./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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_spec0_product09.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 b2633f6945e310d333da2e2f7802e4cf0f241fa3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 20:01:28,329 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:01:28,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:01:28,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:01:28,344 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:01:28,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:01:28,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:01:28,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:01:28,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:01:28,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:01:28,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:01:28,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:01:28,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:01:28,355 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:01:28,356 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:01:28,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:01:28,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:01:28,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:01:28,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:01:28,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:01:28,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:01:28,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:01:28,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:01:28,369 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:01:28,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:01:28,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:01:28,375 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:01:28,376 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:01:28,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:01:28,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:01:28,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:01:28,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:01:28,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:01:28,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:01:28,388 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:01:28,388 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:01:28,389 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:01:28,389 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:01:28,390 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:01:28,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:01:28,396 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:01:28,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:01:28,423 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:01:28,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:01:28,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:01:28,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:01:28,427 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:01:28,427 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:01:28,427 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:01:28,427 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:01:28,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:01:28,428 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:01:28,429 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:01:28,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:01:28,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:01:28,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:01:28,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:01:28,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:01:28,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:01:28,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:01:28,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:01:28,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:01:28,432 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:01:28,433 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:01:28,433 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:01:28,433 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:01:28,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:01:28,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:01:28,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:01:28,437 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:01:28,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:01:28,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:01:28,438 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:01:28,441 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:01:28,442 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 -> b2633f6945e310d333da2e2f7802e4cf0f241fa3 [2019-11-19 20:01:28,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:01:28,774 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:01:28,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:01:28,779 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:01:28,780 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:01:28,781 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2019-11-19 20:01:28,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1745fb6a3/250e3bb6eb584048a48405bffa8136e5/FLAGa47eb2a62 [2019-11-19 20:01:29,459 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:01:29,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product09.cil.c [2019-11-19 20:01:29,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1745fb6a3/250e3bb6eb584048a48405bffa8136e5/FLAGa47eb2a62 [2019-11-19 20:01:29,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1745fb6a3/250e3bb6eb584048a48405bffa8136e5 [2019-11-19 20:01:29,704 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:01:29,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:01:29,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:29,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:01:29,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:01:29,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:29" (1/1) ... [2019-11-19 20:01:29,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10724550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:29, skipping insertion in model container [2019-11-19 20:01:29,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:01:29" (1/1) ... [2019-11-19 20:01:29,722 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:01:29,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:01:30,494 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:30,528 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:01:30,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:01:30,759 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:01:30,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30 WrapperNode [2019-11-19 20:01:30,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:01:30,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:30,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:01:30,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:01:30,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:30,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:30,926 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:01:30,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:01:30,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:01:30,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:01:30,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:30,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:30,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:30,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:31,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:31,045 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:31,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (1/1) ... [2019-11-19 20:01:31,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:01:31,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:01:31,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:01:31,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:01:31,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (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 [2019-11-19 