./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product21.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_spec8_product21.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 ebb332648dfece5874ca2fe6da0ae760568ee4af ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:24:23,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:23,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:23,652 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:23,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:23,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:23,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:23,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:23,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:23,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:23,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:23,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:23,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:23,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:23,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:23,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:23,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:23,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:23,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:23,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:23,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:23,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:23,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:23,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:23,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:23,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:23,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:23,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:23,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:23,709 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:23,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:23,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:23,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:23,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:23,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:23,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:23,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:23,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:23,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:23,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:23,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:23,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:23,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:23,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:23,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:23,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:23,758 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:23,758 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:23,759 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:23,759 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:23,759 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:23,759 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:23,762 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:23,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:23,762 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:23,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:23,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:23,764 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:23,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:23,764 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:23,764 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:23,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:23,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:23,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:23,765 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:23,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:23,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:23,766 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:23,767 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:23,767 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 -> ebb332648dfece5874ca2fe6da0ae760568ee4af [2019-11-28 03:24:24,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:24:24,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:24:24,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:24:24,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:24:24,169 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:24:24,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2019-11-28 03:24:24,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36619e59/062f9f2e72cc4adeb1489c91025be3d2/FLAGa3cb24288 [2019-11-28 03:24:24,866 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:24:24,868 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product21.cil.c [2019-11-28 03:24:24,900 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36619e59/062f9f2e72cc4adeb1489c91025be3d2/FLAGa3cb24288 [2019-11-28 03:24:25,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f36619e59/062f9f2e72cc4adeb1489c91025be3d2 [2019-11-28 03:24:25,087 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:24:25,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:24:25,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:25,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:24:25,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:24:25,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:25" (1/1) ... [2019-11-28 03:24:25,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a20d08f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:25, skipping insertion in model container [2019-11-28 03:24:25,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:25" (1/1) ... [2019-11-28 03:24:25,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:24:25,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:24:25,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:25,983 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:24:26,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:26,215 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:24:26,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26 WrapperNode [2019-11-28 03:24:26,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:26,218 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:26,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:24:26,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:24:26,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:26,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:24:26,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:24:26,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:24:26,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (1/1) ... [2019-11-28 03:24:26,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:24:26,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:24:26,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:24:26,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:24:26,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (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 03:24:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:24:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:24:26,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:24:26,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:24:26,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:24:29,944 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:24:29,944 INFO L297 CfgBuilder]: Removed 649 assume(true) statements. [2019-11-28 03:24:29,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:29 BoogieIcfgContainer [2019-11-28 03:24:29,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:24:29,947 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:24:29,948 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:24:29,952 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:24:29,953 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:29,953 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:24:25" (1/3) ... [2019-11-28 03:24:29,954 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423cd2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:29, skipping insertion in model container [2019-11-28 03:24:29,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:29,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:26" (2/3) ... [2019-11-28 03:24:29,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@423cd2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:29, skipping insertion in model container [2019-11-28 03:24:29,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:29,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:29" (3/3) ... [2019-11-28 03:24:29,957 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_product21.cil.c [2019-11-28 03:24:30,007 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:24:30,007 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:24:30,007 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:24:30,008 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:24:30,008 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:24:30,008 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:24:30,008 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:24:30,008 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:24:30,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-11-28 03:24:30,128 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 03:24:30,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:30,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:30,144 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 03:24:30,144 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:30,145 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:24:30,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 956 states. [2019-11-28 03:24:30,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 03:24:30,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:30,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:30,172 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 03:24:30,172 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:30,187 INFO L794 eck$LassoCheckResult]: Stem: 329#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(12);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(18);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(34);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(20);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(17);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(13);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(17);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~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; 254#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 785#L2521true havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 494#L2529true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 59#L224true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 582#L2482true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 351#L2488-2true 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; 253#L2047true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 101#L2053-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 593#L2482-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 326#L2488-5true 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; 379#L2047-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 119#L2053-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 565#L2482-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 343#L2488-8true 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; 380#L2047-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 94#L2053-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 695#L211true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_~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~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, 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~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;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; 829#L998-1true [2019-11-28 03:24:30,188 INFO L796 eck$LassoCheckResult]: Loop: 829#L998-1true assume !false; 690#L850true assume test_~splverifierCounter~0 < 4; 530#L851true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 256#L857true assume !