./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-libowfat/strcpy_small_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-libowfat/strcpy_small_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 aa04dbf87ae0cd79c6119a8423e5cd762ca238bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:17:58,547 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:17:58,549 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:17:58,563 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:17:58,565 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:17:58,567 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:17:58,569 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:17:58,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:17:58,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:17:58,581 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:17:58,584 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:17:58,585 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:17:58,586 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:17:58,589 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:17:58,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:17:58,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:17:58,602 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:17:58,608 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:17:58,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:17:58,614 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:17:58,615 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:17:58,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:17:58,623 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:17:58,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:17:58,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:17:58,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:17:58,628 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:17:58,631 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:17:58,633 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:17:58,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:17:58,637 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:17:58,638 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:17:58,640 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:17:58,640 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:17:58,641 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:17:58,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:17:58,642 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:17:58,678 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:17:58,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:17:58,680 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:17:58,680 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:17:58,680 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:17:58,682 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:17:58,682 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:17:58,683 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:17:58,683 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:17:58,683 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:17:58,683 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:17:58,683 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:17:58,684 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:17:58,684 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:17:58,684 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:17:58,685 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:17:58,685 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:17:58,685 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:17:58,686 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:17:58,686 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:17:58,686 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:17:58,686 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:17:58,686 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:17:58,689 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:17:58,689 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:17:58,690 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:17:58,690 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:17:58,690 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:17:58,691 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:17:58,692 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 -> aa04dbf87ae0cd79c6119a8423e5cd762ca238bc [2018-11-28 23:17:58,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:17:58,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:17:58,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:17:58,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:17:58,784 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:17:58,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-libowfat/strcpy_small_true-termination.c.i [2018-11-28 23:17:58,864 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30f9ecd/ca1aeeab57cd4f50a7845521cd34afb7/FLAG4770a5e81 [2018-11-28 23:17:59,385 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:17:59,387 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-libowfat/strcpy_small_true-termination.c.i [2018-11-28 23:17:59,401 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30f9ecd/ca1aeeab57cd4f50a7845521cd34afb7/FLAG4770a5e81 [2018-11-28 23:17:59,660 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe30f9ecd/ca1aeeab57cd4f50a7845521cd34afb7 [2018-11-28 23:17:59,663 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:17:59,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:17:59,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:59,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:17:59,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:17:59,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:59" (1/1) ... [2018-11-28 23:17:59,674 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 11:17:59, skipping insertion in model container [2018-11-28 23:17:59,675 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:59" (1/1) ... [2018-11-28 23:17:59,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:17:59,731 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:18:00,131 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:00,145 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:18:00,200 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:18:00,362 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:18:00,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00 WrapperNode [2018-11-28 23:18:00,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:18:00,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:00,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:18:00,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:18:00,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,421 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:18:00,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:18:00,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:18:00,421 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:18:00,431 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... [2018-11-28 23:18:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:18:00,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:18:00,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:18:00,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:18:00,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:18:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:18:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 23:18:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 23:18:00,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 23:18:00,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:18:00,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:18:00,892 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:18:00,892 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:18:00,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:00 BoogieIcfgContainer [2018-11-28 23:18:00,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:18:00,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:18:00,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:18:00,898 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:18:00,899 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:00,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:59" (1/3) ... [2018-11-28 23:18:00,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41243bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:00, skipping insertion in model container [2018-11-28 23:18:00,900 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:00,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:00" (2/3) ... [2018-11-28 23:18:00,901 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41243bbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:18:00, skipping insertion in model container [2018-11-28 23:18:00,901 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:18:00,901 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:00" (3/3) ... [2018-11-28 23:18:00,903 INFO L375 chiAutomizerObserver]: Analyzing ICFG strcpy_small_true-termination.c.i [2018-11-28 23:18:00,967 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:18:00,968 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:18:00,968 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:18:00,968 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:18:00,968 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:18:00,969 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:18:00,970 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:18:00,970 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:18:00,970 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:18:00,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:18:01,006 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:18:01,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:01,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:01,012 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:18:01,013 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:18:01,013 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:18:01,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-28 23:18:01,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 23:18:01,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:18:01,014 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:18:01,015 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2018-11-28 23:18:01,015 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 23:18:01,022 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 3#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~in_len~0, main_~in~0.base, main_~in~0.offset, main_~out_len~0, main_~out~0.base, main_~out~0.offset;main_~in_len~0 := main_#t~nondet5;havoc main_#t~nondet5; 10#L513true assume !(main_~in_len~0 < 1);call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.alloc(main_~in_len~0);main_~in~0.base, main_~in~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(0, main_~in~0.base, main_~in~0.offset + (main_~in_len~0 - 1), 1);main_~out_len~0 := main_#t~nondet7;havoc main_#t~nondet7; 13#L517true assume !(main_~out_len~0 < main_~in_len~0);call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~out_len~0);main_~out~0.base, main_~out~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;strcpy_#in~s1.base, strcpy_#in~s1.offset, strcpy_#in~s2.base, strcpy_#in~s2.offset := main_~out~0.base, main_~out~0.offset, main_~in~0.base, main_~in~0.offset;havoc strcpy_#res.base, strcpy_#res.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset, strcpy_#t~post3.base, strcpy_#t~post3.offset, strcpy_#t~mem4, strcpy_~s1.base, strcpy_~s1.offset, strcpy_~s2.base, strcpy_~s2.offset, strcpy_~res~0.base, strcpy_~res~0.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#in~s1.base, strcpy_#in~s1.