./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product29.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_spec27_product29.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 87baa76e7f8fc83816d517ef8d493bbe96134b27 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:23:08,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:23:08,673 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:23:08,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:23:08,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:23:08,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:23:08,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:23:08,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:23:08,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:23:08,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:23:08,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:23:08,699 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:23:08,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:23:08,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:23:08,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:23:08,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:23:08,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:23:08,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:23:08,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:23:08,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:23:08,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:23:08,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:23:08,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:23:08,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:23:08,720 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:23:08,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:23:08,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:23:08,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:23:08,724 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:23:08,725 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:23:08,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:23:08,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:23:08,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:23:08,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:23:08,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:23:08,735 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:23:08,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:23:08,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:23:08,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:23:08,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:23:08,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:23:08,743 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:23:08,765 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:23:08,765 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:23:08,768 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:23:08,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:23:08,769 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:23:08,769 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:23:08,769 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:23:08,770 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:23:08,770 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:23:08,770 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:23:08,771 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:23:08,772 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:23:08,772 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:23:08,773 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:23:08,773 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:23:08,773 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:23:08,773 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:23:08,774 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:23:08,774 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:23:08,775 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:23:08,775 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:23:08,775 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:23:08,775 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:23:08,776 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:23:08,776 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:23:08,776 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:23:08,776 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:23:08,777 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:23:08,777 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:23:08,777 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:23:08,777 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:23:08,780 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:23:08,781 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 -> 87baa76e7f8fc83816d517ef8d493bbe96134b27 [2019-11-28 03:23:09,116 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:23:09,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:23:09,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:23:09,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:23:09,143 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:23:09,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2019-11-28 03:23:09,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002b62708/bbd63f60ed4244c583bf0cd324ddd9f3/FLAG0ba988903 [2019-11-28 03:23:09,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:23:09,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product29.cil.c [2019-11-28 03:23:09,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002b62708/bbd63f60ed4244c583bf0cd324ddd9f3/FLAG0ba988903 [2019-11-28 03:23:10,142 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002b62708/bbd63f60ed4244c583bf0cd324ddd9f3 [2019-11-28 03:23:10,147 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:23:10,149 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:23:10,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:10,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:23:10,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:23:10,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7f4e9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10, skipping insertion in model container [2019-11-28 03:23:10,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:23:10,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:23:10,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:11,008 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:23:11,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:11,242 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:23:11,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11 WrapperNode [2019-11-28 03:23:11,243 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:11,244 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:11,244 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:23:11,244 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:23:11,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:11,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:23:11,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:23:11,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:23:11,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (1/1) ... [2019-11-28 03:23:11,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:23:11,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:23:11,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:23:11,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:23:11,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (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 03:23:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:23:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:23:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:23:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:23:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:23:15,253 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:23:15,253 INFO L297 CfgBuilder]: Removed 617 assume(true) statements. [2019-11-28 03:23:15,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:15 BoogieIcfgContainer [2019-11-28 03:23:15,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:23:15,256 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:23:15,256 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:23:15,260 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:23:15,261 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:15,262 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:23:10" (1/3) ... [2019-11-28 03:23:15,263 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c569316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:15, skipping insertion in model container [2019-11-28 03:23:15,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:15,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:11" (2/3) ... [2019-11-28 03:23:15,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c569316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:15, skipping insertion in model container [2019-11-28 03:23:15,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:15,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:15" (3/3) ... [2019-11-28 03:23:15,266 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec27_product29.cil.c [2019-11-28 03:23:15,312 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:23:15,312 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:23:15,312 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:23:15,313 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:23:15,313 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:23:15,313 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:23:15,313 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:23:15,313 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:23:15,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1052 states. [2019-11-28 03:23:15,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:23:15,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:15,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:15,458 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 03:23:15,458 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:15,459 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:23:15,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1052 states. [2019-11-28 03:23:15,472 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:23:15,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:15,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:15,475 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 03:23:15,475 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:15,482 INFO L794 eck$LassoCheckResult]: Stem: 359#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string38.base, #t~string38.offset, 1);call write~init~int(115, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(10, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(34);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(16);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(20);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(11);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(19);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string129.base, #t~string129.offset, 1);call write~init~int(100, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(10, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(100, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(10, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 252#L-1true havoc main_#res;havoc main_#t~ret124, main_~retValue_acc~43, main_~tmp~21;havoc main_~retValue_acc~43;havoc main_~tmp~21; 111#L1521true havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 804#L1529true main_#t~ret124 := valid_product_#res;main_~tmp~21 := main_#t~ret124;havoc main_#t~ret124; 1026#L2849true assume 0 != main_~tmp~21;havoc setup_#t~nondet119, setup_#t~nondet121, setup_#t~nondet123, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 617#L1468true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 269#L1474-2true 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; 293#L1033true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 18#L1039-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~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; 624#L1468-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 255#L1474-5true 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; 297#L1033-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 28#L1039-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 601#L1468-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 260#L1474-8true 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; 299#L1033-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 13#L1039-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123; 475#L2836true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, 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~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 807#L1903-1true [2019-11-28 03:23:15,483 INFO L796 eck$LassoCheckResult]: Loop: 807#L1903-1true assume !false; 554#L1758true assume test_~splverifierCounter~0 < 4; 521#L1759true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 62#L1765true assume !