(0 == test_~op1~0); 758#L870true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet76;havoc test_#t~nondet76; 557#L875true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 829#L998-1true [2019-11-28 03:24:30,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:30,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:24:30,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:30,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027332703] [2019-11-28 03:24:30,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:30,674 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 03:24:30,675 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027332703] [2019-11-28 03:24:30,676 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:30,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:24:30,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376636979] [2019-11-28 03:24:30,683 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:30,684 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:24:30,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:30,684 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509450655] [2019-11-28 03:24:30,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:30,738 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:30,796 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:30,797 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:30,797 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:30,798 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:30,798 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:30,798 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:30,798 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:30,798 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:30,798 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21.cil.c_Iteration1_Loop [2019-11-28 03:24:30,799 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:30,799 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:30,826 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 03:24:30,838 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 03:24:30,845 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 03:24:30,853 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 03:24:30,955 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:30,956 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:30,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:30,967 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:30,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:30,996 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:24:31,002 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:31,007 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:31,007 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:31,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:31,008 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:31,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:31,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:31,009 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:31,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:31,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21.cil.c_Iteration1_Loop [2019-11-28 03:24:31,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:31,010 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:31,012 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 03:24:31,029 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 03:24:31,036 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 03:24:31,044 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 03:24:31,117 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:31,123 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) [2019-11-28 03:24:31,134 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 03:24:31,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:31,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:31,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:31,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:31,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:31,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:31,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:31,145 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:31,166 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:31,166 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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:31,185 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:31,186 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:31,187 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:31,188 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 03:24:31,194 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:24:31,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:31,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:31,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:31,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:31,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:31,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:31,564 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 03:24:31,583 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 03:24:31,585 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 956 states. Second operand 4 states. [2019-11-28 03:24:31,971 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 956 states.. Second operand 4 states. Result 4410 states and 7572 transitions. Complement of second has 7 states. [2019-11-28 03:24:31,976 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 03:24:31,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4382 transitions. [2019-11-28 03:24:31,988 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:24:31,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:31,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:24:31,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:31,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4382 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:24:31,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:31,999 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4410 states and 7572 transitions. [2019-11-28 03:24:32,050 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-28 03:24:32,068 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4410 states to 1051 states and 1924 transitions. [2019-11-28 03:24:32,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-28 03:24:32,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-28 03:24:32,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-28 03:24:32,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:32,075 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-28 03:24:32,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-28 03:24:32,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-28 03:24:32,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-28 03:24:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-28 03:24:32,157 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-28 03:24:32,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:32,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:24:32,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:24:32,162 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-28 03:24:32,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:32,231 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-28 03:24:32,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:24:32,232 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-28 03:24:32,241 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-28 03:24:32,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-28 03:24:32,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-28 03:24:32,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-28 03:24:32,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-28 03:24:32,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:32,257 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-28 03:24:32,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-28 03:24:32,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-28 03:24:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-28 03:24:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-28 03:24:32,278 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-28 03:24:32,279 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-28 03:24:32,279 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:24:32,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-28 03:24:32,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 03:24:32,283 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:32,284 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:32,285 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 03:24:32,286 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:32,286 INFO L794 eck$LassoCheckResult]: Stem: 7366#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(44);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(9);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(9);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(11);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(19);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(12);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(18);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(16);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(10);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(34);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(20);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(21);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(30);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(21);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(30);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(9);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(21);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(30);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(9);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(25);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(17);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(13);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(17);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string134.base, #t~string134.offset, 1);call write~init~int(115, #t~string134.base, 1 + #t~string134.offset, 1);call write~init~int(10, #t~string134.base, 2 + #t~string134.offset, 1);call write~init~int(0, #t~string134.base, 3 + #t~string134.offset, 1);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~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; 7074#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 7075#L2521 havoc valid_product_#res;havoc valid_product_~retValue_acc~31;havoc valid_product_~retValue_acc~31;valid_product_~retValue_acc~31 := 1;valid_product_#res := valid_product_~retValue_acc~31; 7403#L2529 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 7198#L224 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.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_tmp3~0.base, setup_~__cil_tmp3~0.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; 7199#L2482 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7415#L2488-2 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; 7071#L2047 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7072#L2053-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 7402#L2482-2 assume !