./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec8_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 e51f72c710332078e0663c26b67a7d83d0274055 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:24:27,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:24:27,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:24:27,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:24:27,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:24:27,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:24:27,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:24:27,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:24:27,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:24:27,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:24:27,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:24:27,569 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:24:27,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:24:27,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:24:27,575 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:24:27,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:24:27,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:24:27,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:24:27,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:24:27,586 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:24:27,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:24:27,595 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:24:27,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:24:27,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:24:27,601 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:24:27,601 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:24:27,601 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:24:27,603 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:24:27,604 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:24:27,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:24:27,605 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:24:27,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:24:27,606 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:24:27,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:24:27,609 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:24:27,609 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:24:27,610 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:24:27,610 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:24:27,610 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:24:27,612 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:24:27,613 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:24:27,614 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:24:27,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:24:27,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:24:27,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:24:27,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:24:27,659 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:24:27,659 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:24:27,660 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:24:27,660 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:24:27,660 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:24:27,660 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:24:27,660 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:24:27,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:24:27,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:24:27,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:24:27,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:24:27,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:24:27,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:24:27,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:24:27,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:24:27,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:24:27,663 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:24:27,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:24:27,663 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:24:27,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:24:27,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:24:27,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:24:27,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:24:27,664 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:24:27,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:24:27,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:24:27,665 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:24:27,666 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:24:27,666 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 -> e51f72c710332078e0663c26b67a7d83d0274055 [2019-11-28 03:24:28,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:24:28,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:24:28,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:24:28,040 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:24:28,041 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:24:28,041 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2019-11-28 03:24:28,121 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a93ddfe/537be3f67a0f45968e9e936a6b72e964/FLAGe9d94f594 [2019-11-28 03:24:28,763 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:24:28,764 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product31.cil.c [2019-11-28 03:24:28,785 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a93ddfe/537be3f67a0f45968e9e936a6b72e964/FLAGe9d94f594 [2019-11-28 03:24:28,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a93ddfe/537be3f67a0f45968e9e936a6b72e964 [2019-11-28 03:24:28,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:24:28,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:24:28,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:28,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:24:28,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:24:28,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:28" (1/1) ... [2019-11-28 03:24:28,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecd73ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:28, skipping insertion in model container [2019-11-28 03:24:28,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:24:28" (1/1) ... [2019-11-28 03:24:28,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:24:29,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:24:29,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:29,852 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:24:29,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:24:30,076 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:24:30,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30 WrapperNode [2019-11-28 03:24:30,080 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:24:30,083 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:30,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:24:30,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:24:30,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:24:30,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:24:30,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:24:30,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:24:30,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... [2019-11-28 03:24:30,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:24:30,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:24:30,451 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:24:30,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:24:30,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:24:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:24:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:24:30,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:24:30,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:24:33,263 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:24:33,264 INFO L297 CfgBuilder]: Removed 379 assume(true) statements. [2019-11-28 03:24:33,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:33 BoogieIcfgContainer [2019-11-28 03:24:33,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:24:33,268 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:24:33,269 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:24:33,273 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:24:33,274 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:33,274 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:24:28" (1/3) ... [2019-11-28 03:24:33,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4507c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:33, skipping insertion in model container [2019-11-28 03:24:33,276 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:33,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:24:30" (2/3) ... [2019-11-28 03:24:33,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4507c5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:24:33, skipping insertion in model container [2019-11-28 03:24:33,277 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:24:33,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:33" (3/3) ... [2019-11-28 03:24:33,279 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_product31.cil.c [2019-11-28 03:24:33,339 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:24:33,339 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:24:33,339 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:24:33,339 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:24:33,340 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:24:33,340 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:24:33,340 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:24:33,340 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:24:33,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states. [2019-11-28 03:24:33,515 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 03:24:33,515 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:33,518 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:33,529 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:33,529 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:33,530 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:24:33,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 565 states. [2019-11-28 03:24:33,547 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 03:24:33,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:33,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:33,555 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:33,555 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:24:33,571 INFO L794 eck$LassoCheckResult]: Stem: 386#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string37.base, #t~string37.offset, 1);call write~init~int(115, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(10, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 3 + #t~string37.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(10);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(12);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(10);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(18);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(16);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(20);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(44);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(44);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(11);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(19);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string113.base, #t~string113.offset, 1);call write~init~int(100, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(10, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 3 + #t~string113.