./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-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 cb3e7c70ff280d693624878e8ba9ec05355aa785 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:18:36,293 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:18:36,295 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:18:36,311 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:18:36,312 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:18:36,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:18:36,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:18:36,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:18:36,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:18:36,324 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:18:36,326 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:18:36,327 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:18:36,328 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:18:36,331 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:18:36,333 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:18:36,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:18:36,334 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:18:36,337 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:18:36,339 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:18:36,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:18:36,342 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:18:36,343 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:18:36,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:18:36,346 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:18:36,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:18:36,347 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:18:36,348 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:18:36,350 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:18:36,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:18:36,352 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:18:36,352 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:18:36,353 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:18:36,353 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:18:36,353 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:18:36,355 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:18:36,355 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:18:36,356 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:18:36,385 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:18:36,385 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:18:36,387 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:18:36,387 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:18:36,387 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:18:36,387 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:18:36,388 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:18:36,388 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:18:36,388 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:18:36,388 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:18:36,388 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:18:36,389 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:18:36,390 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:18:36,390 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:18:36,390 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:18:36,390 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:18:36,390 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:18:36,391 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:18:36,391 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:18:36,391 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:18:36,391 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:18:36,391 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:18:36,391 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:18:36,393 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:18:36,393 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:18:36,393 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:18:36,393 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:18:36,393 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:18:36,395 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:18:36,395 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 -> cb3e7c70ff280d693624878e8ba9ec05355aa785 [2018-11-28 23:18:36,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:18:36,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:18:36,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:18:36,474 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:18:36,474 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:18:36,475 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca_true-termination.c.i [2018-11-28 23:18:36,539 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02fd310d/bf1c2c4c364541d69118e1aab7810c16/FLAG898c51679 [2018-11-28 23:18:37,110 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:18:37,111 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-memory-alloca/HarrisLalNoriRajamani-2010SAS-Fig3-alloca_true-termination.c.i [2018-11-28 23:18:37,128 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02fd310d/bf1c2c4c364541d69118e1aab7810c16/FLAG898c51679 [2018-11-28 23:18:37,396 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f02fd310d/bf1c2c4c364541d69118e1aab7810c16 [2018-11-28 23:18:37,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:18:37,402 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:18:37,403 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:18:37,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:18:37,409 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:18:37,410 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:37,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1505cffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37, skipping insertion in model container [2018-11-28 23:18:37,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:37,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:18:37,492 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:18:37,813 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:37,830 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:18:37,894 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:37,950 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:18:37,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37 WrapperNode [2018-11-28 23:18:37,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:18:37,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:37,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:18:37,952 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:18:38,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:38,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:18:38,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:18:38,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:18:38,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,091 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (1/1) ... [2018-11-28 23:18:38,108 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:18:38,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:18:38,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:18:38,109 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:18:38,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (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 23:18:38,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:18:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:18:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:18:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:18:38,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:18:38,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:18:38,480 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:18:38,481 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 23:18:38,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:38 BoogieIcfgContainer [2018-11-28 23:18:38,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:18:38,482 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:18:38,482 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:18:38,487 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:18:38,488 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:38,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:18:37" (1/3) ... [2018-11-28 23:18:38,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@402fcd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:38, skipping insertion in model container [2018-11-28 23:18:38,489 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:38,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:37" (2/3) ... [2018-11-28 23:18:38,490 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@402fcd35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:38, skipping insertion in model container [2018-11-28 23:18:38,490 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:38,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:38" (3/3) ... [2018-11-28 23:18:38,492 INFO L375 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-2010SAS-Fig3-alloca_true-termination.c.i [2018-11-28 23:18:38,550 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:18:38,550 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:18:38,551 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:18:38,551 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:18:38,551 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:18:38,551 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:18:38,551 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:18:38,552 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:18:38,552 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:18:38,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:18:38,596 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-28 23:18:38,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:38,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:38,603 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:18:38,603 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 23:18:38,603 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:18:38,603 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:18:38,604 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-11-28 23:18:38,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:38,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:38,605 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-28 23:18:38,605 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-28 23:18:38,613 INFO L794 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~x~0.base, ~x~0.offset := 0, 0; 3#L-1true havoc main_#res;havoc main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet5, main_#t~nondet7, main_#t~ret8, main_#t~ret9, main_#t~mem6;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.alloc(4);~x~0.base, ~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;call write~int(main_#t~nondet5, ~x~0.base, ~x~0.offset, 4);havoc main_#t~nondet5; 5#L555-2true [2018-11-28 23:18:38,614 INFO L796 eck$LassoCheckResult]: Loop: 5#L555-2true call main_#t~mem6 := read~int(~x~0.base, ~x~0.offset, 4); 6#L554-1true assume !!