./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/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 ../sv-benchmarks/c/product-lines/email_spec7_product17.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 a64117d05b45ec65bbcc5d7177042eef419c41df ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:24:04,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:04,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:04,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:04,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:04,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:04,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:04,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:04,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:04,697 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:04,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:04,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:04,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:04,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:04,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:04,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:04,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:04,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:04,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:04,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:04,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:04,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:04,715 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:04,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:04,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:04,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:04,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:04,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:04,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:04,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:04,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:04,723 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:04,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:04,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:04,728 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:04,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:04,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:04,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:04,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:04,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:04,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:04,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:04,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:04,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:04,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:04,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:04,760 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:04,760 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:04,760 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:04,761 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:04,761 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:04,761 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:04,761 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:04,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:04,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:04,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:04,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:04,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:04,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:04,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:04,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:04,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:04,765 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:04,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:04,765 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:04,765 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:04,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:04,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:04,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:04,767 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:04,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:04,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:04,768 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:04,769 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:04,769 INFO L138 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 -> a64117d05b45ec65bbcc5d7177042eef419c41df [2019-11-28 03:24:05,128 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:24:05,151 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:24:05,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:24:05,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:24:05,160 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:24:05,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2019-11-28 03:24:05,235 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f18fc5d/3562bc0eefbc4d3d98dbdf0269940afb/FLAG30d9f48fd [2019-11-28 03:24:05,849 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:24:05,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product17.cil.c [2019-11-28 03:24:05,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f18fc5d/3562bc0eefbc4d3d98dbdf0269940afb/FLAG30d9f48fd [2019-11-28 03:24:06,075 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f18fc5d/3562bc0eefbc4d3d98dbdf0269940afb [2019-11-28 03:24:06,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:24:06,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:24:06,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:06,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:24:06,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:24:06,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:06" (1/1) ... [2019-11-28 03:24:06,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f57c6e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:06, skipping insertion in model container [2019-11-28 03:24:06,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:06" (1/1) ... [2019-11-28 03:24:06,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:24:06,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:24:06,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:06,939 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:24:07,057 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:07,134 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:24:07,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07 WrapperNode [2019-11-28 03:24:07,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:07,136 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:07,136 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:24:07,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:24:07,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:07,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:24:07,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:24:07,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:24:07,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... [2019-11-28 03:24:07,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:24:07,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:24:07,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:24:07,437 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:24:07,438 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:24:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:24:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:24:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:24:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:24:09,933 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:24:09,934 INFO L297 CfgBuilder]: Removed 425 assume(true) statements. [2019-11-28 03:24:09,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:09 BoogieIcfgContainer [2019-11-28 03:24:09,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:24:09,936 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:24:09,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:24:09,999 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:24:10,000 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:10,000 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:24:06" (1/3) ... [2019-11-28 03:24:10,002 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a59c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:10, skipping insertion in model container [2019-11-28 03:24:10,002 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:10,002 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:07" (2/3) ... [2019-11-28 03:24:10,003 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a59c028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:10, skipping insertion in model container [2019-11-28 03:24:10,003 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:10,003 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:09" (3/3) ... [2019-11-28 03:24:10,007 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec7_product17.cil.c [2019-11-28 03:24:10,067 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:24:10,067 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:24:10,068 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:24:10,068 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:24:10,068 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:24:10,068 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:24:10,069 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:24:10,069 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:24:10,110 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 674 states. [2019-11-28 03:24:10,202 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:10,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:10,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:10,217 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:10,217 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:10,217 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:24:10,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 674 states. [2019-11-28 03:24:10,225 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:10,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:10,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:10,232 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:10,232 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:10,247 INFO L794 eck$LassoCheckResult]: Stem: 444#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string36.base, #t~string36.offset, 1);call write~init~int(115, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(10, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(16);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(11);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(19);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string92.base, #t~string92.offset, 1);call write~init~int(100, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(10, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 348#L-1true havoc main_#res;havoc main_#t~nondet86, main_#t~ret87, main_~retValue_acc~37, main_~tmp~11;main_~retValue_acc~37 := main_#t~nondet86;havoc main_#t~nondet86;havoc main_~tmp~11; 347#L2069true havoc valid_product_#res;havoc valid_product_~retValue_acc~36;havoc valid_product_~retValue_acc~36;valid_product_~retValue_acc~36 := 1;valid_product_#res := valid_product_~retValue_acc~36; 523#L2077true main_#t~ret87 := valid_product_#res;main_~tmp~11 := main_#t~ret87;havoc main_#t~ret87; 605#L2464true assume 0 != main_~tmp~11;havoc setup_#t~nondet81, setup_#t~nondet83, setup_#t~nondet85, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;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; 593#L1517true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 92#L1523-2true 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; 319#L1082true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 376#L1088-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 599#L1517-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 61#L1523-5true 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; 313#L1082-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 382#L1088-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 399#L1517-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 71#L1523-8true 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; 315#L1082-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 364#L1088-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85; 535#L2451true havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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___0~2, 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___0~2;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; 139#L2285-1true [2019-11-28 03:24:10,248 INFO L796 eck$LassoCheckResult]: Loop: 139#L2285-1true assume !false; 53#L2140true assume test_~splverifierCounter~0 < 4; 194#L2141true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 430#L2147true assume !