./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i -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 b80c314f9b813935201d5b334c75f7a685c1e89b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 21:56:30,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 21:56:30,203 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 21:56:30,216 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 21:56:30,217 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 21:56:30,218 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 21:56:30,219 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 21:56:30,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 21:56:30,223 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 21:56:30,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 21:56:30,225 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 21:56:30,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 21:56:30,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 21:56:30,228 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 21:56:30,230 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 21:56:30,231 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 21:56:30,231 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 21:56:30,234 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 21:56:30,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 21:56:30,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 21:56:30,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 21:56:30,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 21:56:30,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 21:56:30,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 21:56:30,245 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 21:56:30,246 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 21:56:30,248 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 21:56:30,249 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 21:56:30,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 21:56:30,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 21:56:30,252 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 21:56:30,253 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 21:56:30,253 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 21:56:30,253 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 21:56:30,255 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 21:56:30,255 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 21:56:30,256 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-01 21:56:30,274 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 21:56:30,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 21:56:30,275 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 21:56:30,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 21:56:30,276 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 21:56:30,276 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 21:56:30,276 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 21:56:30,276 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 21:56:30,277 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 21:56:30,278 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 21:56:30,278 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 21:56:30,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 21:56:30,278 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 21:56:30,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 21:56:30,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 21:56:30,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 21:56:30,280 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 21:56:30,281 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 21:56:30,281 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 21:56:30,281 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 21:56:30,281 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 21:56:30,281 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 21:56:30,282 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 21:56:30,284 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 21:56:30,284 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 -> b80c314f9b813935201d5b334c75f7a685c1e89b [2019-01-01 21:56:30,323 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 21:56:30,336 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 21:56:30,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 21:56:30,343 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 21:56:30,343 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 21:56:30,344 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i [2019-01-01 21:56:30,411 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602b59432/83a0983fceb549ec9e8af2a04a29ba1b/FLAGee5c773e9 [2019-01-01 21:56:30,933 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 21:56:30,933 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-15/add_first_alloca_true-termination.c.i [2019-01-01 21:56:30,943 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602b59432/83a0983fceb549ec9e8af2a04a29ba1b/FLAGee5c773e9 [2019-01-01 21:56:31,214 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/602b59432/83a0983fceb549ec9e8af2a04a29ba1b [2019-01-01 21:56:31,218 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 21:56:31,219 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 21:56:31,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 21:56:31,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 21:56:31,225 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 21:56:31,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed26ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31, skipping insertion in model container [2019-01-01 21:56:31,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 21:56:31,287 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 21:56:31,689 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:56:31,701 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 21:56:31,746 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 21:56:31,818 INFO L195 MainTranslator]: Completed translation [2019-01-01 21:56:31,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31 WrapperNode [2019-01-01 21:56:31,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 21:56:31,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 21:56:31,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 21:56:31,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 21:56:31,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 21:56:31,944 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 21:56:31,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 21:56:31,945 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 21:56:31,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,971 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... [2019-01-01 21:56:31,981 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 21:56:31,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 21:56:31,982 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 21:56:31,982 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 21:56:31,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:56:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-01 21:56:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-01 21:56:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 21:56:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-01 21:56:32,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 21:56:32,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 21:56:32,322 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 21:56:32,323 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-01 21:56:32,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:56:32 BoogieIcfgContainer [2019-01-01 21:56:32,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 21:56:32,324 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 21:56:32,324 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 21:56:32,330 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 21:56:32,332 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:56:32,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 09:56:31" (1/3) ... [2019-01-01 21:56:32,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b372271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:56:32, skipping insertion in model container [2019-01-01 21:56:32,334 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:56:32,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 09:56:31" (2/3) ... [2019-01-01 21:56:32,334 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b372271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 09:56:32, skipping insertion in model container [2019-01-01 21:56:32,334 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 21:56:32,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:56:32" (3/3) ... [2019-01-01 21:56:32,336 INFO L375 chiAutomizerObserver]: Analyzing ICFG add_first_alloca_true-termination.c.i [2019-01-01 21:56:32,475 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 21:56:32,476 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 21:56:32,476 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 21:56:32,476 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 21:56:32,477 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 21:56:32,477 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 21:56:32,477 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 21:56:32,477 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 21:56:32,477 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 21:56:32,495 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:56:32,518 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:56:32,518 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:56:32,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:56:32,526 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-01-01 21:56:32,527 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:56:32,527 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 21:56:32,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-01-01 21:56:32,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 21:56:32,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 21:56:32,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 21:56:32,529 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2019-01-01 21:56:32,530 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 21:56:32,539 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~mem209, main_#t~mem210, main_#t~post211.base, main_#t~post211.offset, main_#t~mem207, main_#t~mem208, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset, main_~a~0.base, main_~a~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 5#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 9#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~a~0.base, main_~a~0.offset := main_~arr~0.base, main_~arr~0.offset + 4 * main_~length~0 - 4; 10#L371-3true [2019-01-01 21:56:32,539 INFO L796 eck$LassoCheckResult]: Loop: 10#L371-3true call main_#t~mem207 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem208 := read~int(main_~arr~0.base, main_~arr~0.offset, 4); 6#L371-1true assume !!