./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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_spec6_product34.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 754ab4b20430f6f6bdf24c9c2f614868f5398c9c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:56:27,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:56:27,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:56:27,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:56:27,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:56:27,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:56:27,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:56:27,117 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:56:27,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:56:27,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:56:27,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:56:27,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:56:27,128 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:56:27,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:56:27,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:56:27,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:56:27,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:56:27,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:56:27,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:56:27,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:56:27,147 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:56:27,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:56:27,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:56:27,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:56:27,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:56:27,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:56:27,157 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:56:27,158 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:56:27,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:56:27,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:56:27,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:56:27,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:56:27,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:56:27,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:56:27,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:56:27,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:56:27,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:56:27,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:56:27,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:56:27,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:56:27,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:56:27,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:56:27,202 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:56:27,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:56:27,209 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:56:27,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:56:27,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:56:27,210 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:56:27,211 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:56:27,211 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:56:27,211 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:56:27,211 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:56:27,212 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:56:27,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:56:27,213 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:56:27,213 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:56:27,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:56:27,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:56:27,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:56:27,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:56:27,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:56:27,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:56:27,215 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:56:27,216 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:56:27,216 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:56:27,216 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:56:27,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:56:27,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:56:27,217 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:56:27,217 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:56:27,218 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:56:27,218 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:56:27,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:56:27,219 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:56:27,220 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:56:27,220 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 -> 754ab4b20430f6f6bdf24c9c2f614868f5398c9c [2019-11-28 20:56:27,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:56:27,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:56:27,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:56:27,527 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:56:27,528 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:56:27,529 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2019-11-28 20:56:27,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f9a19be/be15141a2a3c459e97c465e1d9d256bd/FLAG714e9f928 [2019-11-28 20:56:28,172 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:56:28,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product34.cil.c [2019-11-28 20:56:28,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f9a19be/be15141a2a3c459e97c465e1d9d256bd/FLAG714e9f928 [2019-11-28 20:56:28,420 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/99f9a19be/be15141a2a3c459e97c465e1d9d256bd [2019-11-28 20:56:28,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:56:28,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:56:28,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:28,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:56:28,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:56:28,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:28" (1/1) ... [2019-11-28 20:56:28,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39472393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:28, skipping insertion in model container [2019-11-28 20:56:28,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:28" (1/1) ... [2019-11-28 20:56:28,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:56:28,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:56:29,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:29,244 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:56:29,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:29,523 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:56:29,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29 WrapperNode [2019-11-28 20:56:29,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:29,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:29,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:56:29,527 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:56:29,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:29,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:56:29,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:56:29,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:56:29,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (1/1) ... [2019-11-28 20:56:29,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:56:29,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:56:29,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:56:29,938 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:56:29,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (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 20:56:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 20:56:30,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:56:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:56:30,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:56:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:56:33,354 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:56:33,354 INFO L287 CfgBuilder]: Removed 885 assume(true) statements. [2019-11-28 20:56:33,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:33 BoogieIcfgContainer [2019-11-28 20:56:33,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:56:33,357 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:56:33,357 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:56:33,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:56:33,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:33,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:56:28" (1/3) ... [2019-11-28 20:56:33,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1427871a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:33, skipping insertion in model container [2019-11-28 20:56:33,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:33,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:29" (2/3) ... [2019-11-28 20:56:33,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1427871a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:33, skipping insertion in model container [2019-11-28 20:56:33,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:33,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:33" (3/3) ... [2019-11-28 20:56:33,366 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec6_product34.cil.c [2019-11-28 20:56:33,407 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:56:33,407 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:56:33,407 