./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product31.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 65fee95ce209c589bdf7646b8df30ec42128287c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:26:55,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:26:55,401 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:26:55,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:26:55,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:26:55,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:26:55,427 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:26:55,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:26:55,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:26:55,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:26:55,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:26:55,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:26:55,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:26:55,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:26:55,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:26:55,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:26:55,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:26:55,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:26:55,462 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:26:55,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:26:55,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:26:55,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:26:55,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:26:55,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:26:55,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:26:55,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:26:55,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:26:55,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:26:55,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:26:55,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:26:55,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:26:55,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:26:55,493 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:26:55,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:26:55,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:26:55,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:26:55,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:26:55,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:26:55,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:26:55,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:26:55,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:26:55,503 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:26:55,531 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:26:55,532 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:26:55,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:26:55,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:26:55,536 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:26:55,536 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:26:55,536 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:26:55,537 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:26:55,537 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:26:55,537 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:26:55,538 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:26:55,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:26:55,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:26:55,539 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:26:55,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:26:55,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:26:55,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:26:55,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:26:55,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:26:55,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:26:55,541 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:26:55,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:26:55,542 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:26:55,542 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:26:55,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:26:55,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:26:55,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:26:55,543 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:26:55,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:26:55,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:26:55,544 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:26:55,545 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:26:55,546 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 -> 65fee95ce209c589bdf7646b8df30ec42128287c [2019-11-19 22:26:55,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:26:55,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:26:55,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:26:55,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:26:55,870 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:26:55,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2019-11-19 22:26:55,934 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4874bf45/c30b1cd217b348d4bf59a1ee419ff6a2/FLAG75dc603ad [2019-11-19 22:26:56,572 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:26:56,573 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2019-11-19 22:26:56,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4874bf45/c30b1cd217b348d4bf59a1ee419ff6a2/FLAG75dc603ad [2019-11-19 22:26:56,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4874bf45/c30b1cd217b348d4bf59a1ee419ff6a2 [2019-11-19 22:26:56,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:26:56,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:26:56,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:56,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:26:56,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:26:56,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:56" (1/1) ... [2019-11-19 22:26:56,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5989fe69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:56, skipping insertion in model container [2019-11-19 22:26:56,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:56" (1/1) ... [2019-11-19 22:26:56,799 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:26:56,875 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:26:57,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:57,669 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:26:57,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:57,901 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:26:57,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57 WrapperNode [2019-11-19 22:26:57,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:57,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:57,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:26:57,905 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:26:57,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:57,961 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:58,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:26:58,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:26:58,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:26:58,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (1/1) ... [2019-11-19 22:26:58,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:26:58,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:26:58,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:26:58,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:26:58,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (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 22:26:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 22:26:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:26:58,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:26:58,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:26:58,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:27:00,715 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:27:00,715 INFO L285 CfgBuilder]: Removed 387 assume(true) statements. [2019-11-19 22:27:00,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:00 BoogieIcfgContainer [2019-11-19 22:27:00,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:27:00,718 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:27:00,718 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:27:00,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:27:00,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:00,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:26:56" (1/3) ... [2019-11-19 22:27:00,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34f6df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:00, skipping insertion in model container [2019-11-19 22:27:00,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:00,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:57" (2/3) ... [2019-11-19 22:27:00,726 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34f6df4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:00, skipping insertion in model container [2019-11-19 22:27:00,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:00,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:00" (3/3) ... [2019-11-19 22:27:00,728 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec6_product31.cil.c [2019-11-19 22:27:00,782 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:27:00,782 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:27:00,782 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:27:00,782 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:27:00,782 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:27:00,783 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:27:00,783 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:27:00,783 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:27:00,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 579 states. [2019-11-19 22:27:00,873 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-19 22:27:00,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:00,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:00,884 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:00,884 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:00,884 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:27:00,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 579 states. [2019-11-19 22:27:00,907 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-19 22:27:00,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:00,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:00,910 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:00,910 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:00,921 INFO L794 eck$LassoCheckResult]: Stem: 411#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.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;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.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(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(11);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(19);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(100, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(20);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21);~sent_encrypted~0 := -1;call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(13);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(19);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(16);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(19);~__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; 335#L-1true havoc main_#res;havoc main_#t~ret92, main_~retValue_acc~25, main_~tmp~12;havoc main_~retValue_acc~25;havoc main_~tmp~12; 37#L3010true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 224#L3018true main_#t~ret92 := valid_product_#res;main_~tmp~12 := main_#t~ret92;havoc main_#t~ret92; 334#L2047true assume 0 != main_~tmp~12;havoc setup_#t~nondet87, setup_#t~nondet89, setup_#t~nondet91, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 179#L1279true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 550#L1285-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 450#L844true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 303#L850-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 324#L1279-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 559#L1285-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 454#L844-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 280#L850-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 325#L1279-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 532#L1285-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 578#L844-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 290#L850-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string90.base, #t~string90.offset;havoc setup_#t~nondet91; 533#L2034true havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 22#L1865-1true [2019-11-19 22:27:00,922 INFO L796 eck$LassoCheckResult]: Loop: 22#L1865-1true assume !false; 282#L1720true assume test_~splverifierCounter~0 < 4; 83#L1721true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 372#L1727true assume !