./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec27_product32_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec27_product32_false-unreach-call_true-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad544fb7b9752e5480e579641e9fd3df2a83bf9c ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 04:09:00,371 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:09:00,373 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:09:00,387 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:09:00,387 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:09:00,388 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:09:00,389 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:09:00,400 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:09:00,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:09:00,403 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:09:00,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:09:00,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:09:00,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:09:00,406 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:09:00,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:09:00,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:09:00,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:09:00,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:09:00,414 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:09:00,416 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:09:00,417 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:09:00,419 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:09:00,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:09:00,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:09:00,422 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:09:00,423 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:09:00,424 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:09:00,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:09:00,426 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:09:00,427 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:09:00,428 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:09:00,428 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:09:00,429 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:09:00,429 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:09:00,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:09:00,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:09:00,432 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:09:00,452 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:09:00,455 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:09:00,456 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:09:00,456 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:09:00,457 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:09:00,457 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:09:00,458 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:09:00,458 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:09:00,458 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:09:00,458 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:09:00,458 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:09:00,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:09:00,461 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:09:00,461 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:09:00,461 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:09:00,461 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:09:00,461 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:09:00,462 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:09:00,463 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:09:00,463 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:09:00,463 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:09:00,463 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:09:00,463 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:09:00,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:09:00,467 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:09:00,467 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:09:00,468 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:09:00,468 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad544fb7b9752e5480e579641e9fd3df2a83bf9c [2019-01-14 04:09:00,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:09:00,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:09:00,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:09:00,525 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:09:00,525 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:09:00,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec27_product32_false-unreach-call_true-termination.cil.c [2019-01-14 04:09:00,581 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf367732/8622e42e56194fb6a167c93497c30bb4/FLAGece1c2d92 [2019-01-14 04:09:01,226 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:09:01,227 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec27_product32_false-unreach-call_true-termination.cil.c [2019-01-14 04:09:01,256 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf367732/8622e42e56194fb6a167c93497c30bb4/FLAGece1c2d92 [2019-01-14 04:09:01,409 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bf367732/8622e42e56194fb6a167c93497c30bb4 [2019-01-14 04:09:01,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:09:01,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:09:01,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:09:01,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:09:01,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:09:01,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:09:01" (1/1) ... [2019-01-14 04:09:01,425 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16b00c64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:01, skipping insertion in model container [2019-01-14 04:09:01,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:09:01" (1/1) ... [2019-01-14 04:09:01,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:09:01,528 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:09:02,214 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:09:02,232 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:09:02,431 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:09:02,524 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:09:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02 WrapperNode [2019-01-14 04:09:02,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:09:02,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:09:02,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:09:02,527 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:09:02,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:09:02,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:09:02,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:09:02,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:09:02,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... [2019-01-14 04:09:02,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:09:02,916 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:09:02,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:09:02,916 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:09:02,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:09:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-14 04:09:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:09:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:09:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:09:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:09:08,525 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:09:08,526 INFO L286 CfgBuilder]: Removed 693 assue(true) statements. [2019-01-14 04:09:08,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:09:08 BoogieIcfgContainer [2019-01-14 04:09:08,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:09:08,529 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:09:08,529 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:09:08,533 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:09:08,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:09:08,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:09:01" (1/3) ... [2019-01-14 04:09:08,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1363e9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:09:08, skipping insertion in model container [2019-01-14 04:09:08,535 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:09:08,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:09:02" (2/3) ... [2019-01-14 04:09:08,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1363e9e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:09:08, skipping insertion in model container [2019-01-14 04:09:08,536 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:09:08,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:09:08" (3/3) ... [2019-01-14 04:09:08,538 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec27_product32_false-unreach-call_true-termination.cil.c [2019-01-14 04:09:08,591 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:09:08,591 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:09:08,591 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:09:08,592 