./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 07d66c4a8707cd8197105d63e3dee30aff715401 ............................................................................................................................................................................................................................................................................................................................................................................................ 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 02:16:04,334 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:16:04,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:16:04,348 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:16:04,348 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:16:04,349 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:16:04,351 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:16:04,353 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:16:04,355 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:16:04,356 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:16:04,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:16:04,357 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:16:04,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:16:04,359 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:16:04,360 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:16:04,362 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:16:04,362 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:16:04,365 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:16:04,367 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:16:04,369 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:16:04,370 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:16:04,371 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:16:04,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:16:04,375 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:16:04,375 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:16:04,376 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:16:04,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:16:04,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:16:04,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:16:04,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:16:04,381 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:16:04,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:16:04,383 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:16:04,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:16:04,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:16:04,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:16:04,385 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:16:04,402 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:16:04,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:16:04,404 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:16:04,404 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:16:04,405 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:16:04,405 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:16:04,405 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:16:04,405 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:16:04,405 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:16:04,406 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:16:04,406 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:16:04,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:16:04,406 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:16:04,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:16:04,407 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:16:04,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:16:04,408 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:16:04,408 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:16:04,408 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:16:04,409 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:16:04,409 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:16:04,410 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:16:04,410 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:16:04,410 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:16:04,410 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:16:04,411 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:16:04,411 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:16:04,411 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:16:04,413 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:16:04,413 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07d66c4a8707cd8197105d63e3dee30aff715401 [2019-01-14 02:16:04,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:16:04,462 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:16:04,466 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:16:04,468 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:16:04,468 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:16:04,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2019-01-14 02:16:04,534 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe644e11/4991dee2849442a784c89fd26ca8f775/FLAGe1846553c [2019-01-14 02:16:04,996 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:16:04,996 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2019-01-14 02:16:05,002 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe644e11/4991dee2849442a784c89fd26ca8f775/FLAGe1846553c [2019-01-14 02:16:05,375 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fe644e11/4991dee2849442a784c89fd26ca8f775 [2019-01-14 02:16:05,379 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:16:05,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:16:05,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:16:05,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:16:05,386 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:16:05,387 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5baa1775 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05, skipping insertion in model container [2019-01-14 02:16:05,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:16:05,418 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:16:05,591 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:16:05,595 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:16:05,611 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:16:05,626 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:16:05,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05 WrapperNode [2019-01-14 02:16:05,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:16:05,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:16:05,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:16:05,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:16:05,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:16:05,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:16:05,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:16:05,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:16:05,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (1/1) ... [2019-01-14 02:16:05,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:16:05,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:16:05,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:16:05,690 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:16:05,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (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 02:16:05,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:16:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:16:05,971 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:16:05,971 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 02:16:05,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:16:05 BoogieIcfgContainer [2019-01-14 02:16:05,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:16:05,973 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:16:05,974 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:16:05,977 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:16:05,978 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:16:05,978 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:16:05" (1/3) ... [2019-01-14 02:16:05,979 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78abd336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:16:05, skipping insertion in model container [2019-01-14 02:16:05,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:16:05,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:16:05" (2/3) ... [2019-01-14 02:16:05,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78abd336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:16:05, skipping insertion in model container [2019-01-14 02:16:05,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:16:05,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:16:05" (3/3) ... [2019-01-14 02:16:05,982 INFO L375 chiAutomizerObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c [2019-01-14 02:16:06,052 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:16:06,052 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:16:06,056 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:16:06,056 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:16:06,056 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:16:06,056 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:16:06,056 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:16:06,056 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:16:06,057 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:16:06,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:16:06,116 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:16:06,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:16:06,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:16:06,124 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:16:06,125 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 02:16:06,125 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:16:06,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:16:06,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 02:16:06,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:16:06,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:16:06,127 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:16:06,127 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 02:16:06,137 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~max~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L16true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 6#L19-2true [2019-01-14 02:16:06,137 INFO L796 eck$LassoCheckResult]: Loop: 6#L19-2true assume !!