20:01:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 20:01:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:01:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:01:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:01:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:01:33,120 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:01:33,122 INFO L285 CfgBuilder]: Removed 329 assume(true) statements. [2019-11-19 20:01:33,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:33 BoogieIcfgContainer [2019-11-19 20:01:33,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:01:33,125 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:01:33,125 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:01:33,128 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:01:33,129 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:33,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:01:29" (1/3) ... [2019-11-19 20:01:33,130 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12da5bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:33, skipping insertion in model container [2019-11-19 20:01:33,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:33,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:01:30" (2/3) ... [2019-11-19 20:01:33,131 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12da5bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:01:33, skipping insertion in model container [2019-11-19 20:01:33,131 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:01:33,131 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:33" (3/3) ... [2019-11-19 20:01:33,133 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec0_product09.cil.c [2019-11-19 20:01:33,178 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:01:33,179 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:01:33,179 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:01:33,179 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:01:33,179 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:01:33,179 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:01:33,180 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:01:33,180 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:01:33,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 395 states. [2019-11-19 20:01:33,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-19 20:01:33,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:33,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:33,271 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:33,271 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 20:01:33,271 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:01:33,272 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 395 states. [2019-11-19 20:01:33,294 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-19 20:01:33,296 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:33,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:33,297 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:33,297 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-19 20:01:33,304 INFO L794 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(44);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(11);~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(34);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(16);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(12);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(18);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(115, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16); 229#L-1true havoc main_#res;havoc main_#t~nondet25, main_#t~ret26, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet25;havoc main_#t~nondet25;havoc main_~tmp~2; 265#L273true 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; 80#L281true main_#t~ret26 := valid_product_#res;main_~tmp~2 := main_#t~ret26;havoc main_#t~ret26; 374#L404true assume 0 != main_~tmp~2;havoc setup_#t~nondet20, setup_#t~nondet22, setup_#t~nondet24, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 310#L2275true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 206#L2281-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 315#L2275-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 194#L2281-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string21.base, #t~string21.offset;havoc setup_#t~nondet22;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 316#L2275-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 200#L2281-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string23.base, #t~string23.offset;havoc setup_#t~nondet24; 69#L391true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 279#L209-1true [2019-11-19 20:01:33,304 INFO L796 eck$LassoCheckResult]: Loop: 279#L209-1true assume !false; 102#L82true assume test_~splverifierCounter~0 < 4; 342#L83true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 154#L89true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet0;havoc test_#t~nondet0; 103#L93true assume 0 != test_~tmp___9~0;test_~op1~0 := 1; 279#L209-1true [2019-11-19 20:01:33,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:33,310 INFO L82 PathProgramCache]: Analyzing trace with hash -580026000, now seen corresponding path program 1 times [2019-11-19 20:01:33,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:33,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586702342] [2019-11-19 20:01:33,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:33,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:33,640 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586702342] [2019-11-19 20:01:33,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:33,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:33,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824436047] [2019-11-19 20:01:33,647 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 20:01:33,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:33,647 INFO L82 PathProgramCache]: Analyzing trace with hash 103192148, now seen corresponding path program 1 times [2019-11-19 20:01:33,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:33,648 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599233088] [2019-11-19 20:01:33,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:33,695 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:33,759 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:33,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:33,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:33,761 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:33,761 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:33,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:33,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:33,762 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:33,762 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2019-11-19 20:01:33,762 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:33,762 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:33,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:33,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:33,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:33,891 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:33,892 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) [2019-11-19 20:01:33,911 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:33,912 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) [2019-11-19 20:01:33,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:33,935 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:33,950 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:33,954 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:33,955 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:33,955 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:33,955 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:33,956 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:33,956 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:33,956 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:33,956 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:33,957 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration1_Loop [2019-11-19 20:01:33,957 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:33,957 