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:56:33,407 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:56:33,407 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:56:33,407 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:56:33,408 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:56:33,408 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:56:33,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1302 states. [2019-11-28 20:56:33,539 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 20:56:33,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:33,540 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:33,550 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 20:56:33,550 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:56:33,551 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:56:33,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1302 states. [2019-11-28 20:56:33,568 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 20:56:33,568 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:33,568 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:33,571 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 20:56:33,571 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:56:33,578 INFO L794 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(16);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(19);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(34);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(20);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(12);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(18);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(13);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(44);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(11);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(19);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_encrypted~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 338#L-1true havoc main_#res;havoc main_#t~ret128, main_~retValue_acc~43, main_~tmp~22;havoc main_~retValue_acc~43;havoc main_~tmp~22; 1052#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 619#L83true main_#t~ret128 := valid_product_#res;main_~tmp~22 := main_#t~ret128;havoc main_#t~ret128; 1108#L2719true assume 0 != main_~tmp~22;havoc setup_#t~nondet123, setup_#t~nondet125, setup_#t~nondet127, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 581#L2550true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 179#L2556-2true 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; 191#L2115true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1147#L2121-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 553#L2550-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 172#L2556-5true 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; 196#L2115-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1133#L2121-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125;~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; 556#L2550-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 304#L2556-8true 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; 197#L2115-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1139#L2121-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127; 643#L2706true havoc test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, 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~24, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 697#L3054-1true [2019-11-28 20:56:33,578 INFO L796 eck$LassoCheckResult]: Loop: 697#L3054-1true assume !false; 493#L2906true assume test_~splverifierCounter~0 < 4; 419#L2907true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1205#L2913true assume !(0 == test_~op1~0); 646#L2926true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet144;havoc test_#t~nondet144; 277#L2931true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 697#L3054-1true [2019-11-28 20:56:33,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:33,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 20:56:33,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:33,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737896620] [2019-11-28 20:56:33,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:33,976 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 20:56:33,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737896620] [2019-11-28 20:56:33,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:56:33,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:56:33,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924689449] [2019-11-28 20:56:33,984 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:56:33,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:33,984 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 20:56:33,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:33,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125732788] [2019-11-28 20:56:33,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:34,032 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:56:34,093 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:34,094 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:34,095 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:34,095 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:34,095 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:56:34,095 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:34,095 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:34,096 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:34,096 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration1_Loop [2019-11-28 20:56:34,096 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:34,097 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:34,120 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 20:56:34,131 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 20:56:34,138 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 20:56:34,145 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 20:56:34,240 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:34,240 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 20:56:34,257 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:56:34,257 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 20:56:34,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:56:34,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:56:34,301 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:56:34,312 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:34,312 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:34,312 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:34,313 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:34,313 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:56:34,313 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:34,313 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:34,313 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:34,313 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration1_Loop [2019-11-28 20:56:34,314 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:34,314 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:34,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:34,328 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 20:56:34,335 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 20:56:34,341 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 20:56:34,420 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:34,426 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 20:56:34,446 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 20:56:34,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:34,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:34,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:34,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:56:34,451 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:34,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:56:34,454 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 20:56:34,458 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:56:34,480 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:56:34,480 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:34,539 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:56:34,540 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:56:34,541 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:56:34,541 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-28 20:56:34,547 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:56:34,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe [2019-11-28 20:56:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:34,898 INFO L264 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:56:34,902 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:34,944 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:56:34,945 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:34,974 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 20:56:34,991 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 20:56:34,993 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1302 states. Second operand 4 states. [2019-11-28 20:56:35,446 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1302 states.. Second operand 4 states. Result 6140 states and 10492 transitions. Complement of second has 7 states. [2019-11-28 20:56:35,446 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 20:56:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:56:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 6134 transitions. [2019-11-28 20:56:35,466 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6134 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 