./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product28_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product28_true-unreach-call_true-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/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 32bit --witnessprinter.graph.data.programhash c155eed8904feb91bc357673889a45f80c4d03bf ......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:50:42,434 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:50:42,435 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:50:42,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:50:42,443 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:50:42,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:50:42,444 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:50:42,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:50:42,445 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:50:42,446 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:50:42,446 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:50:42,447 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:50:42,447 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:50:42,448 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:50:42,449 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:50:42,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:50:42,450 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:50:42,451 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:50:42,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:50:42,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:50:42,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:50:42,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:50:42,456 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:50:42,456 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:50:42,457 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:50:42,457 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:50:42,458 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:50:42,458 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:50:42,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:50:42,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:50:42,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:50:42,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:50:42,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:50:42,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:50:42,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:50:42,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:50:42,462 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:50:42,470 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:50:42,470 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:50:42,471 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:50:42,471 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:50:42,472 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:50:42,472 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:50:42,472 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:50:42,473 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:50:42,473 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:50:42,474 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:50:42,475 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:50:42,475 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:50:42,475 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:50:42,475 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:50:42,475 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:50:42,475 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:50:42,475 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:50:42,476 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:50:42,476 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:50:42,476 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_2d213753-f770-4a52-bec0-1b2037c3f875/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c155eed8904feb91bc357673889a45f80c4d03bf [2018-11-18 09:50:42,498 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:50:42,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:50:42,509 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:50:42,510 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:50:42,510 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:50:42,510 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_product28_true-unreach-call_true-termination.cil.c [2018-11-18 09:50:42,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/data/ae65525e5/65d7e0c9b838400aa5348a624d93eef1/FLAG88da1cf2e [2018-11-18 09:50:43,014 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:50:43,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/sv-benchmarks/c/product-lines/email_spec4_product28_true-unreach-call_true-termination.cil.c [2018-11-18 09:50:43,028 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/data/ae65525e5/65d7e0c9b838400aa5348a624d93eef1/FLAG88da1cf2e [2018-11-18 09:50:43,525 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/data/ae65525e5/65d7e0c9b838400aa5348a624d93eef1 [2018-11-18 09:50:43,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:50:43,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:50:43,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:50:43,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:50:43,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:50:43,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:50:43" (1/1) ... [2018-11-18 09:50:43,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc66501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:43, skipping insertion in model container [2018-11-18 09:50:43,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:50:43" (1/1) ... [2018-11-18 09:50:43,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:50:43,587 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:50:43,922 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:50:43,932 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:50:44,067 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:50:44,102 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:50:44,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44 WrapperNode [2018-11-18 09:50:44,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:50:44,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:50:44,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:50:44,103 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:50:44,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:50:44,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:50:44,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:50:44,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:50:44,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... [2018-11-18 09:50:44,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:50:44,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:50:44,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:50:44,244 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:50:44,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/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 [2018-11-18 09:50:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:50:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-18 09:50:44,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:50:44,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:50:45,561 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:50:45,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:50:45 BoogieIcfgContainer [2018-11-18 09:50:45,562 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:50:45,563 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:50:45,563 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:50:45,566 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:50:45,567 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:50:45,567 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:50:43" (1/3) ... [2018-11-18 09:50:45,568 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dae555e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:50:45, skipping insertion in model container [2018-11-18 09:50:45,568 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:50:45,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:50:44" (2/3) ... [2018-11-18 09:50:45,569 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1dae555e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:50:45, skipping insertion in model container [2018-11-18 09:50:45,569 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:50:45,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:50:45" (3/3) ... [2018-11-18 09:50:45,571 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec4_product28_true-unreach-call_true-termination.cil.c [2018-11-18 09:50:45,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:50:45,620 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:50:45,620 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:50:45,620 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:50:45,620 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:50:45,620 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:50:45,620 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:50:45,621 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:50:45,636 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:50:45,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states. [2018-11-18 09:50:45,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2018-11-18 09:50:45,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:50:45,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:50:45,700 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:50:45,701 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:50:45,701 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:50:45,701 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 520 states. [2018-11-18 09:50:45,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2018-11-18 09:50:45,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:50:45,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:50:45,710 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:50:45,711 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:50:45,716 INFO L794 eck$LassoCheckResult]: Stem: 357#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(10);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(16);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(20);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string24.base,#t~string24.offset := 37];#memory_int := #memory_int[#t~string24.base,1 + #t~string24.offset := 115];#memory_int := #memory_int[#t~string24.base,2 + #t~string24.offset := 10];#memory_int := #memory_int[#t~string24.base,3 + #t~string24.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(10);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(12);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(10);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(18);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(16);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(21);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(16);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(44);call #t~string73.base, #t~string73.offset := #Ultimate.alloc(44);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(9);call #t~string77.base, #t~string77.offset := #Ultimate.alloc(9);call #t~string79.base, #t~string79.offset := #Ultimate.alloc(11);call #t~string84.base, #t~string84.offset := #Ultimate.alloc(19);call #t~string87.base, #t~string87.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string87.base,#t~string87.offset := 37];#memory_int := #memory_int[#t~string87.base,1 + #t~string87.offset := 100];#memory_int := #memory_int[#t~string87.base,2 + #t~string87.offset := 10];#memory_int := #memory_int[#t~string87.base,3 + #t~string87.offset := 0];call #t~string90.base, #t~string90.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string90.base,#t~string90.offset := 37];#memory_int := #memory_int[#t~string90.base,1 + #t~string90.offset := 100];#memory_int := #memory_int[#t~string90.base,2 + #t~string90.offset := 10];#memory_int := #memory_int[#t~string90.base,3 + #t~string90.offset := 0];call #t~string97.base, #t~string97.offset := #Ultimate.alloc(13);call #t~string119.base, #t~string119.offset := #Ultimate.alloc(30);call #t~string120.base, #t~string120.offset := #Ultimate.alloc(9);call #t~string121.base, #t~string121.offset := #Ultimate.alloc(21);call #t~string122.base, #t~string122.offset := #Ultimate.alloc(30);call #t~string123.base, #t~string123.offset := #Ultimate.alloc(9);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(21);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(30);call #t~string129.base, #t~string129.offset := #Ultimate.alloc(9);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(25);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(30);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(9);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 249#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet81, main_#t~ret82, main_~retValue_acc~40, main_~tmp~17;main_~retValue_acc~40 := main_#t~nondet81;havoc main_#t~nondet81;havoc main_~tmp~17;assume { :begin_inline_select_helpers } true; 288#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 243#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 434#L83true main_#t~ret82 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~17 := main_#t~ret82;havoc main_#t~ret82; 130#L2435true assume 0 != main_~tmp~17;assume { :begin_inline_setup } true;havoc setup_#t~nondet76, setup_#t~nondet78, setup_#t~nondet80, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;assume { :begin_inline_setClientId } true;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 123#L2141true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 348#L2147-2true assume { :end_inline_setClientId } true; 359#L2312true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 395#L1706true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 82#L1712-2true assume { :end_inline_setClientPrivateKey } true; 355#L2323true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string75.base, #t~string75.offset;havoc setup_#t~nondet76;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;assume { :begin_inline_setClientId } true;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 124#L2141-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 324#L2147-5true assume { :end_inline_setClientId } true; 256#L2333true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 381#L1706-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 91#L1712-5true assume { :end_inline_setClientPrivateKey } true; 254#L2344true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string77.base, #t~string77.offset;havoc setup_#t~nondet78;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;assume { :begin_inline_setClientId } true;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 115#L2141-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 332#L2147-8true assume { :end_inline_setClientId } true; 289#L2354true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 386#L1706-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 76#L1712-8true assume { :end_inline_setClientPrivateKey } true; 290#L2365true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string79.base, #t~string79.offset;havoc setup_#t~nondet80; 369#L2422true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 437#L1052-1true [2018-11-18 09:50:45,716 INFO L796 eck$LassoCheckResult]: Loop: 437#L1052-1true assume true; 433#L909-1true assume !false; 402#L910true assume test_~splverifierCounter~0 < 4; 494#L911true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 200#L917true assume !(0 == test_~op1~0); 119#L930true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet27;havoc test_#t~nondet27; 397#L935true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 437#L1052-1true [2018-11-18 09:50:45,721 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:50:45,721 INFO L82 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2018-11-18 09:50:45,723 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:50:45,724 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:50:45,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:50:45,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:50:45,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:50:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:50:45,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:50:45,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:50:45,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:50:45,919 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 09:50:45,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:50:45,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1283580310, now seen corresponding path program 1 times [2018-11-18 09:50:45,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:50:45,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:50:45,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:50:45,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:50:45,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:50:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:50:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:50:46,005 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:50:46,007 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:50:46,007 