./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cf45fad85d859bd49993135d653eb18d378c433 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:42:41,423 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:42:41,425 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:42:41,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:42:41,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:42:41,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:42:41,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:42:41,443 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:42:41,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:42:41,445 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:42:41,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:42:41,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:42:41,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:42:41,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:42:41,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:42:41,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:42:41,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:42:41,455 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:42:41,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:42:41,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:42:41,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:42:41,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:42:41,465 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:42:41,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:42:41,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:42:41,466 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:42:41,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:42:41,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:42:41,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:42:41,471 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:42:41,472 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:42:41,472 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:42:41,473 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:42:41,473 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:42:41,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:42:41,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:42:41,476 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:42:41,495 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:42:41,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:42:41,498 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:42:41,498 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:42:41,498 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:42:41,499 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:42:41,499 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:42:41,499 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:42:41,499 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:42:41,499 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:42:41,500 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:42:41,503 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:42:41,503 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:42:41,503 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:42:41,503 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:42:41,504 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:42:41,505 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:42:41,505 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:42:41,505 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:42:41,505 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:42:41,505 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:42:41,509 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:42:41,509 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:42:41,510 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:42:41,510 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:42:41,510 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:42:41,511 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:42:41,511 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cf45fad85d859bd49993135d653eb18d378c433 [2018-11-28 23:42:41,559 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:42:41,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:42:41,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:42:41,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:42:41,580 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:42:41,580 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2018-11-28 23:42:41,651 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bee1d06d/28d20d49bc0e4f10a232881fef5f8565/FLAG1d56618e9 [2018-11-28 23:42:42,113 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:42:42,114 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/array_true-unreach-call2_true-termination.i [2018-11-28 23:42:42,121 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bee1d06d/28d20d49bc0e4f10a232881fef5f8565/FLAG1d56618e9 [2018-11-28 23:42:42,473 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8bee1d06d/28d20d49bc0e4f10a232881fef5f8565 [2018-11-28 23:42:42,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:42:42,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:42:42,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:42,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:42:42,488 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:42:42,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403756c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42, skipping insertion in model container [2018-11-28 23:42:42,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:42:42,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:42:42,785 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:42,794 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:42:42,825 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:42:42,857 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:42:42,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42 WrapperNode [2018-11-28 23:42:42,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:42:42,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:42,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:42:42,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:42:42,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:42:42,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:42:42,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:42:42,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:42:42,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... [2018-11-28 23:42:42,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:42:42,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:42:42,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:42:42,941 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:42:42,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:43,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:42:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:42:43,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:42:43,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:42:43,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:42:43,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:42:43,514 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:42:43,515 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:42:43,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:43 BoogieIcfgContainer [2018-11-28 23:42:43,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:42:43,516 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:42:43,516 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:42:43,530 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:42:43,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:43,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:42:42" (1/3) ... [2018-11-28 23:42:43,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dfe8b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:43, skipping insertion in model container [2018-11-28 23:42:43,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:43,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:42:42" (2/3) ... [2018-11-28 23:42:43,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6dfe8b0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:42:43, skipping insertion in model container [2018-11-28 23:42:43,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:42:43,537 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:43" (3/3) ... [2018-11-28 23:42:43,539 INFO L375 chiAutomizerObserver]: Analyzing ICFG array_true-unreach-call2_true-termination.i [2018-11-28 23:42:43,617 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:42:43,618 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:42:43,618 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:42:43,619 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:42:43,619 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:42:43,619 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:42:43,620 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:42:43,620 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:42:43,620 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:42:43,638 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:42:43,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:42:43,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:43,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:43,681 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:42:43,681 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:42:43,681 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:42:43,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:42:43,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:42:43,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:42:43,685 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:42:43,685 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:42:43,686 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:42:43,696 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~mem1, main_#t~post0, main_#t~mem2, main_#t~mem3, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.alloc(8192);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.alloc(8192);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 4#L13-3true [2018-11-28 23:42:43,696 INFO L796 eck$LassoCheckResult]: Loop: 4#L13-3true assume !!