(0 == test_~op1~0); 666#L1778true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet70;havoc test_#t~nondet70; 383#L1783true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 807#L1903-1true [2019-11-28 03:23:15,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:15,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:23:15,501 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:15,501 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669531975] [2019-11-28 03:23:15,502 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:15,896 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 03:23:15,897 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669531975] [2019-11-28 03:23:15,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:15,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:23:15,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414044781] [2019-11-28 03:23:15,907 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:15,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:15,907 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:23:15,908 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:15,908 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251468988] [2019-11-28 03:23:15,908 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:15,973 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:16,030 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:16,031 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:16,031 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:16,031 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:16,031 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:16,032 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:16,032 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:16,032 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:16,032 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration1_Loop [2019-11-28 03:23:16,033 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:16,033 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:16,063 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 03:23:16,077 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 03:23:16,088 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 03:23:16,093 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 03:23:16,182 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:16,183 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:16,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:16,199 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:16,224 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:16,224 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:23:16,237 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:16,240 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:16,240 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:16,240 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:16,241 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:16,241 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:16,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:16,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:16,241 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:16,241 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration1_Loop [2019-11-28 03:23:16,241 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:16,242 INFO L274 LassoAnalysis]: Starting lasso preprocessing... Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:16,243 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 03:23:16,250 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 03:23:16,259 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 03:23:16,265 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 03:23:16,355 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:16,361 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 03:23:16,376 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 03:23:16,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:16,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:16,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:16,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:16,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:16,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:16,383 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 03:23:16,389 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:16,397 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:16,397 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:16,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:16,422 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:16,423 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:16,427 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:16,436 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:23:16,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:16,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:16,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:16,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:16,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:16,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:16,779 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 03:23:16,798 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 03:23:16,800 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1052 states. Second operand 4 states. [2019-11-28 03:23:17,252 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1052 states.. Second operand 4 states. Result 4894 states and 8604 transitions. Complement of second has 7 states. [2019-11-28 03:23:17,252 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 03:23:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:17,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5004 transitions. [2019-11-28 03:23:17,266 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5004 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:23:17,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:17,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5004 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:23:17,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:17,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5004 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:23:17,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:17,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4894 states and 8604 transitions. [2019-11-28 03:23:17,343 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2019-11-28 03:23:17,364 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4894 states to 1035 states and 1896 transitions. [2019-11-28 03:23:17,366 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2019-11-28 03:23:17,369 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2019-11-28 03:23:17,370 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2019-11-28 03:23:17,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:17,379 INFO L688 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2019-11-28 03:23:17,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2019-11-28 03:23:17,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2019-11-28 03:23:17,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2019-11-28 03:23:17,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2019-11-28 03:23:17,464 INFO L711 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2019-11-28 03:23:17,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:17,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:23:17,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:23:17,470 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2019-11-28 03:23:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:17,528 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2019-11-28 03:23:17,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:23:17,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2019-11-28 03:23:17,539 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2019-11-28 03:23:17,548 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2019-11-28 03:23:17,549 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2019-11-28 03:23:17,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2019-11-28 03:23:17,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2019-11-28 03:23:17,551 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:17,551 INFO L688 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2019-11-28 03:23:17,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2019-11-28 03:23:17,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2019-11-28 03:23:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2019-11-28 03:23:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2019-11-28 03:23:17,569 INFO L711 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:23:17,570 INFO L591 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2019-11-28 03:23:17,570 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:23:17,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2019-11-28 03:23:17,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2019-11-28 03:23:17,575 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:17,575 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:17,576 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 03:23:17,577 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:17,577 INFO L794 eck$LassoCheckResult]: Stem: 8053#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string38.base, #t~string38.offset, 1);call write~init~int(115, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(10, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 3 + #t~string38.offset, 1);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(12);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(10);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(18);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(16);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(34);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(16);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(20);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(44);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(44);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(9);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(11);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(19);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string129.base, #t~string129.offset, 1);call write~init~int(100, #t~string129.base, 1 + #t~string129.offset, 1);call write~init~int(10, #t~string129.base, 2 + #t~string129.offset, 1);call write~init~int(0, #t~string129.base, 3 + #t~string129.offset, 1);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string132.base, #t~string132.offset, 1);call write~init~int(100, #t~string132.base, 1 + #t~string132.offset, 1);call write~init~int(10, #t~string132.base, 2 + #t~string132.offset, 1);call write~init~int(0, #t~string132.base, 3 + #t~string132.offset, 1);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 7739#L-1 havoc main_#res;havoc main_#t~ret124, main_~retValue_acc~43, main_~tmp~21;havoc main_~retValue_acc~43;havoc main_~tmp~21; 7740#L1521 havoc valid_product_#res;havoc valid_product_~retValue_acc~21;havoc valid_product_~retValue_acc~21;valid_product_~retValue_acc~21 := 1;valid_product_#res := valid_product_~retValue_acc~21; 7785#L1529 main_#t~ret124 := valid_product_#res;main_~tmp~21 := main_#t~ret124;havoc main_#t~ret124; 7786#L2849 assume 0 != main_~tmp~21;havoc setup_#t~nondet119, setup_#t~nondet121, setup_#t~nondet123, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7903#L1468 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7806#L1474-2 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; 7833#L1033 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7795#L1039-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string118.base, #t~string118.offset;havoc setup_#t~nondet119;~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; 7796#L1468-2 assume !