./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-memory-alloca/ex1-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-memory-alloca/ex1-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 4b45df13f81f06cb5935eadea1b8dc5cf75af29d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 02:32:51,435 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:32:51,437 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:32:51,448 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:32:51,449 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:32:51,450 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:32:51,453 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:32:51,456 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:32:51,458 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:32:51,458 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:32:51,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:32:51,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:32:51,462 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:32:51,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:32:51,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:32:51,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:32:51,468 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:32:51,470 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:32:51,479 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:32:51,481 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:32:51,485 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:32:51,486 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:32:51,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:32:51,493 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:32:51,493 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:32:51,494 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:32:51,495 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:32:51,498 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:32:51,498 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:32:51,499 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:32:51,499 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:32:51,503 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:32:51,503 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:32:51,503 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:32:51,504 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:32:51,504 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:32:51,506 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:32:51,532 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:32:51,533 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:32:51,534 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:32:51,535 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:32:51,535 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:32:51,535 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:32:51,535 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:32:51,535 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:32:51,536 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:32:51,536 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:32:51,536 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:32:51,536 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:32:51,536 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:32:51,536 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:32:51,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:32:51,537 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:32:51,538 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:32:51,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:32:51,539 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:32:51,539 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:32:51,539 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:32:51,539 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:32:51,539 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:32:51,541 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:32:51,542 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 -> 4b45df13f81f06cb5935eadea1b8dc5cf75af29d [2019-01-14 02:32:51,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:32:51,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:32:51,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:32:51,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:32:51,612 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:32:51,613 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-memory-alloca/ex1-alloca_true-termination.c.i [2019-01-14 02:32:51,673 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cbd7f64/89031961a5c24881bce33bb0de149789/FLAG20812d179 [2019-01-14 02:32:52,116 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:32:52,116 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-memory-alloca/ex1-alloca_true-termination.c.i [2019-01-14 02:32:52,131 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cbd7f64/89031961a5c24881bce33bb0de149789/FLAG20812d179 [2019-01-14 02:32:52,446 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96cbd7f64/89031961a5c24881bce33bb0de149789 [2019-01-14 02:32:52,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:32:52,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:32:52,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:32:52,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:32:52,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:32:52,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:32:52" (1/1) ... [2019-01-14 02:32:52,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c85c2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:52, skipping insertion in model container [2019-01-14 02:32:52,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:32:52" (1/1) ... [2019-01-14 02:32:52,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:32:52,516 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:32:52,833 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:32:52,845 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:32:52,971 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:32:53,026 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:32:53,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53 WrapperNode [2019-01-14 02:32:53,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:32:53,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:32:53,028 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:32:53,028 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:32:53,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,076 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:32:53,076 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:32:53,076 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:32:53,076 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:32:53,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,087 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... [2019-01-14 02:32:53,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:32:53,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:32:53,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:32:53,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:32:53,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:32:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 02:32:53,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 02:32:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 02:32:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 02:32:53,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:32:53,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:32:53,388 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:32:53,389 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 02:32:53,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:32:53 BoogieIcfgContainer [2019-01-14 02:32:53,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:32:53,392 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:32:53,392 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:32:53,396 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:32:53,396 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:32:53,398 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:32:52" (1/3) ... [2019-01-14 02:32:53,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ea6232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:32:53, skipping insertion in model container [2019-01-14 02:32:53,400 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:32:53,400 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:32:53" (2/3) ... [2019-01-14 02:32:53,400 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@58ea6232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:32:53, skipping insertion in model container [2019-01-14 02:32:53,400 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:32:53,401 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:32:53" (3/3) ... [2019-01-14 02:32:53,402 INFO L375 chiAutomizerObserver]: Analyzing ICFG ex1-alloca_true-termination.c.i [2019-01-14 02:32:53,462 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:32:53,463 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:32:53,463 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:32:53,463 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:32:53,463 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:32:53,464 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:32:53,464 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:32:53,464 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:32:53,464 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:32:53,476 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:32:53,495 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 02:32:53,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:32:53,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:32:53,501 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:32:53,501 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:32:53,501 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:32:53,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 02:32:53,502 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-14 02:32:53,503 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:32:53,503 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:32:53,503 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 02:32:53,503 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-14 02:32:53,511 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~ret13;test_fun_#in~x, test_fun_#in~y, test_fun_#in~r := main_#t~nondet10, main_#t~nondet11, main_#t~nondet12;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem6, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~mem5, test_fun_#t~mem9, test_fun_~x, test_fun_~y, test_fun_~r, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;test_fun_~r := test_fun_#in~r;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;test_fun_~r := 1;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_~r, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4); 4#L556-3true [2019-01-14 02:32:53,511 INFO L796 eck$LassoCheckResult]: Loop: 4#L556-3true call test_fun_#t~mem5 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 9#L556-1true assume !!