(0 == test_~op1~0); 344#L2160true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet63;havoc test_#t~nondet63; 534#L2165true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 139#L2285-1true [2019-11-28 03:24:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:24:10,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:10,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245605774] [2019-11-28 03:24:10,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:10,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:10,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245605774] [2019-11-28 03:24:10,742 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:10,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:24:10,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75819375] [2019-11-28 03:24:10,749 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:10,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:10,749 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:24:10,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:10,750 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316636240] [2019-11-28 03:24:10,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:10,818 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:10,875 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:10,876 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:10,877 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:10,877 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:10,877 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:10,877 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:10,878 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:10,879 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:10,879 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product17.cil.c_Iteration1_Loop [2019-11-28 03:24:10,879 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:10,880 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:10,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:10,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:10,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:10,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:11,025 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:11,026 INFO L404 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) [2019-11-28 03:24:11,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:11,035 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 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) [2019-11-28 03:24:11,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:11,055 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:24:11,071 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:11,082 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:11,083 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:11,083 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:11,083 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:11,084 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:11,084 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:11,084 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:11,084 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:11,084 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product17.cil.c_Iteration1_Loop [2019-11-28 03:24:11,085 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:11,085 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:11,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:11,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:11,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:11,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:11,188 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:11,194 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:11,203 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:11,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:11,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:11,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:11,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:11,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:11,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:11,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:24:11,215 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:11,221 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:11,221 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. 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) [2019-11-28 03:24:11,271 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:11,271 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:11,272 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:11,273 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-28 03:24:11,282 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:24:11,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:11,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:11,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:11,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:11,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:11,616 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 [2019-11-28 03:24:11,618 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 674 states. Second operand 4 states. [2019-11-28 03:24:11,889 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 674 states.. Second operand 4 states. Result 3004 states and 5244 transitions. Complement of second has 7 states. [2019-11-28 03:24:11,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:24:11,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2988 transitions. [2019-11-28 03:24:11,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2988 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:24:11,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:11,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2988 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:24:11,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:11,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2988 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:24:11,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:11,901 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3004 states and 5244 transitions. [2019-11-28 03:24:11,937 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-28 03:24:11,952 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3004 states to 1035 states and 1896 transitions. [2019-11-28 03:24:11,953 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-28 03:24:11,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-28 03:24:11,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-28 03:24:11,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:11,957 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-28 03:24:11,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-28 03:24:12,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-28 03:24:12,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-28 03:24:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-28 03:24:12,036 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-28 03:24:12,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:12,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:24:12,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:24:12,042 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-28 03:24:12,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:12,106 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-28 03:24:12,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:24:12,107 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:12,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-28 03:24:12,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-28 03:24:12,130 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-28 03:24:12,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-28 03:24:12,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:12,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:12,133 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-28 03:24:12,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-28 03:24:12,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-28 03:24:12,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-28 03:24:12,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-28 03:24:12,161 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:24:12,161 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:24:12,161 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:24:12,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-28 03:24:12,165 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:24:12,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:12,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:12,167 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:12,167 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:12,167 INFO L794 eck$LassoCheckResult]: Stem: 5738#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(30);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(21);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(30);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(9);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(25);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string36.base, #t~string36.offset, 1);call write~init~int(115, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(10, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(16);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(44);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(11);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(19);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string92.base, #t~string92.offset, 1);call write~init~int(100, #t~string92.base, 1 + #t~string92.offset, 1);call write~init~int(10, #t~string92.base, 2 + #t~string92.offset, 1);call write~init~int(0, #t~string92.base, 3 + #t~string92.offset, 1);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(10);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(34);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(16);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(20);~__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;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 5377#L-1 havoc main_#res;havoc main_#t~nondet86, main_#t~ret87, main_~retValue_acc~37, main_~tmp~11;main_~retValue_acc~37 := main_#t~nondet86;havoc main_#t~nondet86;havoc main_~tmp~11; 5375#L2069 havoc valid_product_#res;havoc valid_product_~retValue_acc~36;havoc valid_product_~retValue_acc~36;valid_product_~retValue_acc~36 := 1;valid_product_#res := valid_product_~retValue_acc~36; 5376#L2077 main_#t~ret87 := valid_product_#res;main_~tmp~11 := main_#t~ret87;havoc main_#t~ret87; 5853#L2464 assume 0 != main_~tmp~11;havoc setup_#t~nondet81, setup_#t~nondet83, setup_#t~nondet85, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;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; 5883#L1517 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5576#L1523-2 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; 5597#L1082 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5577#L1088-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string80.base, #t~string80.offset;havoc setup_#t~nondet81;~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; 5578#L1517-2 assume !