./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec8_product29_true-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/email_spec8_product29_true-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 857026ce61215153df4616619731d0585e234209 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:53:03,339 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:53:03,341 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:53:03,352 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:53:03,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:53:03,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:53:03,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:53:03,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:53:03,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:53:03,359 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:53:03,360 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:53:03,361 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:53:03,361 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:53:03,362 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:53:03,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:53:03,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:53:03,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:53:03,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:53:03,369 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:53:03,371 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:53:03,372 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:53:03,373 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:53:03,376 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:53:03,376 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:53:03,376 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:53:03,377 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:53:03,378 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:53:03,379 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:53:03,380 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:53:03,381 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:53:03,382 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:53:03,382 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:53:03,383 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:53:03,383 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:53:03,384 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:53:03,385 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:53:03,385 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:53:03,414 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:53:03,414 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:53:03,416 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:53:03,416 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:53:03,417 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:53:03,417 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:53:03,417 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:53:03,418 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:53:03,418 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:53:03,418 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:53:03,418 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:53:03,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:53:03,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:53:03,420 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:53:03,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:53:03,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:53:03,421 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:53:03,421 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:53:03,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:53:03,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:53:03,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:53:03,422 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:53:03,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:53:03,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:53:03,423 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:53:03,424 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:53:03,424 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 -> 857026ce61215153df4616619731d0585e234209 [2018-11-28 23:53:03,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:53:03,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:53:03,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:53:03,501 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:53:03,501 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:53:03,502 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec8_product29_true-unreach-call_true-termination.cil.c [2018-11-28 23:53:03,576 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9738d7e/cf2ac6beac8746a18546c54f8a1e4f57/FLAG7283d3d61 [2018-11-28 23:53:04,289 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:53:04,290 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec8_product29_true-unreach-call_true-termination.cil.c [2018-11-28 23:53:04,311 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9738d7e/cf2ac6beac8746a18546c54f8a1e4f57/FLAG7283d3d61 [2018-11-28 23:53:04,432 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b9738d7e/cf2ac6beac8746a18546c54f8a1e4f57 [2018-11-28 23:53:04,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:53:04,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:53:04,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:53:04,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:53:04,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:53:04,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:53:04" (1/1) ... [2018-11-28 23:53:04,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f31aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:04, skipping insertion in model container [2018-11-28 23:53:04,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:53:04" (1/1) ... [2018-11-28 23:53:04,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:53:04,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:53:05,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:53:05,234 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:53:05,494 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:53:05,592 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:53:05,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05 WrapperNode [2018-11-28 23:53:05,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:53:05,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:53:05,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:53:05,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:53:05,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,793 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:53:05,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:53:05,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:53:05,794 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:53:05,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,837 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:05,973 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... [2018-11-28 23:53:06,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:53:06,002 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:53:06,002 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:53:06,002 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:53:06,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:53:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:53:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:53:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:53:06,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:53:11,769 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:53:11,770 INFO L280 CfgBuilder]: Removed 617 assue(true) statements. [2018-11-28 23:53:11,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:11 BoogieIcfgContainer [2018-11-28 23:53:11,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:53:11,772 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:53:11,772 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:53:11,776 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:53:11,777 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:11,778 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:53:04" (1/3) ... [2018-11-28 23:53:11,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13fe34ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:53:11, skipping insertion in model container [2018-11-28 23:53:11,780 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:11,780 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:53:05" (2/3) ... [2018-11-28 23:53:11,781 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13fe34ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:53:11, skipping insertion in model container [2018-11-28 23:53:11,782 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:53:11,782 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:11" (3/3) ... [2018-11-28 23:53:11,784 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec8_product29_true-unreach-call_true-termination.cil.c [2018-11-28 23:53:11,843 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:53:11,844 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:53:11,844 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:53:11,844 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:53:11,845 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:53:11,845 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:53:11,845 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:53:11,845 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:53:11,845 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:53:11,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 998 states. [2018-11-28 23:53:11,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:53:11,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:11,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:11,979 