./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/for_bounded_loop1_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/for_bounded_loop1_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 0ab550a6e9aa370752671d7ad69781384c889e75 ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 03:39:45,992 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:39:45,994 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:39:46,013 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:39:46,015 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:39:46,017 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:39:46,019 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:39:46,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:39:46,026 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:39:46,028 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:39:46,031 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:39:46,032 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:39:46,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:39:46,036 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:39:46,038 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:39:46,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:39:46,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:39:46,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:39:46,052 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:39:46,056 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:39:46,058 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:39:46,059 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:39:46,065 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:39:46,066 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:39:46,066 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:39:46,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:39:46,069 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:39:46,071 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:39:46,072 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:39:46,076 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:39:46,076 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:39:46,077 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:39:46,077 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:39:46,078 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:39:46,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:39:46,082 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:39:46,084 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:39:46,114 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:39:46,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:39:46,116 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:39:46,118 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:39:46,118 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:39:46,118 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:39:46,118 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:39:46,119 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:39:46,119 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:39:46,120 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:39:46,120 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:39:46,120 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:39:46,120 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:39:46,120 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:39:46,121 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:39:46,121 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:39:46,122 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:39:46,123 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:39:46,125 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:39:46,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:39:46,126 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:39:46,126 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:39:46,126 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:39:46,127 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:39:46,127 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:39:46,127 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:39:46,129 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:39:46,129 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 -> 0ab550a6e9aa370752671d7ad69781384c889e75 [2019-01-14 03:39:46,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:39:46,208 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:39:46,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:39:46,213 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:39:46,214 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:39:46,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/for_bounded_loop1_false-unreach-call_true-termination.i [2019-01-14 03:39:46,273 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8759086/c306ea7464c747cf9a153547bec92bef/FLAG23e202bad [2019-01-14 03:39:46,711 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:39:46,712 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/for_bounded_loop1_false-unreach-call_true-termination.i [2019-01-14 03:39:46,717 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8759086/c306ea7464c747cf9a153547bec92bef/FLAG23e202bad [2019-01-14 03:39:47,096 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e8759086/c306ea7464c747cf9a153547bec92bef [2019-01-14 03:39:47,100 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:39:47,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:39:47,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:39:47,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:39:47,109 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:39:47,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bac3717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47, skipping insertion in model container [2019-01-14 03:39:47,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:39:47,149 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:39:47,393 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:39:47,400 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:39:47,421 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:39:47,442 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:39:47,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47 WrapperNode [2019-01-14 03:39:47,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:39:47,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:39:47,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:39:47,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:39:47,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,484 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:39:47,485 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:39:47,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:39:47,485 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:39:47,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (1/1) ... [2019-01-14 03:39:47,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:39:47,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:39:47,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:39:47,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:39:47,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (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 [2019-01-14 03:39:47,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:39:47,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:39:48,033 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:39:48,034 INFO L286 CfgBuilder]: Removed 11 assue(true) statements. [2019-01-14 03:39:48,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:48 BoogieIcfgContainer [2019-01-14 03:39:48,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:39:48,037 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:39:48,037 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:39:48,042 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:39:48,043 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:48,043 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:39:47" (1/3) ... [2019-01-14 03:39:48,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56d29228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:39:48, skipping insertion in model container [2019-01-14 03:39:48,045 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:48,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:39:47" (2/3) ... [2019-01-14 03:39:48,046 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@56d29228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:39:48, skipping insertion in model container [2019-01-14 03:39:48,046 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:39:48,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:48" (3/3) ... [2019-01-14 03:39:48,049 INFO L375 chiAutomizerObserver]: Analyzing ICFG for_bounded_loop1_false-unreach-call_true-termination.i [2019-01-14 03:39:48,114 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:39:48,115 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:39:48,115 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:39:48,115 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:39:48,116 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:39:48,116 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:39:48,116 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:39:48,116 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:39:48,116 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:39:48,132 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-01-14 03:39:48,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-01-14 03:39:48,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:39:48,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:39:48,164 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:39:48,165 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 03:39:48,165 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:39:48,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-01-14 03:39:48,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-01-14 03:39:48,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:39:48,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:39:48,168 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:39:48,168 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-14 03:39:48,177 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~nondet3, main_#t~post2, main_~i~0, main_~x~0, main_~y~0, main_~n~0;main_~i~0 := 0;main_~x~0 := 0;main_~y~0 := 0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L16true assume !!(main_~n~0 > 0);main_~i~0 := 0; 3#L17-2true [2019-01-14 03:39:48,177 INFO L796 eck$LassoCheckResult]: Loop: 3#L17-2true assume !!