(1 == setClientId_~handle); 5875#L1520-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 5530#L1523-5 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; 5531#L1082-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5580#L1088-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string82.base, #t~string82.offset;havoc setup_#t~nondet83;~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; 5602#L1517-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 5533#L1523-8 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; 5548#L1082-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5538#L1088-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85; 5539#L2451 havoc test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, 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___0~2, 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___0~2;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; 5861#L2285-1 assume !false; 5506#L2140 [2019-11-28 03:24:12,168 INFO L796 eck$LassoCheckResult]: Loop: 5506#L2140 assume test_~splverifierCounter~0 < 4; 5507#L2141 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 5704#L2147 assume !(0 == test_~op1~0); 5462#L2160 assume !(0 == test_~op2~0); 5857#L2171 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet64;havoc test_#t~nondet64; 5854#L2176 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; 5658#L1082-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 5541#L1088-11 test_~op3~0 := 1; 5480#L2285-1 assume !false; 5506#L2140 [2019-11-28 03:24:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:24:12,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:12,169 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193466550] [2019-11-28 03:24:12,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:12,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:12,306 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193466550] [2019-11-28 03:24:12,306 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:12,306 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:24:12,307 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312693064] [2019-11-28 03:24:12,307 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:12,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:12,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:24:12,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:12,308 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526580444] [2019-11-28 03:24:12,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:12,342 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:12,408 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:12,409 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:12,409 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:12,410 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:12,410 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:12,410 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:12,410 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:12,410 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:12,410 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product17.cil.c_Iteration2_Loop [2019-11-28 03:24:12,411 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:12,411 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:12,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,586 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:12,587 INFO L404 LassoAnalysis]: Checking for nontermination... 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) [2019-11-28 03:24:12,607 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:12,607 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:12,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:12,628 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:12,636 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:12,640 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:12,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:12,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:12,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:12,640 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:12,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:12,641 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:12,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:12,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product17.cil.c_Iteration2_Loop [2019-11-28 03:24:12,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:12,641 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:12,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:12,811 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:12,811 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:12,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:12,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:12,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:12,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:12,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:12,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:12,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:12,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:12,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:12,841 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:12,841 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:12,851 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:12,851 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:12,851 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:12,852 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 03:24:12,861 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:12,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:13,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 600 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:13,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:13,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:13,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:13,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:13,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:13,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:24:13,138 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-28 03:24:13,185 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. [2019-11-28 03:24:13,186 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 [2019-11-28 03:24:13,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:13,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-28 03:24:13,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:24:13,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:13,189 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:24:13,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:13,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:24:13,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:13,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-28 03:24:13,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:13,216 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-28 03:24:13,216 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:13,216 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:13,216 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:13,217 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:13,217 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:13,217 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:13,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:13,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:24:13,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:24:13,218 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:24:13,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:13,219 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:24:13,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:24:13,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:24:13,220 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:13,220 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:24:13,220 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:13,220 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:13,221 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:13,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:13,221 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:13,221 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:13,221 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:13,222 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:24:13,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:24:13,222 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:13,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:24:13,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:24:13 BoogieIcfgContainer [2019-11-28 03:24:13,230 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:24:13,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:24:13,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:24:13,233 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:24:13,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:09" (3/4) ... [2019-11-28 03:24:13,238 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:24:13,238 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:24:13,244 INFO L168 Benchmark]: Toolchain (without parser) took 7160.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 199.2 MB). Free memory was 946.9 MB in the beginning and 788.1 MB in the end (delta: 158.9 MB). Peak memory consumption was 358.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,245 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:13,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 158.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,250 INFO L168 Benchmark]: Boogie Preprocessor took 140.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,256 INFO L168 Benchmark]: RCFGBuilder took 2499.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 724.6 MB in the end (delta: 276.3 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,257 INFO L168 Benchmark]: BuchiAutomizer took 3294.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 724.6 MB in the beginning and 788.1 MB in the end (delta: -63.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:13,258 INFO L168 Benchmark]: Witness Printer took 6.18 ms. Allocated memory is still 1.2 GB. Free memory is still 788.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:13,272 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1054.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 946.9 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 158.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 140.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2499.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 724.6 MB in the end (delta: 276.3 MB). Peak memory consumption was 276.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3294.20 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 724.6 MB in the beginning and 788.1 MB in the end (delta: -63.5 MB). Peak memory consumption was 63.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.18 ms. Allocated memory is still 1.2 GB. Free memory is still 788.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. 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 0.0s 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: 3786 SDtfs, 3291 SDslu, 4769 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 77ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...