./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-memory-alloca/cstrcpy-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/cstrcpy-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 97e7f2a31b1436c24cde90c969263f12d5fe3e2e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:20:14,487 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:20:14,489 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:20:14,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:20:14,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:20:14,508 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:20:14,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:20:14,516 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:20:14,521 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:20:14,522 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:20:14,523 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:20:14,523 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:20:14,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:20:14,527 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:20:14,528 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:20:14,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:20:14,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:20:14,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:20:14,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:20:14,549 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:20:14,551 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:20:14,552 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:20:14,556 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:20:14,557 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:20:14,557 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:20:14,559 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:20:14,561 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:20:14,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:20:14,565 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:20:14,566 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:20:14,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:20:14,569 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:20:14,569 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:20:14,569 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:20:14,572 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:20:14,573 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:20:14,574 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:20:14,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:20:14,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:20:14,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:20:14,608 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:20:14,608 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:20:14,608 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:20:14,608 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:20:14,608 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:20:14,608 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:20:14,609 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:20:14,609 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:20:14,609 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:20:14,609 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:20:14,609 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:20:14,610 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:20:14,610 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:20:14,611 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:20:14,612 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:20:14,612 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:20:14,612 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:20:14,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:20:14,612 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:20:14,612 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:20:14,615 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:20:14,615 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 -> 97e7f2a31b1436c24cde90c969263f12d5fe3e2e [2018-11-28 23:20:14,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:20:14,702 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:20:14,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:20:14,711 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:20:14,711 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:20:14,712 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-memory-alloca/cstrcpy-alloca_true-termination.c.i [2018-11-28 23:20:14,781 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2e2de5a/62dee97d30b3419e868b9d8c79a7a043/FLAGde53733b3 [2018-11-28 23:20:15,325 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:20:15,327 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-memory-alloca/cstrcpy-alloca_true-termination.c.i [2018-11-28 23:20:15,339 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2e2de5a/62dee97d30b3419e868b9d8c79a7a043/FLAGde53733b3 [2018-11-28 23:20:15,604 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d2e2de5a/62dee97d30b3419e868b9d8c79a7a043 [2018-11-28 23:20:15,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:20:15,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:20:15,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:20:15,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:20:15,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:20:15,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:15" (1/1) ... [2018-11-28 23:20:15,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5503ad97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:15, skipping insertion in model container [2018-11-28 23:20:15,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:20:15" (1/1) ... [2018-11-28 23:20:15,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:20:15,683 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:20:16,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:20:16,082 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:20:16,156 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:20:16,308 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:20:16,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16 WrapperNode [2018-11-28 23:20:16,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:20:16,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:20:16,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:20:16,310 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:20:16,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:20:16,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:20:16,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:20:16,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:20:16,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,383 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (1/1) ... [2018-11-28 23:20:16,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:20:16,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:20:16,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:20:16,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:20:16,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (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 23:20:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:20:16,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:20:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:20:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:20:16,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:20:16,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:20:16,833 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:20:16,833 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:20:16,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:16 BoogieIcfgContainer [2018-11-28 23:20:16,834 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:20:16,835 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:20:16,835 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:20:16,839 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:20:16,840 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:20:16,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:20:15" (1/3) ... [2018-11-28 23:20:16,841 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73aa0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:20:16, skipping insertion in model container [2018-11-28 23:20:16,841 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:20:16,841 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:20:16" (2/3) ... [2018-11-28 23:20:16,842 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73aa0f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:20:16, skipping insertion in model container [2018-11-28 23:20:16,842 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:20:16,842 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:16" (3/3) ... [2018-11-28 23:20:16,844 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy-alloca_true-termination.c.i [2018-11-28 23:20:16,906 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:20:16,907 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:20:16,907 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:20:16,907 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:20:16,908 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:20:16,908 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:20:16,908 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:20:16,908 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:20:16,908 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:20:16,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:20:16,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:20:16,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:20:16,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:20:16,953 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:20:16,954 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:20:16,954 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:20:16,954 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states. [2018-11-28 23:20:16,955 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:20:16,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:20:16,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:20:16,956 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2018-11-28 23:20:16,956 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:20:16,965 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~length2~0 := main_#t~nondet6;havoc main_#t~nondet6; 7#L558true assume !(main_~length1~0 < 1); 10#L558-2true assume !(main_~length2~0 < 1); 13#L561-1true assume !(main_~length1~0 < main_~length2~0);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.alloc(main_~length1~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~length2~0);main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1), 1);cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, cstrcpy_#t~mem4, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 4#L551-3true [2018-11-28 23:20:16,965 INFO L796 eck$LassoCheckResult]: Loop: 4#L551-3true cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post2.base, 1 + cstrcpy_#t~post2.offset;cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post3.base, 1 + cstrcpy_#t~post3.offset;call cstrcpy_#t~mem4 := read~int(cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset, 1);call write~int(cstrcpy_#t~mem4, cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset, 1); 12#L551-1true assume !!(0 != cstrcpy_#t~mem4);havoc cstrcpy_#t~post2.base, cstrcpy_#t~post2.offset;havoc cstrcpy_#t~post3.base, cstrcpy_#t~post3.offset;havoc cstrcpy_#t~mem4; 4#L551-3true [2018-11-28 23:20:16,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:20:16,972 INFO L82 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2018-11-28 23:20:16,974 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:20:16,975 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:20:17,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:20:17,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:20:17,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1734, now seen corresponding path program 1 times [2018-11-28 23:20:17,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:20:17,140 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:20:17,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:20:17,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:20:17,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939599, now seen corresponding path program 1 times [2018-11-28 23:20:17,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:20:17,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:20:17,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:20:17,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:20:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:20:17,469 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:20:17,631 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-28 23:20:18,457 WARN L180 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 84 [2018-11-28 23:20:18,765 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2018-11-28 23:20:18,788 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:20:18,789 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:20:18,789 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:20:18,790 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:20:18,790 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:20:18,790 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:20:18,790 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:20:18,790 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:20:18,791 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:20:18,792 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:20:18,792 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:20:18,826 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 23:20:18,854 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 23:20:18,859 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 23:20:18,865 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 23:20:18,867 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 23:20:18,870 