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#in~s2.base, strcpy_#in~s2.offset;strcpy_~res~0.base, strcpy_~res~0.offset := strcpy_~s1.base, strcpy_~s1.offset; 4#L508-3true [2018-11-28 23:18:01,022 INFO L796 eck$LassoCheckResult]: Loop: 4#L508-3true strcpy_#t~post2.base, strcpy_#t~post2.offset := strcpy_~s1.base, strcpy_~s1.offset;strcpy_~s1.base, strcpy_~s1.offset := strcpy_#t~post2.base, 1 + strcpy_#t~post2.offset;strcpy_#t~post3.base, strcpy_#t~post3.offset := strcpy_~s2.base, strcpy_~s2.offset;strcpy_~s2.base, strcpy_~s2.offset := strcpy_#t~post3.base, 1 + strcpy_#t~post3.offset;call strcpy_#t~mem4 := read~int(strcpy_#t~post3.base, strcpy_#t~post3.offset, 1);call write~int(strcpy_#t~mem4, strcpy_#t~post2.base, strcpy_#t~post2.offset, 1); 11#L508-1true assume !!(0 != strcpy_#t~mem4);havoc strcpy_#t~mem4;havoc strcpy_#t~post3.base, strcpy_#t~post3.offset;havoc strcpy_#t~post2.base, strcpy_#t~post2.offset; 4#L508-3true [2018-11-28 23:18:01,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:01,028 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-28 23:18:01,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:01,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:01,077 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:01,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:01,177 INFO L82 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 1 times [2018-11-28 23:18:01,177 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:01,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:01,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:01,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:01,202 INFO L82 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2018-11-28 23:18:01,202 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:18:01,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:18:01,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:18:01,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:18:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:18:01,471 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-11-28 23:18:01,723 WARN L180 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-11-28 23:18:02,399 WARN L180 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2018-11-28 23:18:02,687 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-11-28 23:18:02,709 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:18:02,710 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:18:02,710 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:18:02,710 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:18:02,712 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:18:02,712 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:18:02,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:18:02,712 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:18:02,713 INFO L131 ssoRankerPreferences]: Filename of dumped script: strcpy_small_true-termination.c.i_Iteration1_Lasso [2018-11-28 23:18:02,713 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:18:02,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:18:02,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,807 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,829 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:02,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:03,324 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 65 [2018-11-28 23:18:03,487 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2018-11-28 23:18:03,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:03,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:03,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:18:03,688 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-28 23:18:04,092 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-11-28 23:18:04,308 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:18:04,314 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:18:04,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,321 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,324 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,326 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,327 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,328 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,328 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,329 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,334 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,337 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,338 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,340 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,340 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,341 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,345 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,346 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,351 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,353 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,354 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,354 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,359 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:04,359 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:04,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,368 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,369 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,369 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,371 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 [2018-11-28 23:18:04,372 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,372 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,373 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,374 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,375 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,379 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,379 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:18:04,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,381 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:18:04,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:18:04,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,385 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,386 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,389 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:04,389 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:04,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:18:04,395 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:18:04,396 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:18:04,396 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:18:04,396 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:18:04,396 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:18:04,410 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:18:04,410 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:18:04,572 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:18:04,640 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2018-11-28 23:18:04,640 INFO L444 ModelExtractionUtils]: 43 out of 49 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-28 23:18:04,643 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:18:04,645 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-28 23:18:04,645 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:18:04,646 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcpy_~s1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1) = -1*ULTIMATE.start_strcpy_~s1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8.base)_1 Supporting invariants [] [2018-11-28 23:18:04,739 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2018-11-28 23:18:04,751 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2018-11-28 23:18:04,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:18:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:04,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:18:04,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:18:04,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:18:04,941 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 23:18:04,942 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2018-11-28 23:18:05,055 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 25 transitions. Complement of second has 6 states. [2018-11-28 23:18:05,056 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 23:18:05,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-28 23:18:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2018-11-28 23:18:05,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2018-11-28 23:18:05,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:05,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 6 letters. Loop has 2 letters. [2018-11-28 23:18:05,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:05,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 4 letters. Loop has 4 letters. [2018-11-28 23:18:05,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:18:05,065 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2018-11-28 23:18:05,069 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:05,072 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2018-11-28 23:18:05,074 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:18:05,074 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:18:05,075 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:18:05,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:18:05,076 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:05,076 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:05,077 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:18:05,077 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:18:05,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:18:05,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:18:05,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:18:05,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:18:05 BoogieIcfgContainer [2018-11-28 23:18:05,111 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:18:05,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:18:05,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:18:05,113 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:18:05,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:00" (3/4) ... [2018-11-28 23:18:05,118 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:18:05,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:18:05,120 INFO L168 Benchmark]: Toolchain (without parser) took 5455.91 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 218.6 MB). Free memory was 947.3 MB in the beginning and 1.2 GB in the end (delta: -254.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:05,121 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:18:05,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:05,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:05,125 INFO L168 Benchmark]: Boogie Preprocessor took 30.69 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 23:18:05,126 INFO L168 Benchmark]: RCFGBuilder took 441.36 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:05,127 INFO L168 Benchmark]: BuchiAutomizer took 4216.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.7 MB). Peak memory consumption was 317.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:05,128 INFO L168 Benchmark]: Witness Printer took 7.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:18:05,135 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 697.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 441.36 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: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4216.97 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -100.7 MB). Peak memory consumption was 317.8 MB. Max. memory is 11.5 GB. * Witness Printer took 7.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. 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 -1 * s1 + unknown-#length-unknown[__builtin_alloca (out_len)] and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. 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: 11 SDtfs, 10 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: inital195 mio100 ax100 hnf98 lsp96 ukn91 mio100 lsp49 div100 bol100 ite100 ukn100 eq198 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 11ms 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...