./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b2d654b7b73105d319f19561f723c76c3f2a6a70 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:58:18,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:58:18,388 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:58:18,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:58:18,400 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:58:18,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:58:18,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:58:18,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:58:18,407 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:58:18,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:58:18,410 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:58:18,411 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:58:18,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:58:18,412 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:58:18,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:58:18,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:58:18,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:58:18,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:58:18,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:58:18,435 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:58:18,437 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:58:18,438 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:58:18,440 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:58:18,440 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:58:18,440 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:58:18,441 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:58:18,442 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:58:18,443 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:58:18,443 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:58:18,444 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:58:18,445 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:58:18,445 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:58:18,445 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:58:18,446 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:58:18,446 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:58:18,447 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:58:18,447 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:58:18,466 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:58:18,467 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:58:18,468 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:58:18,468 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:58:18,468 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:58:18,468 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:58:18,469 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:58:18,469 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:58:18,469 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:58:18,469 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:58:18,469 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:58:18,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:58:18,470 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:58:18,470 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:58:18,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:58:18,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:58:18,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:58:18,471 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:58:18,472 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:58:18,472 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:58:18,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:58:18,472 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:58:18,472 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:58:18,472 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:58:18,473 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:58:18,473 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:58:18,474 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:58:18,474 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2d654b7b73105d319f19561f723c76c3f2a6a70 [2019-01-14 04:58:18,523 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:58:18,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:58:18,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:58:18,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:58:18,548 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:58:18,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:58:18,614 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3549af3f/ed02ba4394f14ee3bddc6440be735148/FLAG8c3ed8991 [2019-01-14 04:58:19,142 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:58:19,144 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:58:19,155 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3549af3f/ed02ba4394f14ee3bddc6440be735148/FLAG8c3ed8991 [2019-01-14 04:58:19,439 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3549af3f/ed02ba4394f14ee3bddc6440be735148 [2019-01-14 04:58:19,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:58:19,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:58:19,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:58:19,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:58:19,450 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:58:19,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:58:19" (1/1) ... [2019-01-14 04:58:19,454 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dc44fd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:19, skipping insertion in model container [2019-01-14 04:58:19,454 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:58:19" (1/1) ... [2019-01-14 04:58:19,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:58:19,517 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:58:19,885 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:58:19,897 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:58:19,943 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:58:19,999 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:58:20,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20 WrapperNode [2019-01-14 04:58:20,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:58:20,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:58:20,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:58:20,002 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:58:20,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:58:20,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:58:20,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:58:20,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:58:20,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... [2019-01-14 04:58:20,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:58:20,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:58:20,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:58:20,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:58:20,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:58:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 04:58:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 04:58:20,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:58:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 04:58:20,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:58:20,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:58:20,670 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:58:20,670 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 04:58:20,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:58:20 BoogieIcfgContainer [2019-01-14 04:58:20,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:58:20,673 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:58:20,673 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:58:20,677 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:58:20,678 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:58:20,679 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:58:19" (1/3) ... [2019-01-14 04:58:20,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67dd8653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:58:20, skipping insertion in model container [2019-01-14 04:58:20,680 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:58:20,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:58:20" (2/3) ... [2019-01-14 04:58:20,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67dd8653 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:58:20, skipping insertion in model container [2019-01-14 04:58:20,681 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:58:20,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:58:20" (3/3) ... [2019-01-14 04:58:20,684 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2019-01-14 04:58:20,739 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:58:20,740 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:58:20,740 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:58:20,741 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:58:20,742 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:58:20,742 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:58:20,742 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:58:20,742 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:58:20,743 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:58:20,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-01-14 04:58:20,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-01-14 04:58:20,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:58:20,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:58:20,788 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:58:20,789 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 04:58:20,789 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:58:20,789 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states. [2019-01-14 04:58:20,792 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2019-01-14 04:58:20,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:58:20,792 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:58:20,793 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:58:20,793 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-01-14 04:58:20,802 INFO L794 eck$LassoCheckResult]: Stem: 13#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 12#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~malloc13.base, main_#t~malloc13.offset, main_#t~malloc14.base, main_#t~malloc14.offset, main_#t~nondet15, main_#t~ret16, main_~length1~0, main_~length2~0, main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset;main_~length1~0 := main_#t~nondet11;havoc main_#t~nondet11;main_~length2~0 := main_#t~nondet12;havoc main_#t~nondet12; 6#L556true assume !