./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer --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 587c6ddef36e305e9365400029fae893a4e27009 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:13,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:13,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:13,331 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:13,332 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:13,332 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:13,333 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:13,335 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:13,337 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:13,337 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:13,338 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:13,338 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:13,340 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:13,340 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:13,341 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:13,342 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:13,342 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:13,344 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:13,346 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:13,347 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:13,348 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:13,349 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:13,351 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:13,352 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:13,352 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:13,353 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:13,353 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:13,354 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:13,355 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:13,356 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:13,356 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:13,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:13,357 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:13,357 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:13,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:13,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:13,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-10-27 06:06:13,371 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:13,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:13,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:13,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:13,373 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:13,373 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:13,373 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:13,374 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:13,374 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:13,376 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:13,376 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:13,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:13,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:13,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:13,377 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:13,377 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:13,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:13,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:13,377 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:13,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:13,377 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:13,378 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:13,378 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:13,378 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer 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 -> 587c6ddef36e305e9365400029fae893a4e27009 [2018-10-27 06:06:13,406 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:13,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:13,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:13,420 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:13,420 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:13,421 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/../../sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca_true-termination.c.i [2018-10-27 06:06:13,465 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/data/2ad3c2bd9/b73099b2168f4deaaea750f16b9f7759/FLAGf102fb99b [2018-10-27 06:06:13,905 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:13,908 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/sv-benchmarks/c/termination-15/cstrcpy_reverse_alloca_true-termination.c.i [2018-10-27 06:06:13,916 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/data/2ad3c2bd9/b73099b2168f4deaaea750f16b9f7759/FLAGf102fb99b [2018-10-27 06:06:13,927 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/data/2ad3c2bd9/b73099b2168f4deaaea750f16b9f7759 [2018-10-27 06:06:13,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:13,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:13,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:13,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:13,936 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:13,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:13" (1/1) ... [2018-10-27 06:06:13,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b298a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:13, skipping insertion in model container [2018-10-27 06:06:13,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:13" (1/1) ... [2018-10-27 06:06:13,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:13,976 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:14,254 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:14,262 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:14,310 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:14,364 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:14,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14 WrapperNode [2018-10-27 06:06:14,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:14,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:14,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:14,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:14,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:14,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:14,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:14,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:14,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... [2018-10-27 06:06:14,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:14,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:14,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:14,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:14,506 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0146e09e-778d-4e0d-a7ae-d94036319034/bin-2019/uautomizer/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 [2018-10-27 06:06:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-10-27 06:06:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-10-27 06:06:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:14,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:14,981 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:14,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:14 BoogieIcfgContainer [2018-10-27 06:06:14,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:14,983 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:14,983 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:14,987 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:14,988 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:14,988 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:13" (1/3) ... [2018-10-27 06:06:14,989 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e19a016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:14, skipping insertion in model container [2018-10-27 06:06:14,989 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:14,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:14" (2/3) ... [2018-10-27 06:06:14,990 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e19a016 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:14, skipping insertion in model container [2018-10-27 06:06:14,990 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:14,990 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:14" (3/3) ... [2018-10-27 06:06:14,993 INFO L375 chiAutomizerObserver]: Analyzing ICFG cstrcpy_reverse_alloca_true-termination.c.i [2018-10-27 06:06:15,044 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:15,045 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:15,045 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:15,045 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:15,045 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:15,045 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:15,045 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:15,046 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:15,046 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:15,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-10-27 06:06:15,079 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:15,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:15,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:15,086 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:15,086 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:15,086 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:15,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2018-10-27 06:06:15,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2018-10-27 06:06:15,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:15,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:15,089 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 06:06:15,089 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-10-27 06:06:15,097 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet208, main_#t~nondet209, main_#t~malloc210.base, main_#t~malloc210.offset, main_#t~malloc211.base, main_#t~malloc211.offset, main_#t~ret212.base, main_#t~ret212.offset, main_~length1~0, main_~length2~0, main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;main_~length1~0 := main_#t~nondet208;havoc main_#t~nondet208;main_~length2~0 := main_#t~nondet209;havoc main_#t~nondet209; 7#L375true assume !