20:56:35,468 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:35,468 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6134 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 20:56:35,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:35,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 6134 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 20:56:35,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:35,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6140 states and 10492 transitions. [2019-11-28 20:56:35,538 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-28 20:56:35,558 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6140 states to 1051 states and 1924 transitions. [2019-11-28 20:56:35,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-28 20:56:35,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-28 20:56:35,563 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-28 20:56:35,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:56:35,572 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-28 20:56:35,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-28 20:56:35,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-28 20:56:35,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-28 20:56:35,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-28 20:56:35,660 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-28 20:56:35,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:56:35,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:56:35,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:56:35,665 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-28 20:56:35,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:56:35,732 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-28 20:56:35,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:56:35,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-28 20:56:35,742 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-28 20:56:35,752 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-28 20:56:35,752 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-28 20:56:35,753 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-28 20:56:35,753 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-28 20:56:35,755 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:56:35,755 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-28 20:56:35,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-28 20:56:35,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-28 20:56:35,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-28 20:56:35,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-28 20:56:35,769 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-28 20:56:35,769 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-28 20:56:35,770 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:56:35,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-28 20:56:35,773 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-28 20:56:35,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:35,773 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:35,776 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 20:56:35,777 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:35,777 INFO L794 eck$LassoCheckResult]: Stem: 9497#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(19);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(16);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(19);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(10);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(34);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(16);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(20);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(21);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(10);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(12);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(10);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(18);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(21);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(13);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(16);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(25);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(44);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(44);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(9);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(11);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(19);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string133.base, #t~string133.offset, 1);call write~init~int(100, #t~string133.base, 1 + #t~string133.offset, 1);call write~init~int(10, #t~string133.base, 2 + #t~string133.offset, 1);call write~init~int(0, #t~string133.base, 3 + #t~string133.offset, 1);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string136.base, #t~string136.offset, 1);call write~init~int(100, #t~string136.base, 1 + #t~string136.offset, 1);call write~init~int(10, #t~string136.base, 2 + #t~string136.offset, 1);call write~init~int(0, #t~string136.base, 3 + #t~string136.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_encrypted~0 := -1;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0; 9197#L-1 havoc main_#res;havoc main_#t~ret128, main_~retValue_acc~43, main_~tmp~22;havoc main_~retValue_acc~43;havoc main_~tmp~22; 9198#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 9424#L83 main_#t~ret128 := valid_product_#res;main_~tmp~22 := main_#t~ret128;havoc main_#t~ret128; 9522#L2719 assume 0 != main_~tmp~22;havoc setup_#t~nondet123, setup_#t~nondet125, setup_#t~nondet127, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 9523#L2550 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9276#L2556-2 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; 9560#L2115 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9362#L2121-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string122.base, #t~string122.offset;havoc setup_#t~nondet123;~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; 9553#L2550-2 assume !(1 == setClientId_~handle); 9285#L2553-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9286#L2556-5 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; 9545#L2115-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9279#L2121-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string124.base, #t~string124.offset;havoc setup_#t~nondet125;~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; 9544#L2550-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9344#L2556-8 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; 9581#L2115-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9288#L2121-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string126.base, #t~string126.offset;havoc setup_#t~nondet127; 9546#L2706 havoc test_#t~nondet143, test_#t~nondet144, test_#t~nondet145, test_#t~nondet146, test_#t~nondet147, test_#t~nondet148, test_#t~nondet149, test_#t~nondet150, test_#t~nondet151, test_#t~nondet152, test_#t~nondet153, 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~24, test_~tmp___0~10, test_~tmp___1~6, test_~tmp___2~4, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~24;havoc test_~tmp___0~10;havoc test_~tmp___1~6;havoc test_~tmp___2~4;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9640#L3054-1 assume !false; 9291#L2906 [2019-11-28 20:56:35,778 INFO L796 eck$LassoCheckResult]: Loop: 9291#L2906 assume test_~splverifierCounter~0 < 4; 9477#L2907 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9478#L2913 assume !(0 == test_~op1~0); 9538#L2926 assume !(0 == test_~op2~0); 9653#L2937 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet145;havoc test_#t~nondet145; 9657#L2942 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; 9571#L2115-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9333#L2121-11 test_~op3~0 := 1; 9290#L3054-1 assume !false; 9291#L2906 [2019-11-28 20:56:35,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:35,778 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 20:56:35,778 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:35,779 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724631454] [2019-11-28 20:56:35,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:35,923 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 20:56:35,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724631454] [2019-11-28 20:56:35,923 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:56:35,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:56:35,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162461777] [2019-11-28 20:56:35,924 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:56:35,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:35,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 20:56:35,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:35,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623184416] [2019-11-28 20:56:35,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:35,962 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:56:36,025 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:36,025 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:36,025 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:36,025 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:36,026 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:56:36,026 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,026 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:36,026 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:36,026 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration2_Loop [2019-11-28 20:56:36,026 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:36,026 