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:11,979 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:53:11,979 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:53:11,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 998 states. [2018-11-28 23:53:11,994 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:53:11,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:11,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:11,998 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:11,998 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:53:12,006 INFO L794 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~__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.alloc(10);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(12);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(10);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(18);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(16);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(16);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(25);~in_encrypted~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(17);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(17);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(13);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(17);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(115, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string88.base, #t~string88.offset := #Ultimate.alloc(10);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(34);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(30);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(16);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string119.base, #t~string119.offset := #Ultimate.alloc(44);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(44);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(9);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(11);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(19);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string138.base, #t~string138.offset, 1);call write~init~int(100, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(10, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string141.base, #t~string141.offset, 1);call write~init~int(100, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(10, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);~__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; 256#L-1true havoc main_#res;havoc main_#t~nondet132, main_#t~ret133, main_~retValue_acc~26, main_~tmp~20;main_~retValue_acc~26 := main_#t~nondet132;havoc main_#t~nondet132;havoc main_~tmp~20; 185#L487true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 815#L495true main_#t~ret133 := valid_product_#res;main_~tmp~20 := main_#t~ret133;havoc main_#t~ret133; 136#L1829true assume 0 != main_~tmp~20;havoc setup_#t~nondet127, setup_#t~nondet129, setup_#t~nondet131, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 394#L3013true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 219#L3019-2true 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; 132#L2578true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 982#L2584-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127;~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; 385#L3013-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 224#L3019-5true 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; 134#L2578-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 948#L2584-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string128.base, #t~string128.offset;havoc setup_#t~nondet129;~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; 389#L3013-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 198#L3019-8true 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; 117#L2578-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 968#L2584-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string130.base, #t~string130.offset;havoc setup_#t~nondet131; 821#L1816true havoc test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, 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~9, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, 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~9;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;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; 98#L1260-1true [2018-11-28 23:53:12,006 INFO L796 eck$LassoCheckResult]: Loop: 98#L1260-1true assume !false; 626#L1115true assume test_~splverifierCounter~0 < 4; 486#L1116true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 255#L1122true assume !(0 == test_~op1~0); 610#L1135true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet78;havoc test_#t~nondet78; 433#L1140true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 98#L1260-1true [2018-11-28 23:53:12,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:12,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:53:12,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:12,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:12,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:12,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:12,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:12,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:12,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:53:12,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:53:12,431 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:53:12,431 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:12,431 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:53:12,431 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:12,432 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:12,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:12,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:12,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:12,589 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:12,591 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:12,591 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:12,591 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:12,591 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:53:12,592 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:12,592 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:12,592 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:12,592 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product29_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:53:12,592 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:12,592 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:12,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:12,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:12,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:12,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:12,906 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:53:13,303 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:13,304 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 [2018-11-28 23:53:13,319 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:53:13,320 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2018-11-28 23:53:13,367 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:53:13,367 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:53:13,377 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:53:13,395 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:13,395 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:13,395 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:13,395 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:13,395 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:53:13,395 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:13,395 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:13,396 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:13,396 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product29_true-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:53:13,396 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:13,396 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:13,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:13,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:13,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:13,619 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:13,787 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:53:14,147 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:53:14,229 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:14,236 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:53:14,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:53:14,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:53:14,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:53:14,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:53:14,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:53:14,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:53:14,246 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:53:14,246 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:53:14,252 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:53:14,259 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:53:14,259 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:53:14,262 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:53:14,262 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:53:14,263 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:53:14,264 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:53:14,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:53:14,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:14,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:14,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:14,925 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:53:14,927 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 