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:09:08,592 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:09:08,592 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:09:08,592 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:09:08,592 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:09:08,592 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:09:08,632 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1128 states. [2019-01-14 04:09:08,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-14 04:09:08,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:09:08,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:09:08,720 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:09:08,721 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:09:08,721 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:09:08,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1128 states. [2019-01-14 04:09:08,736 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-01-14 04:09:08,736 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:09:08,736 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:09:08,739 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:09:08,740 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:09:08,747 INFO L794 eck$LassoCheckResult]: Stem: 385#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~__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;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(16);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(44);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(44);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(11);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(19);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string62.base, #t~string62.offset, 1);call write~init~int(100, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(10, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string65.base, #t~string65.offset, 1);call write~init~int(100, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(10, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(34);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(16);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(20);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(22);~__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;call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(12);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(10);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(18);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(21);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(13);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(16);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(25); 305#L-1true havoc main_#res;havoc main_#t~ret57, main_~retValue_acc~21, main_~tmp~7;havoc main_~retValue_acc~21;havoc main_~tmp~7; 906#L2698true havoc valid_product_#res;havoc valid_product_~retValue_acc~39;havoc valid_product_~retValue_acc~39;valid_product_~retValue_acc~39 := 1;valid_product_#res := valid_product_~retValue_acc~39; 484#L2706true main_#t~ret57 := valid_product_#res;main_~tmp~7 := main_#t~ret57;havoc main_#t~ret57; 172#L1719true assume 0 != main_~tmp~7;havoc setup_#t~nondet52, setup_#t~nondet54, setup_#t~nondet56, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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;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; 201#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 985#L1108-2true 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; 1021#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 701#L673-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string51.base, #t~string51.offset;havoc setup_#t~nondet52;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;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;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; 203#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 994#L1108-5true 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; 1016#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 686#L673-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string53.base, #t~string53.offset;havoc setup_#t~nondet54;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;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;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; 205#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 972#L1108-8true 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; 1017#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 671#L673-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string55.base, #t~string55.offset;havoc setup_#t~nondet56; 953#L1706true havoc test_#t~nondet137, test_#t~nondet138, test_#t~nondet139, test_#t~nondet140, test_#t~nondet141, test_#t~nondet142, test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, 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~25, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, 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~25;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;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; 435#L3035-1true [2019-01-14 04:09:08,747 INFO L796 eck$LassoCheckResult]: Loop: 435#L3035-1true assume !false; 279#L2887true assume test_~splverifierCounter~0 < 4; 61#L2888true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 874#L2894true assume !(0 == test_~op1~0); 363#L2907true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet138;havoc test_#t~nondet138; 111#L2912true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 50#L620true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 868#L626-2true test_~op2~0 := 1; 435#L3035-1true [2019-01-14 04:09:08,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:09:08,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-14 04:09:08,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:09:08,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:09:08,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:09:08,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:09:08,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:09:08,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:09:09,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:09:09,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:09:09,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:09:09,197 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-14 04:09:09,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:09:09,198 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-01-14 04:09:09,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:09:09,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:09:09,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:09:09,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:09:09,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:09:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:09:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:09:09,513 WARN L181 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2019-01-14 04:09:09,619 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:09:09,620 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:09:09,620 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:09:09,621 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:09:09,621 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 04:09:09,621 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:09:09,622 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:09:09,622 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:09:09,622 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product32_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:09:09,622 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:09:09,623 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:09:09,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:09,910 WARN L181 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:09:10,156 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:09:10,330 WARN L181 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-14 04:09:10,567 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:09:10,568 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 04:09:10,575 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:09:10,575 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:09:10,586 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 04:09:10,586 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___8~0=3, ULTIMATE.start_test_#t~nondet138=3} Honda state: {ULTIMATE.start_test_~tmp___8~0=3, ULTIMATE.start_test_#t~nondet138=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-14 04:09:10,619 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 04:09:10,619 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:09:10,653 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 04:09:10,653 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 04:09:10,702 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 04:09:10,712 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 04:09:10,712 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 04:09:10,712 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 04:09:10,712 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 