L705 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-01 22:58:58,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-01-01 22:58:58,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-01 22:58:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-01 22:58:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-01-01 22:58:58,801 INFO L728 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-01 22:58:58,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 22:58:58,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 22:58:58,806 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. Second operand 3 states. [2019-01-01 22:58:58,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 22:58:58,893 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2019-01-01 22:58:58,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 22:58:58,895 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2019-01-01 22:58:58,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:58:58,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2019-01-01 22:58:58,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2019-01-01 22:58:58,900 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2019-01-01 22:58:58,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2019-01-01 22:58:58,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 22:58:58,901 INFO L705 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2019-01-01 22:58:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2019-01-01 22:58:58,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2019-01-01 22:58:58,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2019-01-01 22:58:58,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2019-01-01 22:58:58,906 INFO L728 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-01 22:58:58,906 INFO L608 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-01 22:58:58,907 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 22:58:58,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2019-01-01 22:58:58,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-01 22:58:58,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 22:58:58,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 22:58:58,908 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-01 22:58:58,908 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-01 22:58:58,909 INFO L794 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~i~0, main_~n~0, main_~sn~0;havoc main_~i~0;main_~n~0 := (if main_#t~nondet0 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet0 % 4294967296 % 4294967296 else main_#t~nondet0 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet0;main_~sn~0 := 0;main_~i~0 := 1; 113#L13-3 assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 105#L15 [2019-01-01 22:58:58,909 INFO L796 eck$LassoCheckResult]: Loop: 105#L15 assume !(4 == main_~i~0); 106#L13-2 main_#t~post1 := main_~i~0;main_~i~0 := 1 + main_#t~post1;havoc main_#t~post1; 109#L13-3 assume !!(main_~i~0 <= main_~n~0);main_~sn~0 := 2 + main_~sn~0; 105#L15 [2019-01-01 22:58:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:58,909 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-01-01 22:58:58,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:58,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:58,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:58,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:58,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-01-01 22:58:58,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:58,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:58,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:58,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:58,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:58:58,967 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-01-01 22:58:58,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 22:58:58,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 22:58:58,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 22:58:58,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 22:58:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 22:58:59,016 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:58:59,016 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:58:59,016 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:58:59,017 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:58:59,017 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 22:58:59,017 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:59,017 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:58:59,018 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:58:59,018 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-01 22:58:59,018 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:58:59,018 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:58:59,020 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 22:58:59,027 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 22:58:59,030 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 22:58:59,144 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:58:59,144 INFO L412 LassoAnalysis]: Checking for nontermination... 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 22:58:59,148 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:58:59,148 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 22:58:59,174 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:58:59,175 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:58:59,197 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:58:59,198 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 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 22:58:59,219 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:58:59,219 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:58:59,223 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 22:58:59,223 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 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 22:58:59,245 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 22:58:59,246 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:59,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 22:58:59,272 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 22:58:59,384 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 22:58:59,387 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 22:58:59,387 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 22:58:59,387 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 22:58:59,387 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 22:58:59,388 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 22:58:59,388 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 22:58:59,388 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 22:58:59,388 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 22:58:59,388 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum01_bug02_sum01_bug02_base.case_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-01 22:58:59,388 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 22:58:59,389 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 22:58:59,391 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 22:58:59,431 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 22:58:59,441 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 22:58:59,711 WARN L181 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 22:59:00,021 WARN L181 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 22:59:00,023 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 22:59:00,024 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 22:59:00,024 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 22:59:00,027 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:00,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:00,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:00,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:00,028 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:00,029 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:00,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:00,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:00,046 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 22:59:00,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:00,046 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:00,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:00,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 22:59:00,050 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:00,051 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 22:59:00,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:00,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 22:59:00,056 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 22:59:00,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 22:59:00,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 22:59:00,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 22:59:00,057 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 22:59:00,057 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 22:59:00,059 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 22:59:00,059 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 22:59:00,075 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 22:59:00,086 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 22:59:00,086 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-01 22:59:00,087 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 22:59:00,087 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 22:59:00,087 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 22:59:00,087 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 22:59:00,088 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 22:59:00,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 22:59:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:00,155 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 22:59:00,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 22:59:00,293 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 22:59:00,294 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 22:59:00,294 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-01-01 22:59:00,406 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 18 states and 23 transitions. Complement of second has 6 states. [2019-01-01 22:59:00,406 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 22:59:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 22:59:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-01-01 22:59:00,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-01 22:59:00,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:00,407 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-01 22:59:00,407 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:00,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-01 22:59:00,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 22:59:00,408 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2019-01-01 22:59:00,409 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:00,410 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-01-01 22:59:00,410 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 22:59:00,410 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 22:59:00,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 22:59:00,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 22:59:00,410 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:00,411 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:00,411 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 22:59:00,411 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 22:59:00,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 22:59:00,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 22:59:00,411 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 22:59:00,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 10:59:00 BoogieIcfgContainer [2019-01-01 22:59:00,419 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 22:59:00,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 22:59:00,420 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 22:59:00,420 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 22:59:00,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 10:58:57" (3/4) ... [2019-01-01 22:59:00,425 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 22:59:00,425 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 22:59:00,426 INFO L168 Benchmark]: Toolchain (without parser) took 4041.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 948.7 MB in the beginning and 973.7 MB in the end (delta: -25.0 MB). Peak memory consumption was 109.2 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:00,428 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 22:59:00,428 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.04 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:00,429 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.48 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:00,430 INFO L168 Benchmark]: Boogie Preprocessor took 31.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:00,431 INFO L168 Benchmark]: RCFGBuilder took 337.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:00,432 INFO L168 Benchmark]: BuchiAutomizer took 3264.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 136.6 MB). Peak memory consumption was 136.6 MB. Max. memory is 11.5 GB. [2019-01-01 22:59:00,433 INFO L168 Benchmark]: Witness Printer took 5.40 ms. Allocated memory is still 1.2 GB. Free memory is still 973.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 22:59:00,438 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 356.04 ms. Allocated memory is still 1.0 GB. Free memory was 948.7 MB in the beginning and 937.9 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 41.48 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.04 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3264.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.7 MB in the end (delta: 136.6 MB). Peak memory consumption was 136.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.40 ms. Allocated memory is still 1.2 GB. Free memory is still 973.7 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 + 9 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 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 12 SDslu, 10 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf106 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq174 hnf93 smp100 dnf132 smp100 tf107 neg97 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 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...