(main_~length1~0 < 1); 10#L375-2true assume !(main_~length2~0 < 1); 4#L378-1true assume !(main_~length1~0 < main_~length2~0);#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length1~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc210.base, main_#t~malloc210.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc210.base, main_#t~malloc210.offset;#Ultimate.alloc_old_#length, #Ultimate.alloc_old_#valid := #length, #valid;assume { :begin_inline_#Ultimate.alloc } true;#Ultimate.alloc_~size := main_~length2~0 * 1;havoc #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;havoc #valid, #length;assume #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base] == 0;assume #valid == #Ultimate.alloc_old_#valid[#Ultimate.alloc_#res.base := 1];assume #Ultimate.alloc_#res.offset == 0;assume #Ultimate.alloc_#res.base != 0;assume #length == #Ultimate.alloc_old_#length[#Ultimate.alloc_#res.base := #Ultimate.alloc_~size];main_#t~malloc211.base, main_#t~malloc211.offset := #Ultimate.alloc_#res.base, #Ultimate.alloc_#res.offset;assume { :end_inline_#Ultimate.alloc } true;main_~nondetString~0.base, main_~nondetString~0.offset := main_#t~malloc211.base, main_#t~malloc211.offset; 9#L384true SUMMARY for call write~int(0, main_~nondetString~0.base, main_~nondetString~0.offset + 0, 1); srcloc: L384 12#L384-1true main_~nondetArea~0.base, main_~nondetArea~0.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset + (main_~length1~0 - 1) * 1;main_~nondetString~0.base, main_~nondetString~0.offset := main_~nondetString~0.base, main_~nondetString~0.offset + (main_~length2~0 - 1) * 1;assume { :begin_inline_cstrcpy } true;cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset, cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~nondetString~0.base, main_~nondetString~0.offset;havoc cstrcpy_#res.base, cstrcpy_#res.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, cstrcpy_#t~mem207, cstrcpy_~s1.base, cstrcpy_~s1.offset, cstrcpy_~s2.base, cstrcpy_~s2.offset, cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset, cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~s1.base, cstrcpy_~s1.offset := cstrcpy_#in~s1.base, cstrcpy_#in~s1.offset;cstrcpy_~s2.base, cstrcpy_~s2.offset := cstrcpy_#in~s2.base, cstrcpy_#in~s2.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_~s1.base, cstrcpy_~s1.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_~s2.base, cstrcpy_~s2.offset; 11#L368-6true [2018-10-27 06:06:15,097 INFO L795 eck$LassoCheckResult]: Loop: 11#L368-6true assume true; 19#L368-1true cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset := cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset;cstrcpy_~dst~0.base, cstrcpy_~dst~0.offset := cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset - 1;cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset := cstrcpy_~src~0.base, cstrcpy_~src~0.offset;cstrcpy_~src~0.base, cstrcpy_~src~0.offset := cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset - 1; 5#L368-2true SUMMARY for call cstrcpy_#t~mem207 := read~int(cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset, 1); srcloc: L368-2 6#L368-3true SUMMARY for call write~int(cstrcpy_#t~mem207, cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset, 1); srcloc: L368-3 8#L368-4true assume !!(cstrcpy_#t~mem207 != 0);havoc cstrcpy_#t~post206.base, cstrcpy_#t~post206.offset;havoc cstrcpy_#t~post205.base, cstrcpy_#t~post205.offset;havoc cstrcpy_#t~mem207; 11#L368-6true [2018-10-27 06:06:15,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:15,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1806939467, now seen corresponding path program 1 times [2018-10-27 06:06:15,107 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:15,108 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:15,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:15,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:15,234 INFO L82 PathProgramCache]: Analyzing trace with hash 52549374, now seen corresponding path program 1 times [2018-10-27 06:06:15,234 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:15,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:15,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:15,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:15,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1253957620, now seen corresponding path program 1 times [2018-10-27 06:06:15,252 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:15,252 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:15,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:15,616 WARN L179 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 06:06:16,544 WARN L179 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 99 [2018-10-27 06:06:16,661 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-27 06:06:16,671 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:16,672 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:16,672 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:16,673 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:16,673 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:16,673 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:16,673 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:16,673 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:16,673 INFO L131 ssoRankerPreferences]: Filename of dumped script: cstrcpy_reverse_alloca_true-termination.c.i_Iteration1_Lasso [2018-10-27 06:06:16,674 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:16,674 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:16,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,751 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:16,771 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:17,231 WARN L179 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 96 [2018-10-27 06:06:17,408 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2018-10-27 06:06:17,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:18,039 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:18,044 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:18,045 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 [2018-10-27 06:06:18,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,046 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,047 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,049 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,049 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,051 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,052 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 [2018-10-27 06:06:18,052 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,053 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,053 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,053 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,054 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,054 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 [2018-10-27 06:06:18,055 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,055 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,057 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,057 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,061 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,061 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 [2018-10-27 06:06:18,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,063 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,064 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,065 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 [2018-10-27 06:06:18,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,066 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,066 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,067 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,067 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 [2018-10-27 06:06:18,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,068 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,069 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,070 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,073 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,073 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 [2018-10-27 06:06:18,074 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,074 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,074 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,074 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,074 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,075 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,075 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,076 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,076 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 [2018-10-27 06:06:18,076 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,077 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,077 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,077 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,078 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,078 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,079 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 [2018-10-27 06:06:18,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,085 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,085 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,086 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,086 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 [2018-10-27 06:06:18,086 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,087 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,087 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,087 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,087 