(main_#t~mem207 != main_#t~mem208);havoc main_#t~mem208;havoc main_#t~mem207;call main_#t~mem209 := read~int(main_~a~0.base, main_~a~0.offset, 4);call main_#t~mem210 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);call write~int(main_#t~mem209 + main_#t~mem210, main_~a~0.base, main_~a~0.offset, 4);havoc main_#t~mem210;havoc main_#t~mem209;main_#t~post211.base, main_#t~post211.offset := main_~a~0.base, main_~a~0.offset;main_~a~0.base, main_~a~0.offset := main_#t~post211.base, main_#t~post211.offset - 4;havoc main_#t~post211.base, main_#t~post211.offset; 10#L371-3true [2019-01-01 21:56:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:56:32,547 INFO L82 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2019-01-01 21:56:32,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:56:32,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:56:32,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:56:32,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:56:32,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2019-01-01 21:56:32,689 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:56:32,689 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:56:32,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:56:32,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:56:32,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2019-01-01 21:56:32,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 21:56:32,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 21:56:32,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 21:56:32,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 21:56:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 21:56:32,945 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-01-01 21:56:33,096 WARN L181 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-01 21:56:33,402 WARN L181 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2019-01-01 21:56:33,520 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 21:56:33,522 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 21:56:33,522 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 21:56:33,522 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 21:56:33,523 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 21:56:33,523 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 21:56:33,523 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 21:56:33,523 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 21:56:33,523 INFO L131 ssoRankerPreferences]: Filename of dumped script: add_first_alloca_true-termination.c.i_Iteration1_Lasso [2019-01-01 21:56:33,523 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 21:56:33,524 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 21:56:33,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,694 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:33,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 21:56:34,318 WARN L181 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-01-01 21:56:34,800 WARN L181 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-01-01 21:56:35,344 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 21:56:35,350 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 21:56:35,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,354 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,356 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,357 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,362 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,363 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,364 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,368 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,370 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,371 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,373 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:56:35,374 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:56:35,379 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,380 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,381 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,381 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,381 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,382 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,384 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,385 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,385 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,385 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,388 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,388 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,389 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,389 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,391 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,393 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,393 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,395 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,397 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,399 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:56:35,399 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:56:35,404 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,407 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,409 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,410 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,410 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,411 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,411 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,411 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,412 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,412 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,415 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 21:56:35,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,415 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,416 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 21:56:35,416 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 21:56:35,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 21:56:35,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 21:56:35,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 21:56:35,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 21:56:35,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 21:56:35,419 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 21:56:35,429 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 21:56:35,429 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 21:56:35,554 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 21:56:35,645 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 21:56:35,645 INFO L444 ModelExtractionUtils]: 20 out of 25 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-01-01 21:56:35,653 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 21:56:35,655 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-01 21:56:35,655 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 21:56:35,656 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~a~0.offset) = 1*ULTIMATE.start_main_~a~0.offset + 2 Supporting invariants [] [2019-01-01 21:56:35,738 INFO L297 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2019-01-01 21:56:35,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 21:56:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:56:35,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:56:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 21:56:35,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 21:56:35,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 21:56:35,876 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 21:56:35,877 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-01-01 21:56:35,929 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 5 states. [2019-01-01 21:56:35,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-01 21:56:35,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-01 21:56:35,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2019-01-01 21:56:35,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 2 letters. [2019-01-01 21:56:35,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:56:35,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 7 letters. Loop has 2 letters. [2019-01-01 21:56:35,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:56:35,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 4 letters. [2019-01-01 21:56:35,938 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 21:56:35,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2019-01-01 21:56:35,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:56:35,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-01-01 21:56:35,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 21:56:35,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 21:56:35,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 21:56:35,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 21:56:35,947 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:56:35,948 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:56:35,948 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 21:56:35,948 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 21:56:35,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 21:56:35,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 21:56:35,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 21:56:35,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 09:56:35 BoogieIcfgContainer [2019-01-01 21:56:35,956 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 21:56:35,957 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 21:56:35,957 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 21:56:35,957 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 21:56:35,958 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 09:56:32" (3/4) ... [2019-01-01 21:56:35,962 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 21:56:35,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 21:56:35,963 INFO L168 Benchmark]: Toolchain (without parser) took 4744.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 951.4 MB in the beginning and 921.2 MB in the end (delta: 30.2 MB). Peak memory consumption was 158.6 MB. Max. memory is 11.5 GB. [2019-01-01 21:56:35,965 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. [2019-01-01 21:56:35,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.55 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:56:35,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-01 21:56:35,967 INFO L168 Benchmark]: Boogie Preprocessor took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:56:35,968 INFO L168 Benchmark]: RCFGBuilder took 342.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-01-01 21:56:35,969 INFO L168 Benchmark]: BuchiAutomizer took 3631.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.2 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. [2019-01-01 21:56:35,970 INFO L168 Benchmark]: Witness Printer took 5.90 ms. Allocated memory is still 1.2 GB. Free memory is still 921.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 21:56:35,978 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 598.55 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 342.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3631.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 921.2 MB in the end (delta: 169.7 MB). Peak memory consumption was 169.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.90 ms. Allocated memory is still 1.2 GB. Free memory is still 921.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function a + 2 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 13 SDtfs, 12 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital135 mio100 ax100 hnf100 lsp95 ukn89 mio100 lsp54 div100 bol100 ite100 ukn100 eq182 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...