04:09:10,713 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 04:09:10,713 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 04:09:10,713 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 04:09:10,713 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 04:09:10,713 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec27_product32_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-14 04:09:10,713 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 04:09:10,713 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 04:09:10,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:10,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:10,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:10,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:11,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:11,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 04:09:11,360 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-14 04:09:11,595 WARN L181 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 04:09:11,710 WARN L181 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-14 04:09:11,803 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 04:09:11,809 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 04:09:11,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:09:11,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:09:11,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:09:11,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:09:11,813 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-14 04:09:11,813 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:09:11,816 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-14 04:09:11,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:09:11,825 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 04:09:11,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 04:09:11,826 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 04:09:11,826 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 04:09:11,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 04:09:11,826 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 04:09:11,827 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 04:09:11,827 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 04:09:11,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 04:09:11,832 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 04:09:11,836 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 04:09:11,837 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 04:09:11,839 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 04:09:11,839 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 04:09:11,839 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 04:09:11,840 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-14 04:09:11,841 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 04:09:11,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:09:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:09:12,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:09:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:09:12,127 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 04:09:12,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:09:12,520 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 [2019-01-14 04:09:12,521 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1128 states. Second operand 5 states. [2019-01-14 04:09:13,001 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1128 states.. Second operand 5 states. Result 3075 states and 5376 transitions. Complement of second has 7 states. [2019-01-14 04:09:13,002 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 [2019-01-14 04:09:13,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-01-14 04:09:13,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3447 transitions. [2019-01-14 04:09:13,016 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3447 transitions. Stem has 18 letters. Loop has 8 letters. [2019-01-14 04:09:13,018 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:09:13,018 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3447 transitions. Stem has 26 letters. Loop has 8 letters. [2019-01-14 04:09:13,019 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:09:13,020 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3447 transitions. Stem has 18 letters. Loop has 16 letters. [2019-01-14 04:09:13,021 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 04:09:13,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3075 states and 5376 transitions. [2019-01-14 04:09:13,069 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:09:13,074 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3075 states to 0 states and 0 transitions. [2019-01-14 04:09:13,075 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:09:13,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:09:13,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:09:13,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:09:13,078 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:09:13,078 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:09:13,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:09:13,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:09:13,085 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-14 04:09:13,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:09:13,089 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 04:09:13,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 04:09:13,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 04:09:13,091 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:09:13,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 04:09:13,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 04:09:13,092 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 04:09:13,092 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 04:09:13,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:09:13,093 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:09:13,093 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:09:13,093 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 04:09:13,093 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:09:13,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 04:09:13,093 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 04:09:13,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 04:09:13,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:09:13 BoogieIcfgContainer [2019-01-14 04:09:13,109 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:09:13,110 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:09:13,110 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:09:13,111 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:09:13,112 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:09:08" (3/4) ... [2019-01-14 04:09:13,117 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 04:09:13,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:09:13,118 INFO L168 Benchmark]: Toolchain (without parser) took 11703.44 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 242.2 MB). Free memory was 948.7 MB in the beginning and 851.5 MB in the end (delta: 97.2 MB). Peak memory consumption was 339.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,122 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:09:13,124 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1108.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,128 INFO L168 Benchmark]: Boogie Procedure Inliner took 209.12 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,130 INFO L168 Benchmark]: Boogie Preprocessor took 179.49 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,134 INFO L168 Benchmark]: RCFGBuilder took 5613.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.4 MB). Peak memory consumption was 275.3 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,137 INFO L168 Benchmark]: BuchiAutomizer took 4579.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 851.5 MB in the end (delta: 226.8 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:09:13,138 INFO L168 Benchmark]: Witness Printer took 7.43 ms. Allocated memory is still 1.3 GB. Free memory is still 851.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:09:13,146 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1108.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -154.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 209.12 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 179.49 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: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5613.04 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 97.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -15.4 MB). Peak memory consumption was 275.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4579.98 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 851.5 MB in the end (delta: 226.8 MB). Peak memory consumption was 226.8 MB. Max. memory is 11.5 GB. * Witness Printer took 7.43 ms. Allocated memory is still 1.3 GB. Free memory is still 851.5 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 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. 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: 1974 SDtfs, 1974 SDslu, 3844 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...