(1 == setClientId_~handle); 7912#L1471-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7763#L1474-5 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; 7764#L1033-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7812#L1039-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string120.base, #t~string120.offset;havoc setup_#t~nondet121;~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; 7842#L1468-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7771#L1474-8 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; 7782#L1033-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7742#L1039-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123; 7765#L2836 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, 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~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 8153#L1903-1 assume !false; 7860#L1758 [2019-11-28 03:23:17,578 INFO L796 eck$LassoCheckResult]: Loop: 7860#L1758 assume test_~splverifierCounter~0 < 4; 8158#L1759 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7937#L1765 assume !(0 == test_~op1~0); 7939#L1778 assume !(0 == test_~op2~0); 8054#L1789 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet71;havoc test_#t~nondet71; 8067#L1794 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; 7872#L1033-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7639#L1039-11 test_~op3~0 := 1; 7640#L1903-1 assume !false; 7860#L1758 [2019-11-28 03:23:17,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:17,579 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:23:17,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:17,579 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615433801] [2019-11-28 03:23:17,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:17,707 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 03:23:17,707 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615433801] [2019-11-28 03:23:17,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:17,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:23:17,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482116099] [2019-11-28 03:23:17,709 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:17,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:23:17,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:17,710 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85229191] [2019-11-28 03:23:17,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:17,831 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:17,909 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:17,909 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:17,909 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:17,909 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:17,910 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:17,910 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:17,910 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:17,910 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:17,910 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration2_Loop [2019-11-28 03:23:17,910 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:17,910 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:17,912 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 03:23:17,921 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 03:23:17,927 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 03:23:17,930 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 03:23:17,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:17,940 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 03:23:17,946 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 03:23:18,077 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:18,078 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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:18,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:18,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:23:18,099 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:23:18,099 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:18,163 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:18,163 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 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:18,205 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:18,206 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:18,223 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:18,225 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:18,226 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:18,226 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:18,226 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:18,226 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:18,226 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:18,226 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:18,226 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:18,226 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product29.cil.c_Iteration2_Loop [2019-11-28 03:23:18,227 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:18,227 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:18,228 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 03:23:18,235 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 03:23:18,244 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 03:23:18,247 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 03:23:18,250 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 03:23:18,257 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 03:23:18,267 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 03:23:18,411 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:18,411 INFO L489 LassoAnalysis]: Using template 'affine'. 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 03:23:18,428 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 03:23:18,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:18,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:18,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:18,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:18,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:18,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:18,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:18,436 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:18,439 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:18,439 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:18,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:18,447 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:18,447 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:18,447 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 03:23:18,456 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:18,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:18,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:18,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:18,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:18,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:18,718 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 03:23:18,719 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 03:23:18,719 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2019-11-28 03:23:18,763 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2019-11-28 03:23:18,764 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 03:23:18,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:18,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2019-11-28 03:23:18,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:23:18,767 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:18,767 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:23:18,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:18,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:23:18,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:18,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2019-11-28 03:23:18,781 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:18,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2019-11-28 03:23:18,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:18,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:18,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:18,783 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:18,783 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:18,783 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:18,784 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:18,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:23:18,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:23:18,786 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:23:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:18,786 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:23:18,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:23:18,787 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:23:18,787 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:18,787 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:23:18,788 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:18,788 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:18,788 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:18,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:18,789 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:18,789 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:18,789 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:18,789 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:23:18,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:23:18,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:18,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:23:18,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:23:18 BoogieIcfgContainer [2019-11-28 03:23:18,800 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:23:18,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:23:18,802 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:23:18,802 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:23:18,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:15" (3/4) ... [2019-11-28 03:23:18,809 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:23:18,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:23:18,814 INFO L168 Benchmark]: Toolchain (without parser) took 8662.89 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 326.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 164.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,816 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:18,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1092.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -126.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,820 INFO L168 Benchmark]: Boogie Procedure Inliner took 199.72 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,822 INFO L168 Benchmark]: Boogie Preprocessor took 181.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,830 INFO L168 Benchmark]: RCFGBuilder took 3630.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.2 MB). Peak memory consumption was 258.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,831 INFO L168 Benchmark]: BuchiAutomizer took 3543.99 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:18,831 INFO L168 Benchmark]: Witness Printer took 7.79 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:18,849 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1092.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -126.6 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 199.72 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: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 181.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3630.02 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 115.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -27.2 MB). Peak memory consumption was 258.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3543.99 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -48.8 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Witness Printer took 7.79 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 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 3.4s 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, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5130 SDtfs, 4636 SDslu, 6785 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: 61ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...