(0 == test_~op1~0); 403#L1740true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet69;havoc test_#t~nondet69; 114#L1745true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 22#L1865-1true [2019-11-19 22:27:00,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:00,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-19 22:27:00,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:00,938 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894581900] [2019-11-19 22:27:00,938 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:01,348 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 22:27:01,349 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894581900] [2019-11-19 22:27:01,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:01,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:27:01,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824991839] [2019-11-19 22:27:01,358 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:27:01,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:01,359 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-19 22:27:01,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:01,360 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649053275] [2019-11-19 22:27:01,360 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:01,416 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:01,478 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:27:01,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:27:01,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:27:01,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:27:01,480 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:27:01,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:01,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:27:01,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:27:01,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration1_Loop [2019-11-19 22:27:01,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:27:01,481 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:27:01,510 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 22:27:01,522 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 22:27:01,532 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 22:27:01,536 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 22:27:01,632 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:27:01,633 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:01,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:27:01,645 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:01,669 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:27:01,669 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:27:01,680 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:27:01,684 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:27:01,684 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:27:01,684 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:27:01,684 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:27:01,685 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:27:01,685 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:01,685 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:27:01,685 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:27:01,685 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration1_Loop [2019-11-19 22:27:01,685 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:27:01,686 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:27:01,687 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 22:27:01,699 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 22:27:01,705 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 22:27:01,712 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 22:27:01,793 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:27:01,799 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 22:27:01,814 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 22:27:01,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:27:01,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:27:01,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:27:01,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:27:01,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:27:01,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:27:01,824 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 22:27:01,828 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:27:01,863 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:27:01,863 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:01,927 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:27:01,927 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:27:01,928 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:27:01,929 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 22:27:01,936 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:27:02,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:02,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:02,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:27:02,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:27:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:02,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:27:02,259 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:27:02,283 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 22:27:02,301 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 22:27:02,303 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 579 states. Second operand 4 states. [2019-11-19 22:27:02,606 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 579 states.. Second operand 4 states. Result 2568 states and 4412 transitions. Complement of second has 7 states. [2019-11-19 22:27:02,607 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 22:27:02,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:27:02,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2514 transitions. [2019-11-19 22:27:02,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2514 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-19 22:27:02,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:02,629 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2514 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-19 22:27:02,630 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:02,630 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2514 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-19 22:27:02,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:02,632 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2568 states and 4412 transitions. [2019-11-19 22:27:02,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-11-19 22:27:02,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2568 states to 879 states and 1596 transitions. [2019-11-19 22:27:02,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-11-19 22:27:02,698 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-11-19 22:27:02,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-11-19 22:27:02,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:27:02,701 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-11-19 22:27:02,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-11-19 22:27:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-11-19 22:27:02,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-11-19 22:27:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-11-19 22:27:02,800 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-11-19 22:27:02,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:02,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:27:02,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:27:02,806 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-11-19 22:27:02,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:02,870 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-11-19 22:27:02,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:27:02,871 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-11-19 22:27:02,881 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-11-19 22:27:02,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-11-19 22:27:02,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-11-19 22:27:02,891 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-11-19 22:27:02,891 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-11-19 22:27:02,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-19 22:27:02,895 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-11-19 22:27:02,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-11-19 22:27:02,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-11-19 22:27:02,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-19 22:27:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-11-19 22:27:02,907 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-19 22:27:02,907 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-19 22:27:02,907 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:27:02,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-11-19 22:27:02,910 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-19 22:27:02,911 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:02,911 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:02,912 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:02,912 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:02,913 INFO L794 eck$LassoCheckResult]: Stem: 4869#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(13);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(16);call #t~string27.base, #t~string27.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;~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.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(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(11);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(19);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(100, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(10);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(16);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(20);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21);~sent_encrypted~0 := -1;call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(13);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(19);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(16);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(19);~__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; 4602#L-1 havoc main_#res;havoc main_#t~ret92, main_~retValue_acc~25, main_~tmp~12;havoc main_~retValue_acc~25;havoc main_~tmp~12; 4603#L3010 havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 4666#L3018 main_#t~ret92 := valid_product_#res;main_~tmp~12 := main_#t~ret92;havoc main_#t~ret92; 4600#L2047 assume 0 != main_~tmp~12;havoc setup_#t~nondet87, setup_#t~nondet89, setup_#t~nondet91, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4601#L1279 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4956#L1285-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4978#L844 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4976#L850-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5048#L1279-2 assume !