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:33,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:33,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:34,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:34,084 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:34,090 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) [2019-11-19 20:01:34,107 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 [2019-11-19 20:01:34,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:34,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:34,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:34,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:34,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:34,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:34,119 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 [2019-11-19 20:01:34,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:34,132 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:34,133 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 20:01:34,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:34,157 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:34,158 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:34,161 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2019-11-19 20:01:34,168 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:34,292 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 [2019-11-19 20:01:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:34,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:34,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:34,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:34,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:34,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:34,608 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 [2019-11-19 20:01:34,610 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 395 states. Second operand 4 states. [2019-11-19 20:01:34,890 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 395 states.. Second operand 4 states. Result 1836 states and 3061 transitions. Complement of second has 7 states. [2019-11-19 20:01:34,891 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 [2019-11-19 20:01:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 20:01:34,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1801 transitions. [2019-11-19 20:01:34,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 12 letters. Loop has 5 letters. [2019-11-19 20:01:34,901 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:34,901 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 17 letters. Loop has 5 letters. [2019-11-19 20:01:34,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:34,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1801 transitions. Stem has 12 letters. Loop has 10 letters. [2019-11-19 20:01:34,910 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:34,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1836 states and 3061 transitions. [2019-11-19 20:01:34,944 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-11-19 20:01:34,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1836 states to 307 states and 563 transitions. [2019-11-19 20:01:34,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2019-11-19 20:01:34,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-19 20:01:34,964 INFO L73 IsDeterministic]: Start isDeterministic. Operand 307 states and 563 transitions. [2019-11-19 20:01:34,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:34,965 INFO L688 BuchiCegarLoop]: Abstraction has 307 states and 563 transitions. [2019-11-19 20:01:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states and 563 transitions. [2019-11-19 20:01:35,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 164. [2019-11-19 20:01:35,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-19 20:01:35,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 298 transitions. [2019-11-19 20:01:35,028 INFO L711 BuchiCegarLoop]: Abstraction has 164 states and 298 transitions. [2019-11-19 20:01:35,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:01:35,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:01:35,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:01:35,034 INFO L87 Difference]: Start difference. First operand 164 states and 298 transitions. Second operand 3 states. [2019-11-19 20:01:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:01:35,084 INFO L93 Difference]: Finished difference Result 312 states and 568 transitions. [2019-11-19 20:01:35,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:01:35,086 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 312 states and 568 transitions. [2019-11-19 20:01:35,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-11-19 20:01:35,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 312 states to 312 states and 568 transitions. [2019-11-19 20:01:35,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166 [2019-11-19 20:01:35,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-11-19 20:01:35,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 312 states and 568 transitions. [2019-11-19 20:01:35,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:35,099 INFO L688 BuchiCegarLoop]: Abstraction has 312 states and 568 transitions. [2019-11-19 20:01:35,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states and 568 transitions. [2019-11-19 20:01:35,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 163. [2019-11-19 20:01:35,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2019-11-19 20:01:35,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 294 transitions. [2019-11-19 20:01:35,112 INFO L711 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-11-19 20:01:35,112 INFO L591 BuchiCegarLoop]: Abstraction has 163 states and 294 transitions. [2019-11-19 20:01:35,112 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:01:35,113 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 163 states and 294 transitions. [2019-11-19 20:01:35,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-19 20:01:35,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:35,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:35,115 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:35,115 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:01:35,115 INFO L794 eck$LassoCheckResult]: Stem: 2904#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(44);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(11);~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(34);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(16);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(12);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(18);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(115, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16); 2836#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~ret26, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet25;havoc main_#t~nondet25;havoc main_~tmp~2; 2837#L273 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; 2877#L281 main_#t~ret26 := valid_product_#res;main_~tmp~2 := main_#t~ret26;havoc main_#t~ret26; 2878#L404 assume 0 != main_~tmp~2;havoc setup_#t~nondet20, setup_#t~nondet22, setup_#t~nondet24, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2883#L2275 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2861#L2281-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2900#L2275-2 assume !(1 == setClientId_~handle); 2791#L2278-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 2792#L2281-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string21.base, #t~string21.offset;havoc setup_#t~nondet22;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2901#L2275-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2798#L2281-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string23.base, #t~string23.offset;havoc setup_#t~nondet24; 2858#L391 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 2859#L209-1 assume !false; 2888#L82 [2019-11-19 20:01:35,116 INFO L796 eck$LassoCheckResult]: Loop: 2888#L82 assume test_~splverifierCounter~0 < 4; 2927#L83 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 2940#L89 assume !