998 states. Second operand 4 states. [2018-11-28 23:53:15,404 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 998 states.. Second operand 4 states. Result 4624 states and 8064 transitions. Complement of second has 7 states. [2018-11-28 23:53:15,405 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 [2018-11-28 23:53:15,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:53:15,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4680 transitions. [2018-11-28 23:53:15,418 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:53:15,420 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:15,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:53:15,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:15,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4680 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:53:15,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:15,425 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4624 states and 8064 transitions. [2018-11-28 23:53:15,489 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2018-11-28 23:53:15,507 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4624 states to 1035 states and 1896 transitions. [2018-11-28 23:53:15,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2018-11-28 23:53:15,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2018-11-28 23:53:15,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2018-11-28 23:53:15,516 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:53:15,516 INFO L705 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2018-11-28 23:53:15,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2018-11-28 23:53:15,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2018-11-28 23:53:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-11-28 23:53:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2018-11-28 23:53:15,592 INFO L728 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2018-11-28 23:53:15,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:53:15,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:53:15,599 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2018-11-28 23:53:15,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:53:15,848 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2018-11-28 23:53:15,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:53:15,849 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2018-11-28 23:53:15,861 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2018-11-28 23:53:15,873 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2018-11-28 23:53:15,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2018-11-28 23:53:15,875 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2018-11-28 23:53:15,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2018-11-28 23:53:15,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:53:15,876 INFO L705 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2018-11-28 23:53:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2018-11-28 23:53:15,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2018-11-28 23:53:15,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-28 23:53:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2018-11-28 23:53:15,896 INFO L728 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 23:53:15,896 INFO L608 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2018-11-28 23:53:15,896 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:53:15,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2018-11-28 23:53:15,901 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2018-11-28 23:53:15,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:53:15,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:53:15,903 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] [2018-11-28 23:53:15,904 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:53:15,904 INFO L794 eck$LassoCheckResult]: Stem: 7622#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[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;~__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.alloc(10);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(12);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(10);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(18);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(16);call #t~string17.base, #t~string17.offset := #Ultimate.alloc(21);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(16);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(25);~in_encrypted~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(17);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(17);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(13);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(17);~head~0.base, ~head~0.offset := 0, 0;call #t~string58.base, #t~string58.offset := #Ultimate.alloc(30);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(9);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(21);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(30);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(9);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(25);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(30);call #t~string71.base, #t~string71.offset := #Ultimate.alloc(9);call #t~string72.base, #t~string72.offset := #Ultimate.alloc(25);call #t~string75.base, #t~string75.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(115, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string88.base, #t~string88.offset := #Ultimate.alloc(10);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(34);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(30);call #t~string102.base, #t~string102.offset := #Ultimate.alloc(16);call #t~string110.base, #t~string110.offset := #Ultimate.alloc(20);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string119.base, #t~string119.offset := #Ultimate.alloc(44);call #t~string124.base, #t~string124.offset := #Ultimate.alloc(44);call #t~string126.base, #t~string126.offset := #Ultimate.alloc(9);call #t~string128.base, #t~string128.offset := #Ultimate.alloc(9);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(11);call #t~string135.base, #t~string135.offset := #Ultimate.alloc(19);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string138.base, #t~string138.offset, 1);call write~init~int(100, #t~string138.base, 1 + #t~string138.offset, 1);call write~init~int(10, #t~string138.base, 2 + #t~string138.offset, 1);call write~init~int(0, #t~string138.base, 3 + #t~string138.offset, 1);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string141.base, #t~string141.offset, 1);call write~init~int(100, #t~string141.base, 1 + #t~string141.offset, 1);call write~init~int(10, #t~string141.base, 2 + #t~string141.offset, 1);call write~init~int(0, #t~string141.base, 3 + #t~string141.offset, 1);~__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; 7344#L-1 havoc main_#res;havoc main_#t~nondet132, main_#t~ret133, main_~retValue_acc~26, main_~tmp~20;main_~retValue_acc~26 := main_#t~nondet132;havoc main_#t~nondet132;havoc main_~tmp~20; 7345#L487 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 7669#L495 main_#t~ret133 := valid_product_#res;main_~tmp~20 := main_#t~ret133;havoc main_#t~ret133; 7670#L1829 assume 0 != main_~tmp~20;havoc setup_#t~nondet127, setup_#t~nondet129, setup_#t~nondet131, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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; 7765#L3013 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7722#L3019-2 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; 7762#L2578 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7338#L2584-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127;~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; 7751#L3013-2 assume !(1 == setClientId_~handle); 7726#L3016-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7727#L3019-5 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; 7766#L2578-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7713#L2584-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string128.base, #t~string128.offset;havoc setup_#t~nondet129;~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; 7755#L3013-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7679#L3019-8 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; 7752#L2578-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7729#L2584-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string130.base, #t~string130.offset;havoc setup_#t~nondet131; 7680#L1816 havoc test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_#t~nondet86, test_#t~nondet87, 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~9, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, 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~9;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;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; 7681#L1260-1 assume !false; 7704#L1115 [2018-11-28 23:53:15,904 INFO L796 eck$LassoCheckResult]: Loop: 7704#L1115 assume test_~splverifierCounter~0 < 4; 7410#L1116 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7309#L1122 assume !(0 == test_~op1~0); 7311#L1135 assume !