(main_#t~mem6 > 0);havoc main_#t~mem6; 12#L555true assume 0 != main_#t~nondet7;havoc main_#t~nondet7;havoc foo_#res;havoc foo_#t~mem2, foo_#t~post3;call foo_#t~mem2 := read~int(~x~0.base, ~x~0.offset, 4);foo_#t~post3 := foo_#t~mem2;call write~int(foo_#t~post3 - 1, ~x~0.base, ~x~0.offset, 4);havoc foo_#t~mem2;havoc foo_#t~post3; 4#L548true main_#t~ret8 := foo_#res;havoc main_#t~ret8; 5#L555-2true [2018-11-28 23:18:38,621 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:38,621 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-28 23:18:38,623 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:38,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:38,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:38,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:38,760 INFO L82 PathProgramCache]: Analyzing trace with hash 1144072, now seen corresponding path program 1 times [2018-11-28 23:18:38,760 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:38,760 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:38,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:38,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:38,786 INFO L82 PathProgramCache]: Analyzing trace with hash 889571274, now seen corresponding path program 1 times [2018-11-28 23:18:38,787 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:38,787 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:38,788 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:38,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:38,952 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-28 23:18:39,424 WARN L180 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-11-28 23:18:39,489 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:18:39,490 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:18:39,490 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:18:39,490 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:18:39,491 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:18:39,491 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:18:39,491 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:18:39,491 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:18:39,491 INFO L131 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-2010SAS-Fig3-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:18:39,491 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:18:39,492 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:18:39,517 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 23:18:39,526 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 23:18:39,533 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 23:18:39,536 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 23:18:39,540 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 23:18:39,543 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 23:18:39,571 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 23:18:39,575 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 23:18:39,587 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 23:18:39,818 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2018-11-28 23:18:39,859 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 23:18:39,864 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 23:18:39,867 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 23:18:39,871 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 23:18:39,874 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 23:18:39,877 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 23:18:39,881 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 23:18:40,169 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:18:40,607 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:18:40,613 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:18:40,617 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 23:18:40,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,619 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,624 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,625 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,633 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,634 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 23:18:40,634 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,635 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:40,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,636 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,637 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:40,637 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:40,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,640 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 23:18:40,640 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:40,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,642 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,643 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:40,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:40,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,645 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 23:18:40,646 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,646 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:40,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,646 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,648 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:40,648 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:40,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,650 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 23:18:40,651 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,651 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:40,651 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,652 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,652 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:40,652 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:40,655 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,655 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 23:18:40,657 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,657 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,657 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,657 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,661 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,663 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,671 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 23:18:40,673 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,674 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,678 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,679 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,689 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 23:18:40,691 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,693 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,693 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,696 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,700 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,710 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 23:18:40,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,714 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,723 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,725 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,765 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 23:18:40,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,768 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,769 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,770 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:40,777 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 23:18:40,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:40,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:40,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:40,778 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:40,781 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:40,783 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:40,800 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:18:40,819 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:18:40,821 INFO L444 ModelExtractionUtils]: 4 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-28 23:18:40,825 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:18:40,830 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:18:40,831 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:18:40,831 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1) = 1*v_rep(select (select #memory_int ~x~0.base) ~x~0.offset)_1 Supporting invariants [] [2018-11-28 23:18:40,853 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-28 23:18:40,861 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-28 23:18:40,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:40,911 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:40,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:41,042 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 23:18:41,048 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 33 [2018-11-28 23:18:41,055 INFO L701 Elim1Store]: detected not equals via solver [2018-11-28 23:18:41,057 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 22 [2018-11-28 23:18:41,059 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-28 23:18:41,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-28 23:18:41,084 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-28 23:18:41,085 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:32, output treesize:17 [2018-11-28 23:18:41,111 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 23:18:41,128 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2018-11-28 23:18:41,129 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 5 states. [2018-11-28 23:18:41,213 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 5 states. Result 24 states and 29 transitions. Complement of second has 9 states. [2018-11-28 23:18:41,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-28 23:18:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-28 23:18:41,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2018-11-28 23:18:41,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 4 letters. [2018-11-28 23:18:41,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:41,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-28 23:18:41,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:41,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 8 letters. [2018-11-28 23:18:41,221 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:41,222 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2018-11-28 23:18:41,224 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:41,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-28 23:18:41,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:18:41,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:18:41,228 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:18:41,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:18:41,229 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:41,229 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:41,229 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:41,229 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:18:41,229 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:18:41,229 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:41,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:18:41,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:18:41 BoogieIcfgContainer [2018-11-28 23:18:41,235 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:18:41,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:18:41,236 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:18:41,236 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:18:41,237 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:38" (3/4) ... [2018-11-28 23:18:41,240 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:18:41,240 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:18:41,241 INFO L168 Benchmark]: Toolchain (without parser) took 3839.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 946.0 MB in the beginning and 953.8 MB in the end (delta: -7.8 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:41,242 INFO L168 Benchmark]: CDTParser took 0.18 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 23:18:41,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.85 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:41,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:41,245 INFO L168 Benchmark]: Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:41,246 INFO L168 Benchmark]: RCFGBuilder took 372.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:41,247 INFO L168 Benchmark]: BuchiAutomizer took 2753.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.8 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:41,247 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 1.1 GB. Free memory is still 953.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:41,254 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 547.85 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 924.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 372.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2753.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.8 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.41 ms. Allocated memory is still 1.1 GB. Free memory is still 953.8 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 #memory_int * 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 unknown-#memory_int-unknown[x][x] and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 7 SDtfs, 6 SDslu, 15 SDs, 0 SdLazy, 12 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital105 mio100 ax117 hnf100 lsp74 ukn68 mio100 lsp42 div100 bol100 ite100 ukn100 eq144 hnf92 smp91 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms 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...