(0 == test_~op1~0); 2911#L99 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet1;havoc test_#t~nondet1; 2912#L104 assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 2801#L209-1 assume !false; 2888#L82 [2019-11-19 20:01:35,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:35,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1897365039, now seen corresponding path program 1 times [2019-11-19 20:01:35,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:35,117 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723461570] [2019-11-19 20:01:35,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:35,241 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723461570] [2019-11-19 20:01:35,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:35,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:35,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907660908] [2019-11-19 20:01:35,242 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 20:01:35,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:35,243 INFO L82 PathProgramCache]: Analyzing trace with hash -977460337, now seen corresponding path program 1 times [2019-11-19 20:01:35,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:35,243 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431250845] [2019-11-19 20:01:35,244 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:35,264 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:35,298 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:35,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:35,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:35,298 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:35,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:35,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:35,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:35,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:35,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration2_Loop [2019-11-19 20:01:35,299 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:35,299 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:35,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,385 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:35,386 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:35,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:35,390 INFO L160 nArgumentSynthesizer]: Using integer mode. 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) [2019-11-19 20:01:35,406 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:35,406 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 [2019-11-19 20:01:35,419 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:35,421 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:35,422 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:35,422 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:35,422 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:35,422 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:35,422 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:35,422 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:35,422 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:35,422 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration2_Loop [2019-11-19 20:01:35,423 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:35,423 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:35,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:35,530 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:35,530 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:35,538 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 [2019-11-19 20:01:35,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:35,540 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:35,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:35,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:35,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:35,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:35,543 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 20:01:35,545 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:35,549 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:35,549 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:35,555 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:35,555 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:35,556 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:35,556 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-19 20:01:35,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 20:01:35,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:35,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:35,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:35,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:35,721 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:35,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:35,756 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 [2019-11-19 20:01:35,756 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133 Second operand 5 states. [2019-11-19 20:01:35,813 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 163 states and 294 transitions. cyclomatic complexity: 133. Second operand 5 states. Result 602 states and 1103 transitions. Complement of second has 6 states. [2019-11-19 20:01:35,813 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 [2019-11-19 20:01:35,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 20:01:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 292 transitions. [2019-11-19 20:01:35,814 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 14 letters. Loop has 6 letters. [2019-11-19 20:01:35,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:35,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 20 letters. Loop has 6 letters. [2019-11-19 20:01:35,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:35,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 292 transitions. Stem has 14 letters. Loop has 12 letters. [2019-11-19 20:01:35,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:35,816 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 602 states and 1103 transitions. [2019-11-19 20:01:35,822 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-11-19 20:01:35,827 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 602 states to 602 states and 1103 transitions. [2019-11-19 20:01:35,827 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 164 [2019-11-19 20:01:35,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166 [2019-11-19 20:01:35,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 602 states and 1103 transitions. [2019-11-19 20:01:35,828 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:35,828 INFO L688 BuchiCegarLoop]: Abstraction has 602 states and 1103 transitions. [2019-11-19 20:01:35,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states and 1103 transitions. [2019-11-19 20:01:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 313. [2019-11-19 20:01:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-19 20:01:35,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 570 transitions. [2019-11-19 20:01:35,838 INFO L711 BuchiCegarLoop]: Abstraction has 313 states and 570 transitions. [2019-11-19 20:01:35,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:01:35,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:01:35,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:01:35,839 INFO L87 Difference]: Start difference. First operand 313 states and 570 transitions. Second operand 3 states. [2019-11-19 20:01:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:01:35,878 INFO L93 Difference]: Finished difference Result 314 states and 568 transitions. [2019-11-19 20:01:35,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:01:35,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 568 transitions. [2019-11-19 20:01:35,882 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-19 20:01:35,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 314 states and 568 transitions. [2019-11-19 20:01:35,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 93 [2019-11-19 20:01:35,886 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 93 [2019-11-19 20:01:35,886 INFO L73 IsDeterministic]: Start isDeterministic. Operand 314 states and 568 transitions. [2019-11-19 20:01:35,891 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 20:01:35,892 INFO L688 BuchiCegarLoop]: Abstraction has 314 states and 568 transitions. [2019-11-19 