(0 == test_~op2~0); 7785#L1146 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet79;havoc test_#t~nondet79; 7604#L1151 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7605#L2578-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7734#L2584-11 test_~op3~0 := 1; 7386#L1260-1 assume !false; 7704#L1115 [2018-11-28 23:53:15,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:15,905 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:53:15,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:15,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:15,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:15,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:15,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:16,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:16,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:53:16,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:53:16,206 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:53:16,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:16,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:53:16,210 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:53:16,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:53:16,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:16,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:53:16,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:53:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:53:16,390 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:53:16,518 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:53:16,521 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:16,521 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:16,521 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:16,521 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:16,521 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:53:16,521 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:16,522 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:16,522 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:16,522 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product29_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:53:16,522 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:16,522 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:16,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,574 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:16,929 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 23:53:17,129 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:53:17,132 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:17,132 INFO L412 LassoAnalysis]: Checking for nontermination... 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) [2018-11-28 23:53:17,144 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:53:17,145 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:17,160 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:53:17,161 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:17,306 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:53:17,307 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:53:17,411 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:53:17,411 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:17,471 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:53:17,474 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:53:17,474 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:53:17,474 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:53:17,474 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:53:17,474 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:53:17,474 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:53:17,475 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:53:17,475 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:53:17,475 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec8_product29_true-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:53:17,475 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:53:17,475 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:53:17,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:53:17,728 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:53:18,010 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:53:18,011 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:53:18,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:53:18,012 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:53:18,012 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:53:18,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:53:18,013 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:53:18,013 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:53:18,013 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:53:18,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:53:18,021 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:53:18,025 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:53:18,025 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:53:18,025 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:53:18,025 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:53:18,026 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:53:18,026 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:53:18,026 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:53:18,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:53:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:18,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:18,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:53:18,466 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:53:18,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:53:18,810 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 [2018-11-28 23:53:18,810 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2018-11-28 23:53:18,912 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2018-11-28 23:53:18,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:53:18,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:53:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2018-11-28 23:53:18,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:53:18,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:18,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:53:18,917 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:18,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:53:18,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:53:18,922 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2018-11-28 23:53:18,933 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:18,933 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2018-11-28 23:53:18,933 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:18,934 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:18,934 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:18,934 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:18,934 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:18,934 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:18,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:53:18,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:53:18,936 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:53:18,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:53:18,936 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:53:18,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:53:18,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:53:18,937 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:18,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:53:18,937 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:53:18,937 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:53:18,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:53:18,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:53:18,940 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:18,940 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:18,940 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:53:18,940 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:53:18,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:53:18,942 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:53:18,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:53:18,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:53:18 BoogieIcfgContainer [2018-11-28 23:53:18,951 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:53:18,951 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:53:18,952 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:53:18,952 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:53:18,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:53:11" (3/4) ... [2018-11-28 23:53:18,958 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:53:18,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:53:18,959 INFO L168 Benchmark]: Toolchain (without parser) took 14523.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 296.7 MB). Free memory was 940.6 MB in the beginning and 1.2 GB in the end (delta: -255.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:18,960 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:18,961 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1156.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:18,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:18,966 INFO L168 Benchmark]: Boogie Preprocessor took 207.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:18,967 INFO L168 Benchmark]: RCFGBuilder took 5768.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -61.3 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:53:18,968 INFO L168 Benchmark]: BuchiAutomizer took 7179.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:18,969 INFO L168 Benchmark]: Witness Printer took 6.62 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:53:18,980 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1156.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 199.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 207.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 5768.50 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 99.6 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -61.3 MB). Peak memory consumption was 284.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7179.41 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 79.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -94.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.62 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.4s. Construction of modules took 0.3s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4914 SDtfs, 4420 SDslu, 6461 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...