(1 == setClientId_~handle); 4967#L1282-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4968#L1285-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4981#L844-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4953#L850-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5047#L1279-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4921#L1285-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 5028#L844-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4961#L850-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string90.base, #t~string90.offset;havoc setup_#t~nondet91; 5029#L2034 havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~10, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~10;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 5030#L1865-1 assume !false; 4627#L1720 [2019-11-19 22:27:02,913 INFO L796 eck$LassoCheckResult]: Loop: 4627#L1720 assume test_~splverifierCounter~0 < 4; 4827#L1721 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4779#L1727 assume !(0 == test_~op1~0); 4781#L1740 assume !(0 == test_~op2~0); 4839#L1751 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet70;havoc test_#t~nondet70; 4840#L1756 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 4878#L844-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4912#L850-11 test_~op3~0 := 1; 4626#L1865-1 assume !false; 4627#L1720 [2019-11-19 22:27:02,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:02,913 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-19 22:27:02,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:02,914 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998599686] [2019-11-19 22:27:02,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:03,029 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 22:27:03,030 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998599686] [2019-11-19 22:27:03,030 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:03,031 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:27:03,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008990564] [2019-11-19 22:27:03,034 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:27:03,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:03,037 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-19 22:27:03,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:03,038 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711237007] [2019-11-19 22:27:03,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:03,083 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:03,162 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:27:03,162 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:27:03,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:27:03,162 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:27:03,162 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:27:03,162 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:03,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:27:03,163 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:27:03,163 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration2_Loop [2019-11-19 22:27:03,163 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:27:03,163 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:27:03,166 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 22:27:03,173 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 22:27:03,176 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 22:27:03,184 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 22:27:03,194 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 22:27:03,197 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 22:27:03,203 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 22:27:03,346 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:27:03,346 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:27:03,352 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:27:03,352 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:27:03,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:27:03,371 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 22:27:03,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:27:03,386 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:27:03,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:27:03,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:27:03,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:27:03,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:27:03,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:03,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:27:03,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:27:03,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product31.cil.c_Iteration2_Loop [2019-11-19 22:27:03,388 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:27:03,391 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:27:03,395 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 22:27:03,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:27:03,418 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 22:27:03,428 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 22:27:03,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:27:03,438 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 22:27:03,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:27:03,576 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:27:03,577 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:27:03,589 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 22:27:03,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:27:03,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:27:03,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:27:03,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:27:03,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:27:03,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:27:03,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:27:03,598 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:27:03,606 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:27:03,606 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 22:27:03,622 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:27:03,622 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-19 22:27:03,623 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:27:03,623 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-19 22:27:03,630 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:27:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:03,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:27:03,826 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:27:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:03,861 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:27:03,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:27:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:27:03,896 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 22:27:03,897 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-11-19 22:27:03,939 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand 4 states. Result 883 states and 1601 transitions. Complement of second has 6 states. [2019-11-19 22:27:03,939 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 22:27:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-19 22:27:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-11-19 22:27:03,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-19 22:27:03,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:03,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-19 22:27:03,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:03,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-19 22:27:03,946 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:27:03,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-11-19 22:27:03,957 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:27:03,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-11-19 22:27:03,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:27:03,958 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:27:03,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:27:03,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:03,958 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:27:03,958 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:27:03,958 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:03,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 22:27:03,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 22:27:03,959 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-19 22:27:03,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:03,960 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 22:27:03,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:27:03,960 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 22:27:03,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:27:03,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:27:03,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:27:03,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:27:03,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:27:03,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:03,961 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:27:03,961 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:27:03,962 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:27:03,962 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 22:27:03,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:27:03,962 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:27:03,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:27:03,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:27:03 BoogieIcfgContainer [2019-11-19 22:27:03,971 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:27:03,972 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:27:03,972 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:27:03,972 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:27:03,973 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:00" (3/4) ... [2019-11-19 22:27:03,978 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:27:03,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:27:03,984 INFO L168 Benchmark]: Toolchain (without parser) took 7196.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.6 MB). Free memory was 946.9 MB in the beginning and 823.8 MB in the end (delta: 123.1 MB). Peak memory consumption was 361.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,985 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:27:03,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1120.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,988 INFO L168 Benchmark]: Boogie Procedure Inliner took 150.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,989 INFO L168 Benchmark]: Boogie Preprocessor took 159.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,997 INFO L168 Benchmark]: RCFGBuilder took 2502.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.9 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,997 INFO L168 Benchmark]: BuchiAutomizer took 3253.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 823.8 MB in the end (delta: 394.4 MB). Peak memory consumption was 394.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:03,998 INFO L168 Benchmark]: Witness Printer took 6.42 ms. Allocated memory is still 1.3 GB. Free memory is still 823.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:27:04,012 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1120.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -137.4 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 150.60 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 159.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2502.12 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -153.9 MB). Peak memory consumption was 266.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3253.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 823.8 MB in the end (delta: 394.4 MB). Peak memory consumption was 394.4 MB. Max. memory is 11.5 GB. * Witness Printer took 6.42 ms. Allocated memory is still 1.3 GB. Free memory is still 823.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3203 SDtfs, 2784 SDslu, 4007 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 128ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...