(main_~length1~0 < 1); 9#L556-2true assume !(main_~length2~0 < 1); 4#L559-1true call main_#t~malloc13.base, main_#t~malloc13.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc13.base, main_#t~malloc13.offset;call main_#t~malloc14.base, main_#t~malloc14.offset := #Ultimate.allocOnStack(main_~length2~0);main_~nondetString2~0.base, main_~nondetString2~0.offset := main_#t~malloc14.base, main_#t~malloc14.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);call write~int(0, main_~nondetString2~0.base, main_~nondetString2~0.offset + (main_~length2~0 - 1), 1);cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset, cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset, cstrncmp_#in~n := main_~nondetString1~0.base, main_~nondetString1~0.offset, main_~nondetString2~0.base, main_~nondetString2~0.offset, main_#t~nondet15;havoc cstrncmp_#res;havoc cstrncmp_#t~mem4, cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset, cstrncmp_#t~mem5, cstrncmp_#t~mem7, cstrncmp_#t~pre6.base, cstrncmp_#t~pre6.offset, cstrncmp_#t~mem8, cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, cstrncmp_#t~mem10, cstrncmp_#t~pre2, cstrncmp_~s1.base, cstrncmp_~s1.offset, cstrncmp_~s2.base, cstrncmp_~s2.offset, cstrncmp_~n;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#in~s1.base, cstrncmp_#in~s1.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#in~s2.base, cstrncmp_#in~s2.offset;cstrncmp_~n := cstrncmp_#in~n; 10#L543true assume !(0 == cstrncmp_~n % 4294967296); 14#L545-4true [2019-01-14 04:58:20,808 INFO L796 eck$LassoCheckResult]: Loop: 14#L545-4true call cstrncmp_#t~mem4 := read~int(cstrncmp_~s1.base, cstrncmp_~s1.offset, 1);cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset := cstrncmp_~s2.base, cstrncmp_~s2.offset;cstrncmp_~s2.base, cstrncmp_~s2.offset := cstrncmp_#t~post3.base, 1 + cstrncmp_#t~post3.offset;call cstrncmp_#t~mem5 := read~int(cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset, 1); 5#L546true assume !(cstrncmp_#t~mem4 != cstrncmp_#t~mem5);havoc cstrncmp_#t~mem4;havoc cstrncmp_#t~post3.base, cstrncmp_#t~post3.offset;havoc cstrncmp_#t~mem5;cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset := cstrncmp_~s1.base, cstrncmp_~s1.offset;cstrncmp_~s1.base, cstrncmp_~s1.offset := cstrncmp_#t~post9.base, 1 + cstrncmp_#t~post9.offset;call cstrncmp_#t~mem10 := read~int(cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset, 1); 3#L548true assume !(0 == cstrncmp_#t~mem10);havoc cstrncmp_#t~mem10;havoc cstrncmp_#t~post9.base, cstrncmp_#t~post9.offset; 8#L545-1true cstrncmp_#t~pre2 := cstrncmp_~n - 1;cstrncmp_~n := cstrncmp_~n - 1; 11#L545-2true assume !!(0 != cstrncmp_#t~pre2 % 4294967296);havoc cstrncmp_#t~pre2; 14#L545-4true [2019-01-14 04:58:20,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:58:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash 889572238, now seen corresponding path program 1 times [2019-01-14 04:58:20,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:58:20,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:58:20,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:20,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:58:20,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:21,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:58:21,019 INFO L82 PathProgramCache]: Analyzing trace with hash 51691425, now seen corresponding path program 1 times [2019-01-14 04:58:21,020 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:58:21,020 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:58:21,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:21,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:58:21,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:21,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:58:21,061 INFO L82 PathProgramCache]: Analyzing trace with hash -2121194444, now seen corresponding path program 1 times [2019-01-14 04:58:21,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:58:21,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:58:21,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:21,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:58:21,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:58:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:58:21,677 WARN L181 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 64 [2019-01-14 04:58:21,868 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2019-01-14 04:58:22,652 WARN L181 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 92 [2019-01-14 04:58:22,848 WARN L181 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-01-14 04:58:22,863 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:58:22,864 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:58:22,864 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:58:22,864 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:58:22,864 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:58:22,865 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:58:22,865 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:58:22,865 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:58:22,865 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_Iteration1_Lasso [2019-01-14 04:58:22,865 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:58:22,866 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:58:22,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:22,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,500 WARN L181 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-01-14 04:58:23,683 WARN L181 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 56 [2019-01-14 04:58:23,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:23,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:58:24,939 WARN L181 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-01-14 04:58:25,034 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:58:25,039 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:58:25,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,043 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,043 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,044 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,046 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,046 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,049 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,049 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,049 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,050 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,050 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,050 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,051 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,052 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,052 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,055 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:58:25,055 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:58:25,058 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,059 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,059 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,059 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,060 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,060 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,060 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,065 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,069 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,069 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,069 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,070 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,070 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,071 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,071 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,071 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,072 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,073 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,073 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,074 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,076 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:58:25,076 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:58:25,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,080 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,080 