(main_~x~0 < main_~max~0); 11#L20true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~a~0 := 1 + main_~a~0; 9#L20-2true main_~x~0 := 1 + main_~x~0; 6#L19-2true [2019-01-14 02:16:06,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:16:06,144 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-01-14 02:16:06,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:16:06,148 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:16:06,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:16:06,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:16:06,273 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2019-01-14 02:16:06,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:16:06,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:16:06,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:16:06,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:16:06,289 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2019-01-14 02:16:06,289 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:16:06,289 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:16:06,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:16:06,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:16:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:16:06,425 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:16:06,426 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:16:06,426 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:16:06,426 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:16:06,427 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:16:06,427 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:16:06,427 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:16:06,427 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:16:06,427 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:16:06,428 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:16:06,429 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:16:06,453 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 02:16:06,493 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 02:16:06,501 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 02:16:06,517 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 02:16:06,540 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 02:16:06,781 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:16:06,781 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 02:16:06,795 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:16:06,795 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:16:06,846 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:16:06,846 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} 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) [2019-01-14 02:16:06,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:16:06,854 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:16:06,904 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 02:16:06,904 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 02:16:06,915 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:16:06,916 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:16:06,941 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:16:06,941 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:16:07,086 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 02:16:07,089 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:16:07,089 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:16:07,089 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:16:07,089 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:16:07,089 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:16:07,090 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:16:07,090 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:16:07,090 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:16:07,090 INFO L131 ssoRankerPreferences]: Filename of dumped script: AliasDarteFeautrierGonnord-SAS2010-random1d_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:16:07,090 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:16:07,091 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:16:07,093 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 02:16:07,103 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 02:16:07,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:16:07,133 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 02:16:07,136 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 02:16:07,320 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:16:07,325 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:16:07,328 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 02:16:07,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:16:07,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:16:07,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:16:07,330 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:16:07,335 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:16:07,335 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:16:07,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:16:07,345 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 02:16:07,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:16:07,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:16:07,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:16:07,347 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:16:07,350 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:16:07,350 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:16:07,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:16:07,372 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 02:16:07,373 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:16:07,373 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:16:07,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:16:07,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:16:07,374 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:16:07,380 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:16:07,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:16:07,395 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:16:07,414 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-14 02:16:07,414 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 02:16:07,419 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:16:07,422 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 02:16:07,422 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:16:07,423 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -1*ULTIMATE.start_main_~x~0 + 1*ULTIMATE.start_main_~max~0 Supporting invariants [] [2019-01-14 02:16:07,424 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 02:16:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:16:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:16:07,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:16:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:16:07,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:16:07,587 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 02:16:07,602 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 02:16:07,604 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-01-14 02:16:07,725 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2019-01-14 02:16:07,726 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 02:16:07,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 02:16:07,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-01-14 02:16:07,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-14 02:16:07,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:16:07,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-14 02:16:07,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:16:07,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 02:16:07,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:16:07,735 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2019-01-14 02:16:07,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:16:07,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-01-14 02:16:07,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:16:07,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:16:07,743 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:16:07,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:16:07,743 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:16:07,744 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:16:07,744 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:16:07,744 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:16:07,744 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:16:07,744 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:16:07,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:16:07,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:16:07 BoogieIcfgContainer [2019-01-14 02:16:07,752 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:16:07,753 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:16:07,753 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:16:07,753 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:16:07,754 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:16:05" (3/4) ... [2019-01-14 02:16:07,760 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:16:07,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:16:07,761 INFO L168 Benchmark]: Toolchain (without parser) took 2381.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 950.0 MB in the beginning and 1.0 GB in the end (delta: -64.8 MB). Peak memory consumption was 55.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:16:07,764 INFO L168 Benchmark]: CDTParser took 0.15 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. [2019-01-14 02:16:07,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:16:07,765 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.61 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:16:07,767 INFO L168 Benchmark]: Boogie Preprocessor took 21.29 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:16:07,768 INFO L168 Benchmark]: RCFGBuilder took 282.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:16:07,769 INFO L168 Benchmark]: BuchiAutomizer took 1779.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.1 MB). Peak memory consumption was 92.1 MB. Max. memory is 11.5 GB. [2019-01-14 02:16:07,770 INFO L168 Benchmark]: Witness Printer took 7.39 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:16:07,776 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 244.84 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 939.3 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 40.61 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.29 ms. Allocated memory is still 1.0 GB. Free memory is still 939.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 282.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.6 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -167.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1779.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.1 MB). Peak memory consumption was 92.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.39 ms. Allocated memory is still 1.1 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 -1 * x + max and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 11 SDtfs, 11 SDslu, 8 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: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...