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:36,028 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 20:56:36,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:36,038 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 20:56:36,049 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 20:56:36,056 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 20:56:36,065 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 20:56:36,068 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 20:56:36,194 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:36,195 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:36,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:56:36,216 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:36,235 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:56:36,235 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,248 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:56:36,250 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:36,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:36,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:36,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:36,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:56:36,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:36,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:36,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product34.cil.c_Iteration2_Loop [2019-11-28 20:56:36,251 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:36,252 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:36,255 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 20:56:36,270 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 20:56:36,275 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 20:56:36,278 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 20:56:36,283 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 20:56:36,291 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 20:56:36,309 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 20:56:36,430 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:36,430 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:36,451 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 20:56:36,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:36,454 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:36,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:36,454 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 20:56:36,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,456 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 20:56:36,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:56:36,459 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. 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 20:56:36,467 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 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:36,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:36,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:36,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:56:36,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:36,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:56:36,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:56:36,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:56:36,479 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:56:36,479 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:36,493 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:56:36,494 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:56:36,494 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:56:36,494 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 20:56:36,496 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:56:36,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:36,662 INFO L264 TraceCheckSpWp]: Trace formula consists of 643 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:56:36,665 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:36,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:36,698 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:56:36,699 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:36,731 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 20:56:36,731 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 20:56:36,733 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-28 20:56:36,778 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-11-28 20:56:36,779 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 20:56:36,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:56:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-28 20:56:36,781 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 20:56:36,781 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:36,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 20:56:36,782 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:36,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 20:56:36,786 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:36,786 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-28 20:56:36,794 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:36,795 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-28 20:56:36,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:36,795 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:36,795 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:36,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:36,796 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:36,796 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:36,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:56:36,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:56:36,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:56:36,798 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 20:56:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:56:36,798 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:56:36,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:56:36,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:56:36,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:36,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:56:36,799 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:36,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:36,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:36,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:36,800 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:36,800 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:36,800 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:36,800 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:56:36,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:56:36,801 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:36,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:56:36,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:56:36 BoogieIcfgContainer [2019-11-28 20:56:36,808 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:56:36,811 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:56:36,811 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:56:36,811 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:56:36,812 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:33" (3/4) ... [2019-11-28 20:56:36,816 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:56:36,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:56:36,822 INFO L168 Benchmark]: Toolchain (without parser) took 8393.55 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 362.3 MB). Free memory was 956.3 MB in the beginning and 991.3 MB in the end (delta: -35.0 MB). Peak memory consumption was 327.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,823 INFO L168 Benchmark]: CDTParser took 0.20 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 20:56:36,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1099.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 229.74 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,828 INFO L168 Benchmark]: Boogie Preprocessor took 180.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,834 INFO L168 Benchmark]: RCFGBuilder took 3418.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 966.5 MB in the end (delta: 87.5 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,835 INFO L168 Benchmark]: BuchiAutomizer took 3451.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.7 MB). Free memory was 966.5 MB in the beginning and 991.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:36,835 INFO L168 Benchmark]: Witness Printer took 6.43 ms. Allocated memory is still 1.4 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:56:36,851 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1099.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 229.74 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: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 180.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3418.68 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 109.1 MB). Free memory was 1.1 GB in the beginning and 966.5 MB in the end (delta: 87.5 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3451.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.7 MB). Free memory was 966.5 MB in the beginning and 991.3 MB in the end (delta: -24.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. * Witness Printer took 6.43 ms. Allocated memory is still 1.4 GB. Free memory is still 991.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5909 SDtfs, 5408 SDslu, 7943 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: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 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...