20:01:35,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states and 568 transitions. [2019-11-19 20:01:35,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 313. [2019-11-19 20:01:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-11-19 20:01:35,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 567 transitions. [2019-11-19 20:01:35,903 INFO L711 BuchiCegarLoop]: Abstraction has 313 states and 567 transitions. [2019-11-19 20:01:35,903 INFO L591 BuchiCegarLoop]: Abstraction has 313 states and 567 transitions. [2019-11-19 20:01:35,903 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:01:35,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 567 transitions. [2019-11-19 20:01:35,909 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 72 [2019-11-19 20:01:35,909 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:01:35,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:01:35,910 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:35,910 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:01:35,911 INFO L794 eck$LassoCheckResult]: Stem: 4385#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(44);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(11);~__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;~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(10);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(34);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(16);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(12);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(10);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(18);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(115, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(16); 4313#L-1 havoc main_#res;havoc main_#t~nondet25, main_#t~ret26, main_~retValue_acc~2, main_~tmp~2;main_~retValue_acc~2 := main_#t~nondet25;havoc main_#t~nondet25;havoc main_~tmp~2; 4314#L273 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; 4355#L281 main_#t~ret26 := valid_product_#res;main_~tmp~2 := main_#t~ret26;havoc main_#t~ret26; 4356#L404 assume 0 != main_~tmp~2;havoc setup_#t~nondet20, setup_#t~nondet22, setup_#t~nondet24, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob_~bob___0, setup_bob_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4361#L2275 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4339#L2281-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh_~rjh___0, setup_rjh_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4381#L2275-2 assume !(1 == setClientId_~handle); 4267#L2278-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4268#L2281-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string21.base, #t~string21.offset;havoc setup_#t~nondet22;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck_~chuck___0, setup_chuck_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4382#L2275-4 assume !(1 == setClientId_~handle); 4273#L2278-4 assume !(2 == setClientId_~handle); 4274#L2281-6 assume 3 == setClientId_~handle;~__ste_client_idCounter2~0 := setClientId_~value; 4424#L2281-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string23.base, #t~string23.offset;havoc setup_#t~nondet24; 4336#L391 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4337#L209-1 assume !false; 4445#L82 assume test_~splverifierCounter~0 < 4; 4429#L83 [2019-11-19 20:01:35,911 INFO L796 eck$LassoCheckResult]: Loop: 4429#L83 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4422#L89 assume !(0 == test_~op1~0); 4392#L99 assume !(0 == test_~op2~0); 4394#L110 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet2;havoc test_#t~nondet2; 4398#L115 assume 0 != test_~tmp___7~0;test_~op3~0 := 1; 4276#L209-1 assume !false; 4366#L82 assume test_~splverifierCounter~0 < 4; 4429#L83 [2019-11-19 20:01:35,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:35,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1122563546, now seen corresponding path program 1 times [2019-11-19 20:01:35,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:35,912 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765245300] [2019-11-19 20:01:35,912 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,718 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:36,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:36,719 INFO L82 PathProgramCache]: Analyzing trace with hash -655079928, now seen corresponding path program 1 times [2019-11-19 20:01:36,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:36,719 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131788449] [2019-11-19 20:01:36,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:01:36,740 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:01:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:36,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1397323843, now seen corresponding path program 1 times [2019-11-19 20:01:36,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:01:36,744 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138037047] [2019-11-19 20:01:36,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:01:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:36,847 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138037047] [2019-11-19 20:01:36,847 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:01:36,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:01:36,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830897128] [2019-11-19 20:01:36,895 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:36,895 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:36,895 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:36,895 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:36,896 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 20:01:36,896 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:36,896 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:36,896 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:36,896 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration3_Loop [2019-11-19 20:01:36,896 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:36,896 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:36,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:36,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,008 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:37,008 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 20:01:37,019 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:37,020 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 20:01:37,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet2=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet2=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,035 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:37,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 20:01:37,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-19 20:01:37,039 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=7} Honda state: {ULTIMATE.start_test_~op1~0=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,047 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 20:01:37,047 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 20:01:37,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 20:01:37,057 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,118 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 20:01:37,120 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 20:01:37,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 20:01:37,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 20:01:37,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 20:01:37,120 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 20:01:37,120 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 20:01:37,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 20:01:37,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec0_product09.cil.c_Iteration3_Loop [2019-11-19 20:01:37,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 20:01:37,121 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 20:01:37,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 20:01:37,237 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 20:01:37,237 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,246 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 [2019-11-19 