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:50:46,007 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:50:46,007 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:50:46,007 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:50:46,007 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:50:46,007 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:50:46,008 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product28_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 09:50:46,008 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:50:46,008 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:50:46,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,135 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:50:46,136 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:50:46,142 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:50:46,142 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2d213753-f770-4a52-bec0-1b2037c3f875/bin-2019/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:50:46,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:50:46,171 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:50:46,199 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 09:50:46,200 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:50:46,200 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:50:46,201 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:50:46,201 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:50:46,201 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:50:46,201 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:50:46,201 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:50:46,201 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:50:46,201 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product28_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-18 09:50:46,201 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:50:46,201 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:50:46,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:50:46,287 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:50:46,292 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:50:46,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:50:46,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:50:46,294 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:50:46,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:50:46,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:50:46,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:50:46,297 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:50:46,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:50:46,301 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 09:50:46,304 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 09:50:46,304 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-18 09:50:46,306 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 09:50:46,306 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 09:50:46,307 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 09:50:46,307 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-18 09:50:46,308 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 09:50:46,340 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:50:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:50:46,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:50:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:50:46,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:50:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:50:46,520 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 [2018-11-18 09:50:46,521 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 520 states. Second operand 5 states. [2018-11-18 09:50:46,645 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 520 states.. Second operand 5 states. Result 1270 states and 2133 transitions. Complement of second has 7 states. [2018-11-18 09:50:46,646 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 [2018-11-18 09:50:46,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 09:50:46,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1312 transitions. [2018-11-18 09:50:46,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1312 transitions. Stem has 25 letters. Loop has 7 letters. [2018-11-18 09:50:46,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 09:50:46,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1312 transitions. Stem has 32 letters. Loop has 7 letters. [2018-11-18 09:50:46,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 09:50:46,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1312 transitions. Stem has 25 letters. Loop has 14 letters. [2018-11-18 09:50:46,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 09:50:46,654 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 2133 transitions. [2018-11-18 09:50:46,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 09:50:46,670 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 0 states and 0 transitions. [2018-11-18 09:50:46,671 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 09:50:46,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 09:50:46,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 09:50:46,672 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:50:46,672 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:50:46,672 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:50:46,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:50:46,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:50:46,676 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2018-11-18 09:50:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:50:46,679 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-18 09:50:46,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:50:46,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 09:50:46,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 09:50:46,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 09:50:46,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 09:50:46,680 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:50:46,680 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 09:50:46,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:50:46,681 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 09:50:46,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 09:50:46,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:50:46 BoogieIcfgContainer [2018-11-18 09:50:46,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:50:46,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:50:46,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:50:46,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:50:46,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:50:45" (3/4) ... [2018-11-18 09:50:46,690 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:50:46,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:50:46,691 INFO L168 Benchmark]: Toolchain (without parser) took 3163.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.6 MB in the beginning and 978.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 112.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:46,692 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:50:46,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:46,693 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.51 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:46,694 INFO L168 Benchmark]: Boogie Preprocessor took 61.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:46,694 INFO L168 Benchmark]: RCFGBuilder took 1318.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:50:46,695 INFO L168 Benchmark]: BuchiAutomizer took 1123.28 ms. Allocated memory is still 1.2 GB. Free memory was 872.0 MB in the beginning and 978.8 MB in the end (delta: -106.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:50:46,695 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 978.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:50:46,698 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 574.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.51 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1318.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.0 MB in the end (delta: 208.8 MB). Peak memory consumption was 208.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1123.28 ms. Allocated memory is still 1.2 GB. Free memory was 872.0 MB in the beginning and 978.8 MB in the end (delta: -106.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.2 GB. Free memory is still 978.8 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 874 SDtfs, 875 SDslu, 1630 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq170 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...