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 23:20:18,878 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 23:20:18,899 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 23:20:18,922 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 23:20:18,933 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 23:20:18,944 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 23:20:18,949 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 23:20:18,951 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 23:20:18,958 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 23:20:18,961 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 23:20:18,964 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 23:20:19,417 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 70 [2018-11-28 23:20:19,637 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-28 23:20:19,638 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 23:20:19,649 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 23:20:20,115 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2018-11-28 23:20:20,266 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:20:20,702 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:20:20,708 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:20:20,711 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 23:20:20,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,717 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,717 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,722 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 23:20:20,722 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,723 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,724 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,725 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,726 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,727 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 23:20:20,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,728 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,729 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,730 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,732 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 23:20:20,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,734 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,735 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,735 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,736 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,737 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 23:20:20,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,739 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,739 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,742 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 23:20:20,743 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,744 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,747 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,747 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,752 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 23:20:20,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,754 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,755 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,755 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,757 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,758 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 23:20:20,759 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,760 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,763 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,764 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,771 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 23:20:20,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,773 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,776 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,777 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,783 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 23:20:20,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,784 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,787 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,789 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 23:20:20,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,790 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,794 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,794 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,799 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 23:20:20,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,805 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 23:20:20,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,806 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,811 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 23:20:20,811 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,820 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,820 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 23:20:20,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,826 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,827 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,827 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:20:20,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,833 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 23:20:20,833 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,836 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,845 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,845 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,861 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 23:20:20,862 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,862 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-28 23:20:20,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,863 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,874 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:20:20,874 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,914 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 23:20:20,917 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,919 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,921 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,921 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,933 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,933 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 23:20:20,934 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,934 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:20:20,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,937 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:20:20,937 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,938 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:20:20,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:20:20,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,943 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 23:20:20,944 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,944 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,946 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,946 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,950 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 23:20:20,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,951 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,951 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,953 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,953 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:20,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:20,982 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 23:20:20,983 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:20,983 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:20,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:20,985 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:20,987 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:20,988 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:21,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:20:21,020 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 23:20:21,021 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:20:21,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:20:21,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:20:21,022 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:20:21,028 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:20:21,028 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:20:21,167 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:20:21,226 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2018-11-28 23:20:21,226 INFO L444 ModelExtractionUtils]: 41 out of 49 variables were initially zero. Simplification set additionally 5 variables to zero. [2018-11-28 23:20:21,229 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:20:21,231 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:20:21,232 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:20:21,232 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1, ULTIMATE.start_cstrcpy_~src~0.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc7.base)_1 - 1*ULTIMATE.start_cstrcpy_~src~0.offset Supporting invariants [] [2018-11-28 23:20:21,408 INFO L297 tatePredicateManager]: 11 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 23:20:21,430 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:20:21,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:20:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:20:21,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:20:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:20:21,532 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:20:21,621 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 23:20:21,635 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:20:21,637 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states. Second operand 3 states. [2018-11-28 23:20:21,743 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states.. Second operand 3 states. Result 24 states and 27 transitions. Complement of second has 6 states. [2018-11-28 23:20:21,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-28 23:20:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:20:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2018-11-28 23:20:21,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 2 letters. [2018-11-28 23:20:21,749 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:20:21,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 7 letters. Loop has 2 letters. [2018-11-28 23:20:21,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:20:21,750 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 4 letters. [2018-11-28 23:20:21,750 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:20:21,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 27 transitions. [2018-11-28 23:20:21,756 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:20:21,759 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2018-11-28 23:20:21,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:20:21,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:20:21,761 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:20:21,761 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:20:21,762 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:20:21,762 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:20:21,762 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:20:21,762 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:20:21,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:20:21,762 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:20:21,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:20:21,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:20:21 BoogieIcfgContainer [2018-11-28 23:20:21,769 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:20:21,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:20:21,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:20:21,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:20:21,771 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:20:16" (3/4) ... [2018-11-28 23:20:21,774 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:20:21,774 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:20:21,775 INFO L168 Benchmark]: Toolchain (without parser) took 6167.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 204.5 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:20:21,776 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:20:21,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 698.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:20:21,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.74 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 23:20:21,778 INFO L168 Benchmark]: Boogie Preprocessor took 31.48 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 23:20:21,779 INFO L168 Benchmark]: RCFGBuilder took 445.00 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:20:21,780 INFO L168 Benchmark]: BuchiAutomizer took 4934.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:20:21,781 INFO L168 Benchmark]: Witness Printer took 5.07 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. [2018-11-28 23:20:21,785 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 698.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -145.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.74 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. * Boogie Preprocessor took 31.48 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 445.00 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: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4934.16 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 87.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -59.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.07 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 #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * src and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 12 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital202 mio100 ax108 hnf99 lsp89 ukn92 mio100 lsp48 div100 bol100 ite100 ukn100 eq196 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...