(1 == setClientId_~handle); 7502#L2485-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7358#L2488-5 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; 7359#L2047-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7407#L2053-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 7450#L2482-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7374#L2488-8 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; 7399#L2047-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7375#L2053-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 7376#L211 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, test_#t~nondet81, test_#t~nondet82, test_#t~nondet83, test_#t~nondet84, test_#t~nondet85, test_~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~14, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, 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~14;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;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; 7611#L998-1 assume !false; 7529#L850 [2019-11-28 03:24:32,287 INFO L796 eck$LassoCheckResult]: Loop: 7529#L850 assume test_~splverifierCounter~0 < 4; 7224#L851 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7182#L857 assume !(0 == test_~op1~0); 7184#L870 assume !(0 == test_~op2~0); 7274#L881 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet77;havoc test_#t~nondet77; 7276#L886 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; 7430#L2047-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7378#L2053-11 test_~op3~0 := 1; 7192#L998-1 assume !false; 7529#L850 [2019-11-28 03:24:32,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:32,287 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:24:32,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:32,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018292441] [2019-11-28 03:24:32,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:32,442 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 03:24:32,442 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018292441] [2019-11-28 03:24:32,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:32,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:24:32,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611574839] [2019-11-28 03:24:32,444 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:32,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:24:32,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:32,445 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381955179] [2019-11-28 03:24:32,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:32,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:32,548 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:32,548 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:32,548 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:32,549 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:32,549 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:32,549 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:32,549 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:32,549 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:32,550 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21.cil.c_Iteration2_Loop [2019-11-28 03:24:32,550 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:32,550 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:32,552 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 03:24:32,658 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2019-11-28 03:24:32,659 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 03:24:32,664 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 03:24:32,676 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 03:24:32,682 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 03:24:32,690 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 03:24:32,693 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 03:24:32,824 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:32,824 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 03:24:32,838 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:32,839 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 03:24:32,851 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:32,851 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 03:24:32,858 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:32,860 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:32,860 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:32,860 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:32,860 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:32,860 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:32,860 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:32,861 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:32,861 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:32,861 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product21.cil.c_Iteration2_Loop [2019-11-28 03:24:32,861 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:32,862 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:32,864 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 03:24:32,882 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 03:24:32,887 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 03:24:32,891 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 03:24:32,893 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 03:24:32,901 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 03:24:32,914 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 03:24:33,040 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:33,041 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:33,047 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 03:24:33,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:33,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:33,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:33,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:33,049 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:33,050 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:33,050 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:24:33,053 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:33,061 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:33,061 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 03:24:33,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:33,070 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:33,070 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:33,070 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 03:24:33,075 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 03:24:33,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:33,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:33,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:33,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:33,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:33,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:33,314 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 03:24:33,316 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 03:24:33,316 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-28 03:24:33,361 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-11-28 03:24:33,362 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 03:24:33,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:33,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-28 03:24:33,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:24:33,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:33,364 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:24:33,365 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:33,365 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:24:33,368 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:33,369 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-28 03:24:33,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:33,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-28 03:24:33,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:33,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:33,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:33,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:33,381 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:33,381 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:33,381 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:33,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:24:33,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:24:33,383 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:24:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:33,383 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:24:33,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:24:33,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:24:33,384 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:33,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:24:33,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:33,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:33,385 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:33,385 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:33,385 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:33,385 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:33,385 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:33,385 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:24:33,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:24:33,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:33,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:24:33,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:24:33 BoogieIcfgContainer [2019-11-28 03:24:33,395 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:24:33,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:24:33,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:24:33,398 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:24:33,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:29" (3/4) ... [2019-11-28 03:24:33,403 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:24:33,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:24:33,408 INFO L168 Benchmark]: Toolchain (without parser) took 8316.62 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 349.2 MB). Free memory was 949.6 MB in the beginning and 1.2 GB in the end (delta: -210.1 MB). Peak memory consumption was 139.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,409 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 03:24:33,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,413 INFO L168 Benchmark]: Boogie Preprocessor took 190.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,419 INFO L168 Benchmark]: RCFGBuilder took 3296.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.6 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,420 INFO L168 Benchmark]: BuchiAutomizer took 3448.27 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 101.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:33,421 INFO L168 Benchmark]: Witness Printer took 6.63 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:33,437 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 1128.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.9 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -150.4 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 240.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 190.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3296.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 88.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -32.6 MB). Peak memory consumption was 259.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3448.27 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 101.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 6.63 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4741 SDtfs, 4240 SDslu, 6191 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: 62ms 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...