(main_~i~0 < main_~n~0);main_~x~0 := main_~x~0 - main_~y~0;__VERIFIER_assert_#in~cond := (if 0 == main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 16#L5-2true main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 12#L22true assume !!(0 != main_~y~0);main_~x~0 := main_~x~0 + main_~y~0;__VERIFIER_assert_#in~cond := (if 0 != main_~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 14#L5-3true assume !(0 == __VERIFIER_assert_~cond); 11#L5-5true main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2; 3#L17-2true [2019-01-14 03:39:48,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:48,184 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-01-14 03:39:48,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:48,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:48,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:48,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:48,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1308449745, now seen corresponding path program 1 times [2019-01-14 03:39:48,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:48,291 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:48,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:48,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:48,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1386356726, now seen corresponding path program 1 times [2019-01-14 03:39:48,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:39:48,326 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:39:48,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:39:48,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:39:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:39:48,612 WARN L181 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-01-14 03:39:48,950 WARN L181 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2019-01-14 03:39:48,978 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:39:48,980 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:39:48,982 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:39:48,983 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:39:48,983 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:39:48,983 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:39:48,983 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:39:48,983 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:39:48,984 INFO L131 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:39:48,984 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:39:48,984 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:39:49,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,313 WARN L181 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-14 03:39:49,356 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:39:49,357 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 [2019-01-14 03:39:49,363 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:39:49,363 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:39:49,378 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:39:49,378 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~x~0=-7, ULTIMATE.start_main_#t~nondet3=-7} Honda state: {ULTIMATE.start_main_~y~0=-7, ULTIMATE.start_main_~x~0=-7, ULTIMATE.start_main_#t~nondet3=-7} 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 [2019-01-14 03:39:49,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:39:49,413 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:39:49,441 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:39:49,441 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:39:49,558 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:39:49,560 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:39:49,560 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:39:49,560 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:39:49,560 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:39:49,561 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:39:49,561 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:39:49,561 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:39:49,561 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:39:49,561 INFO L131 ssoRankerPreferences]: Filename of dumped script: for_bounded_loop1_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:39:49,561 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:39:49,561 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:39:49,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:39:49,728 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2019-01-14 03:39:50,270 WARN L181 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-01-14 03:39:50,462 WARN L181 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-01-14 03:39:50,467 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:39:50,474 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:39:50,476 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 [2019-01-14 03:39:50,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:39:50,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:39:50,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:39:50,479 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 03:39:50,479 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:39:50,483 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 03:39:50,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:39:50,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:39:50,506 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 [2019-01-14 03:39:50,506 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:39:50,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:39:50,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:39:50,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:39:50,507 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:39:50,508 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:39:50,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:39:50,515 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:39:50,536 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 03:39:50,536 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 03:39:50,538 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:39:50,539 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:39:50,539 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:39:50,540 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 [] [2019-01-14 03:39:50,542 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:39:50,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:39:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:39:50,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:39:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:39:50,741 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:39:50,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:39:50,897 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 [2019-01-14 03:39:50,899 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 3 states. [2019-01-14 03:39:50,964 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 3 states. Result 53 states and 66 transitions. Complement of second has 7 states. [2019-01-14 03:39:50,965 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 [2019-01-14 03:39:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 03:39:50,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 45 transitions. [2019-01-14 03:39:50,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 03:39:50,970 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:39:50,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 8 letters. Loop has 6 letters. [2019-01-14 03:39:50,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:39:50,971 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 45 transitions. Stem has 2 letters. Loop has 12 letters. [2019-01-14 03:39:50,971 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:39:50,972 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2019-01-14 03:39:50,978 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:39:50,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 0 states and 0 transitions. [2019-01-14 03:39:50,982 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:39:50,983 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:39:50,983 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:39:50,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:39:50,984 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:39:50,984 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:39:50,984 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:39:50,984 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:39:50,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:39:50,985 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:39:50,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:39:50,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:39:50 BoogieIcfgContainer [2019-01-14 03:39:50,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:39:50,992 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:39:50,992 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:39:50,993 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:39:50,993 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:39:48" (3/4) ... [2019-01-14 03:39:50,997 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:39:50,997 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:39:50,998 INFO L168 Benchmark]: Toolchain (without parser) took 3897.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -62.4 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:51,000 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:51,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 931.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:51,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.06 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:51,001 INFO L168 Benchmark]: Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:51,002 INFO L168 Benchmark]: RCFGBuilder took 508.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:51,005 INFO L168 Benchmark]: BuchiAutomizer took 2954.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2019-01-14 03:39:51,006 INFO L168 Benchmark]: Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:39:51,012 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.20 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 931.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.06 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.90 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 508.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2954.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 19 SDslu, 19 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp51 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq206 hnf90 smp100 dnf171 smp100 tf104 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...