20:01:37,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:37,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:37,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:37,249 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-19 20:01:37,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:37,250 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-19 20:01:37,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 20:01:37,254 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 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,272 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 [2019-11-19 20:01:37,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 20:01:37,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 20:01:37,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 20:01:37,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 20:01:37,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 20:01:37,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 20:01:37,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-19 20:01:37,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 20:01:37,280 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 20:01:37,280 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Exception during sending of exit command (exit): Broken pipe Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:01:37,345 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 20:01:37,346 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 20:01:37,346 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 20:01:37,346 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2019-11-19 20:01:37,348 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 20:01:37,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:01:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:37,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 20:01:37,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:01:37,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 20:01:37,531 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 20:01:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:01:37,616 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-19 20:01:37,616 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 313 states and 567 transitions. cyclomatic complexity: 258 Second operand 3 states. [2019-11-19 20:01:37,650 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 313 states and 567 transitions. cyclomatic complexity: 258. Second operand 3 states. Result 678 states and 1244 transitions. Complement of second has 4 states. [2019-11-19 20:01:37,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-19 20:01:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-19 20:01:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 156 transitions. [2019-11-19 20:01:37,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 17 letters. Loop has 7 letters. [2019-11-19 20:01:37,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,653 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 24 letters. Loop has 7 letters. [2019-11-19 20:01:37,654 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 156 transitions. Stem has 17 letters. Loop has 14 letters. [2019-11-19 20:01:37,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 20:01:37,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 678 states and 1244 transitions. [2019-11-19 20:01:37,662 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:37,662 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 678 states to 0 states and 0 transitions. [2019-11-19 20:01:37,663 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:01:37,663 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:01:37,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:01:37,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:01:37,663 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:37,663 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:37,664 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:01:37,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:01:37,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:01:37,665 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-19 20:01:37,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:01:37,665 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 20:01:37,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 20:01:37,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 20:01:37,666 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:37,666 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 20:01:37,667 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 20:01:37,667 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 20:01:37,667 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 20:01:37,667 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:01:37,667 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:37,667 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:37,668 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 20:01:37,668 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-11-19 20:01:37,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 20:01:37,668 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 20:01:37,668 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 20:01:37,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:01:37 BoogieIcfgContainer [2019-11-19 20:01:37,676 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:01:37,677 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:01:37,677 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:01:37,677 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:01:37,678 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:01:33" (3/4) ... [2019-11-19 20:01:37,682 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 20:01:37,683 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:01:37,686 INFO L168 Benchmark]: Toolchain (without parser) took 7979.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 346.6 MB). Free memory was 956.3 MB in the beginning and 1.3 GB in the end (delta: -311.6 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:37,687 INFO L168 Benchmark]: CDTParser took 0.26 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. [2019-11-19 20:01:37,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1057.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:37,695 INFO L168 Benchmark]: Boogie Procedure Inliner took 162.42 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:37,696 INFO L168 Benchmark]: Boogie Preprocessor took 148.98 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:37,696 INFO L168 Benchmark]: RCFGBuilder took 2048.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.8 MB in the end (delta: 177.1 MB). Peak memory consumption was 177.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:01:37,697 INFO L168 Benchmark]: BuchiAutomizer took 4551.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 913.8 MB in the beginning and 1.3 GB in the end (delta: -354.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:01:37,700 INFO L168 Benchmark]: Witness Printer took 6.08 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:01:37,714 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 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 1057.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -147.8 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 162.42 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 148.98 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2048.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 913.8 MB in the end (delta: 177.1 MB). Peak memory consumption was 177.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4551.47 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 197.1 MB). Free memory was 913.8 MB in the beginning and 1.3 GB in the end (delta: -354.2 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 6.08 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 5 and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 582 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 313 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2165 SDtfs, 2001 SDslu, 2540 SDs, 0 SdLazy, 48 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 16ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 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...