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,088 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,088 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 [2018-10-27 06:06:18,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,089 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,089 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,090 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,090 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 [2018-10-27 06:06:18,090 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,090 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,090 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,090 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,096 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,096 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,096 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,097 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,098 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 [2018-10-27 06:06:18,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,099 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,099 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,099 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,099 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,099 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:18,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,103 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,103 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 [2018-10-27 06:06:18,104 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,104 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,106 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,110 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,128 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,128 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 [2018-10-27 06:06:18,129 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,129 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,131 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,131 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,134 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,135 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 [2018-10-27 06:06:18,135 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,136 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-10-27 06:06:18,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,136 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,144 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-10-27 06:06:18,144 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,179 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,180 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 [2018-10-27 06:06:18,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,181 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,185 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,185 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,201 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,201 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 [2018-10-27 06:06:18,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,202 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,203 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,204 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,208 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,209 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 [2018-10-27 06:06:18,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:18,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,209 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-10-27 06:06:18,209 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,210 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:18,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:18,212 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:18,213 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 [2018-10-27 06:06:18,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:18,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:18,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:18,214 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:18,224 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:18,224 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:18,271 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-10-27 06:06:18,315 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2018-10-27 06:06:18,315 INFO L444 ModelExtractionUtils]: 58 out of 64 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-10-27 06:06:18,317 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-10-27 06:06:18,318 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-10-27 06:06:18,319 INFO L517 LassoAnalysis]: Proved termination. [2018-10-27 06:06:18,320 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrcpy_~src~0.offset) = 2*ULTIMATE.start_cstrcpy_~src~0.offset + 1 Supporting invariants [] [2018-10-27 06:06:18,407 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2018-10-27 06:06:18,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:18,483 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 06:06:18,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 06:06:18,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 06:06:18,632 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2018-10-27 06:06:18,634 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2018-10-27 06:06:18,701 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 36 states and 40 transitions. Complement of second has 7 states. [2018-10-27 06:06:18,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-10-27 06:06:18,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-10-27 06:06:18,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2018-10-27 06:06:18,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 5 letters. [2018-10-27 06:06:18,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 12 letters. Loop has 5 letters. [2018-10-27 06:06:18,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 7 letters. Loop has 10 letters. [2018-10-27 06:06:18,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-10-27 06:06:18,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 40 transitions. [2018-10-27 06:06:18,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:18,714 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2018-10-27 06:06:18,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-10-27 06:06:18,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-10-27 06:06:18,716 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-10-27 06:06:18,716 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-10-27 06:06:18,717 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:18,717 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:18,717 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 06:06:18,717 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-10-27 06:06:18,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-10-27 06:06:18,717 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-10-27 06:06:18,717 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-10-27 06:06:18,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:18 BoogieIcfgContainer [2018-10-27 06:06:18,723 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:18,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:18,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:18,723 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:18,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:14" (3/4) ... [2018-10-27 06:06:18,727 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:18,727 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:18,728 INFO L168 Benchmark]: Toolchain (without parser) took 4796.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 955.8 MB in the beginning and 955.7 MB in the end (delta: 80.5 kB). Peak memory consumption was 159.5 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,729 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:18,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.97 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 923.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,729 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 923.5 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,730 INFO L168 Benchmark]: Boogie Preprocessor took 24.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,731 INFO L168 Benchmark]: RCFGBuilder took 477.06 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,731 INFO L168 Benchmark]: BuchiAutomizer took 3740.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 955.7 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:18,732 INFO L168 Benchmark]: Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 955.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:18,734 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 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 431.97 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 923.5 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 923.5 MB in the beginning and 1.2 GB in the end (delta: -230.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 477.06 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: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3740.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 955.7 MB in the end (delta: 174.0 MB). Peak memory consumption was 174.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.05 ms. Allocated memory is still 1.2 GB. Free memory is still 955.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 2 * src + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. 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: 20 SDtfs, 19 SDslu, 14 SDs, 0 SdLazy, 5 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital215 mio100 ax100 hnf99 lsp97 ukn117 mio100 lsp46 div100 bol100 ite100 ukn100 eq201 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 6 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...