(main_~i~0 < 2048);call main_#t~mem1 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem1;havoc main_#t~mem1;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 6#L13-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 4#L13-3true [2018-11-28 23:42:43,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:43,706 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 23:42:43,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:43,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:43,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:43,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:43,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:43,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-11-28 23:42:43,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:43,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:43,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:43,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:43,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:43,861 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2018-11-28 23:42:43,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:42:43,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:42:43,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:42:43,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:42:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:42:44,106 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 23:42:44,211 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-11-28 23:42:44,338 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-11-28 23:42:44,544 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-11-28 23:42:44,575 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:42:44,576 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:42:44,577 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:42:44,579 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:42:44,579 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:42:44,579 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:42:44,579 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:42:44,579 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:42:44,579 INFO L131 ssoRankerPreferences]: Filename of dumped script: array_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-28 23:42:44,580 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:42:44,580 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:42:44,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:44,853 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2018-11-28 23:42:45,047 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 30 [2018-11-28 23:42:45,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:45,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:42:45,795 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:42:45,802 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:42:45,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,807 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,808 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,812 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,818 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,820 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,821 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,821 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,826 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,826 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,827 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,830 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,831 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,831 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,833 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,837 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,841 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:42:45,841 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:42:45,847 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,849 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,851 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,856 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,856 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 23:42:45,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,866 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:42:45,867 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:42:45,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,888 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:42:45,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,889 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,889 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:42:45,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:42:45,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,894 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 23:42:45,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,895 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,902 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:42:45,902 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:42:45,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,920 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,921 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,922 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,924 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:42:45,924 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:42:45,928 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:42:45,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:42:45,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:42:45,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:42:45,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:42:45,930 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:42:45,935 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:42:45,935 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:42:46,002 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:42:46,089 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2018-11-28 23:42:46,093 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-28 23:42:46,096 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:42:46,098 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:42:46,099 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:42:46,099 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1) = -8*ULTIMATE.start_main_~i~0 + 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2018-11-28 23:42:46,131 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2018-11-28 23:42:46,140 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:42:46,175 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:42:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:46,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:42:46,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:42:46,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:42:46,314 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:42:46,315 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-28 23:42:46,396 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 8 states. [2018-11-28 23:42:46,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:42:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:42:46,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2018-11-28 23:42:46,401 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 2 letters. [2018-11-28 23:42:46,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:46,402 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 23:42:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:46,403 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 23:42:46,403 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:42:46,404 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2018-11-28 23:42:46,407 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:42:46,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-28 23:42:46,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:42:46,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:42:46,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:42:46,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:42:46,413 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:46,413 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:46,414 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:42:46,414 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:42:46,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:42:46,415 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:42:46,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:42:46,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:42:46 BoogieIcfgContainer [2018-11-28 23:42:46,422 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:42:46,423 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:42:46,423 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:42:46,423 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:42:46,424 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:42:43" (3/4) ... [2018-11-28 23:42:46,427 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:42:46,427 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:42:46,428 INFO L168 Benchmark]: Toolchain (without parser) took 3950.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 951.4 MB in the beginning and 972.3 MB in the end (delta: -21.0 MB). Peak memory consumption was 93.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:46,430 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:42:46,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.08 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:46,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:42:46,432 INFO L168 Benchmark]: Boogie Preprocessor took 27.94 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:46,433 INFO L168 Benchmark]: RCFGBuilder took 575.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:46,434 INFO L168 Benchmark]: BuchiAutomizer took 2906.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:42:46,435 INFO L168 Benchmark]: Witness Printer took 4.60 ms. Allocated memory is still 1.1 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:42:46,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 378.08 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.02 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.94 ms. Allocated memory is still 1.0 GB. Free memory was 940.6 MB in the beginning and 935.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 575.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2906.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 972.3 MB in the end (delta: 116.5 MB). Peak memory consumption was 116.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.60 ms. Allocated memory is still 1.1 GB. Free memory is still 972.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 -8 * i + 4095 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. 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: 4 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax100 hnf100 lsp95 ukn67 mio100 lsp72 div100 bol100 ite100 ukn100 eq168 hnf65 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...