(test_fun_#t~mem5 > 0);havoc test_fun_#t~mem5;call test_fun_#t~mem6 := read~int(test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem6 * test_fun_#t~mem7, test_fun_~r_ref~0.base, test_fun_~r_ref~0.offset, 4);havoc test_fun_#t~mem6;havoc test_fun_#t~mem7;call test_fun_#t~mem8 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem8 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem8; 4#L556-3true [2019-01-14 02:32:53,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:32:53,516 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-01-14 02:32:53,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:32:53,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:32:53,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:32:53,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:53,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:32:53,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2019-01-14 02:32:53,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:32:53,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:32:53,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:32:53,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,700 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-01-14 02:32:53,700 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-01-14 02:32:53,700 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-01-14 02:32:53,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:32:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:53,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:32:53,806 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2019-01-14 02:32:53,806 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:32:53,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:32:53,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:32:53,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:32:53,824 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2019-01-14 02:32:53,825 INFO L258 seRefinementStrategy]: Advancing trace checker [2019-01-14 02:32:53,825 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-01-14 02:32:53,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:32:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:32:54,204 WARN L181 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-01-14 02:32:54,404 WARN L181 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-01-14 02:32:55,627 WARN L181 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 105 DAG size of output: 90 [2019-01-14 02:32:55,809 WARN L181 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-01-14 02:32:55,827 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:32:55,828 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:32:55,828 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:32:55,829 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:32:55,829 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:32:55,829 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:32:55,829 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:32:55,830 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:32:55,831 INFO L131 ssoRankerPreferences]: Filename of dumped script: ex1-alloca_true-termination.c.i_Iteration1_Lasso [2019-01-14 02:32:55,832 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:32:55,832 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:32:55,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:55,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,495 WARN L181 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2019-01-14 02:32:56,675 WARN L181 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-01-14 02:32:56,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:32:56,982 WARN L181 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-01-14 02:32:58,209 WARN L181 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-01-14 02:32:58,254 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:32:58,259 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:32:58,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:32:58,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:32:58,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:32:58,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:32:58,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,271 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,272 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:32:58,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:32:58,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:32:58,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:32:58,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:32:58,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,277 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:32:58,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,278 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,278 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:32:58,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:32:58,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,282 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,282 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,285 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,285 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,290 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,291 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:32:58,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,291 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,292 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:32:58,292 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:32:58,293 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,297 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,297 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,311 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,311 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,354 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,354 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,362 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,362 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,371 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,377 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,386 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,386 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 02:32:58,475 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:32:58,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:32:58,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:32:58,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:32:58,478 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:32:58,484 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 02:32:58,484 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 02:32:58,499 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:32:58,511 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 02:32:58,511 INFO L444 ModelExtractionUtils]: 13 out of 16 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 02:32:58,514 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:32:58,516 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-14 02:32:58,516 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:32:58,517 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 Supporting invariants [] [2019-01-14 02:32:58,745 INFO L297 tatePredicateManager]: 22 out of 24 supporting invariants were superfluous and have been removed [2019-01-14 02:32:58,756 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2019-01-14 02:32:58,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:32:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:32:58,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:32:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:32:58,846 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:32:58,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 02:32:58,894 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 02:32:58,896 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-01-14 02:32:59,001 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 17 states and 19 transitions. Complement of second has 8 states. [2019-01-14 02:32:59,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 02:32:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-01-14 02:32:59,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2019-01-14 02:32:59,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 2 letters. [2019-01-14 02:32:59,008 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:32:59,008 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 2 letters. [2019-01-14 02:32:59,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:32:59,009 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 2 letters. Loop has 4 letters. [2019-01-14 02:32:59,009 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:32:59,010 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2019-01-14 02:32:59,012 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:32:59,015 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-01-14 02:32:59,016 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:32:59,016 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:32:59,017 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:32:59,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:32:59,017 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:32:59,017 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:32:59,018 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:32:59,018 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:32:59,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:32:59,018 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:32:59,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:32:59,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:32:59 BoogieIcfgContainer [2019-01-14 02:32:59,024 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:32:59,025 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:32:59,025 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:32:59,025 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:32:59,026 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:32:53" (3/4) ... [2019-01-14 02:32:59,030 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:32:59,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:32:59,031 INFO L168 Benchmark]: Toolchain (without parser) took 6581.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -116.4 MB). Peak memory consumption was 93.9 MB. Max. memory is 11.5 GB. [2019-01-14 02:32:59,032 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:32:59,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:32:59,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:32:59,034 INFO L168 Benchmark]: Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:32:59,035 INFO L168 Benchmark]: RCFGBuilder took 290.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2019-01-14 02:32:59,036 INFO L168 Benchmark]: BuchiAutomizer took 5632.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. [2019-01-14 02:32:59,038 INFO L168 Benchmark]: Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:32:59,044 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 576.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.53 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 290.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5632.29 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.3 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.0 MB). Peak memory consumption was 103.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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[y_ref][y_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. 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: 2 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 10 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital323 mio100 ax105 hnf100 lsp92 ukn60 mio100 lsp37 div100 bol100 ite100 ukn100 eq195 hnf87 smp100 dnf278 smp92 tf100 neg92 sie126 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 8ms 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...