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,081 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,081 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,082 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,083 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,083 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,083 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,083 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,084 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,084 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,085 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,086 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,086 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,087 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,089 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,089 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,090 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,090 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,090 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,091 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,092 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,092 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,092 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,092 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,092 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,093 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,093 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,094 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,094 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,095 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,095 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,095 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,095 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,095 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,096 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,097 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,099 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,100 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,100 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,101 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,105 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,106 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,106 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,109 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,111 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,111 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,112 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,114 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,114 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:58:25,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:58:25,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,117 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:58:25,120 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,121 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 04:58:25,121 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:58:25,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:58:25,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:58:25,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:58:25,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:58:25,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:58:25,138 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:58:25,157 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-14 04:58:25,157 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-14 04:58:25,222 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:58:25,270 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2019-01-14 04:58:25,271 INFO L444 ModelExtractionUtils]: 33 out of 40 variables were initially zero. Simplification set additionally 4 variables to zero. [2019-01-14 04:58:25,273 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:58:25,275 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-01-14 04:58:25,277 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:58:25,277 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncmp_~s2.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1) = -1*ULTIMATE.start_cstrncmp_~s2.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc14.base)_1 Supporting invariants [] [2019-01-14 04:58:25,593 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2019-01-14 04:58:25,603 WARN L1298 BoogieBacktranslator]: unknown boogie variable #length [2019-01-14 04:58:25,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:58:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:58:25,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:58:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:58:25,700 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:58:25,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:58:25,775 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2019-01-14 04:58:25,776 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states. Second operand 4 states. [2019-01-14 04:58:25,877 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states.. Second operand 4 states. Result 33 states and 39 transitions. Complement of second has 7 states. [2019-01-14 04:58:25,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-14 04:58:25,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 04:58:25,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2019-01-14 04:58:25,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 5 letters. [2019-01-14 04:58:25,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:58:25,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 11 letters. Loop has 5 letters. [2019-01-14 04:58:25,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:58:25,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 10 letters. [2019-01-14 04:58:25,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:58:25,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 39 transitions. [2019-01-14 04:58:25,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:58:25,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-01-14 04:58:25,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:58:25,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:58:25,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:58:25,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:58:25,893 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:58:25,893 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:58:25,893 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:58:25,893 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:58:25,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:58:25,894 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:58:25,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:58:25,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:58:25 BoogieIcfgContainer [2019-01-14 04:58:25,901 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:58:25,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:58:25,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:58:25,902 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:58:25,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:58:20" (3/4) ... [2019-01-14 04:58:25,906 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:58:25,906 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:58:25,907 INFO L168 Benchmark]: Toolchain (without parser) took 6462.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -92.9 MB). Peak memory consumption was 98.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:58:25,908 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:58:25,909 INFO L168 Benchmark]: CACSL2BoogieTranslator took 554.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-01-14 04:58:25,909 INFO L168 Benchmark]: Boogie Procedure Inliner took 120.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-01-14 04:58:25,910 INFO L168 Benchmark]: Boogie Preprocessor took 50.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:58:25,911 INFO L168 Benchmark]: RCFGBuilder took 499.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-01-14 04:58:25,912 INFO L168 Benchmark]: BuchiAutomizer took 5227.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.6 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:58:25,913 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:58:25,918 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 554.30 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 929.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 120.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 929.9 MB in the beginning and 1.1 GB in the end (delta: -173.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.85 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 499.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5227.77 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 40.6 MB). Peak memory consumption was 109.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 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 -1 * s2 + unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. 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: 17 SDtfs, 17 SDslu, 13 SDs, 0 SdLazy, 12 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital239 mio100 ax100 hnf99 lsp86 ukn85 mio100 lsp42 div140 bol100 ite100 ukn100 eq154 hnf78 smp100 dnf187 smp97 tf100 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms 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...