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string116.base, #t~string116.offset, 1);call write~init~int(100, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(10, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(17);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(13);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(17);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0; 301#L-1true havoc main_#res;havoc main_#t~ret108, main_~retValue_acc~43, main_~tmp~20;havoc main_~retValue_acc~43;havoc main_~tmp~20; 495#L2098true havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 274#L2106true main_#t~ret108 := valid_product_#res;main_~tmp~20 := main_#t~ret108;havoc main_#t~ret108; 131#L2626true assume 0 != main_~tmp~20;havoc setup_#t~nondet103, setup_#t~nondet105, setup_#t~nondet107, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 224#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 462#L1108-2true 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; 489#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 210#L673-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103;~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; 227#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 469#L1108-5true 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; 478#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 186#L673-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string104.base, #t~string104.offset;havoc setup_#t~nondet105;~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; 230#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 441#L1108-8true 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; 484#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 172#L673-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107; 94#L2613true havoc test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, 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~22, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~22;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 161#L2945-1true [2019-11-28 03:24:33,571 INFO L796 eck$LassoCheckResult]: Loop: 161#L2945-1true assume !false; 121#L2800true assume test_~splverifierCounter~0 < 4; 28#L2801true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 405#L2807true assume !(0 == test_~op1~0); 192#L2820true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet124;havoc test_#t~nondet124; 487#L2825true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 161#L2945-1true [2019-11-28 03:24:33,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:33,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:24:33,587 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:33,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137672977] [2019-11-28 03:24:33,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:33,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:33,971 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137672977] [2019-11-28 03:24:33,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:33,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:24:33,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90024081] [2019-11-28 03:24:33,982 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:33,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:33,983 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:24:33,983 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:33,983 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776864104] [2019-11-28 03:24:33,984 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:34,042 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:34,088 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:34,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:34,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:34,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:34,090 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:34,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:34,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:34,091 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product31.cil.c_Iteration1_Loop [2019-11-28 03:24:34,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:34,091 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:34,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,333 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:34,334 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:34,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:34,351 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:34,374 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:34,374 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,383 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:34,386 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:34,386 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:34,386 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:34,386 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:34,386 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:34,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:34,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:34,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product31.cil.c_Iteration1_Loop [2019-11-28 03:24:34,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:34,387 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:34,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:34,495 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:34,501 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:34,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:34,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:34,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:34,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:34,522 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:24:34,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:34,528 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:24:34,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,538 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:34,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:34,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:34,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:34,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:34,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:34,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:34,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:34,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:34,588 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:34,589 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:34,604 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:34,605 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:34,605 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:34,606 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-28 03:24:34,614 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:34,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:34,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:34,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:34,882 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:34,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:34,949 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:24:34,951 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 565 states. Second operand 4 states. [2019-11-28 03:24:35,261 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 565 states.. Second operand 4 states. Result 2498 states and 4292 transitions. Complement of second has 7 states. [2019-11-28 03:24:35,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:24:35,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2442 transitions. [2019-11-28 03:24:35,273 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:24:35,275 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:35,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:24:35,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:35,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:24:35,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:35,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2498 states and 4292 transitions. [2019-11-28 03:24:35,311 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-11-28 03:24:35,331 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2498 states to 879 states and 1596 transitions. [2019-11-28 03:24:35,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-11-28 03:24:35,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-11-28 03:24:35,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-11-28 03:24:35,337 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:35,337 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-11-28 03:24:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-11-28 03:24:35,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-11-28 03:24:35,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-11-28 03:24:35,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-11-28 03:24:35,429 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-11-28 03:24:35,430 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:35,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:24:35,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:24:35,435 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-11-28 03:24:35,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:35,501 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-11-28 03:24:35,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:24:35,502 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-11-28 03:24:35,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-11-28 03:24:35,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-11-28 03:24:35,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-11-28 03:24:35,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-11-28 03:24:35,525 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-11-28 03:24:35,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:24:35,533 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-11-28 03:24:35,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-11-28 03:24:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-11-28 03:24:35,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-28 03:24:35,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-11-28 03:24:35,544 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-28 03:24:35,545 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-28 03:24:35,545 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:24:35,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-11-28 03:24:35,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 03:24:35,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:24:35,549 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:24:35,553 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:35,553 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:24:35,554 INFO L794 eck$LassoCheckResult]: Stem: 4805#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string37.base, #t~string37.offset, 1);call write~init~int(115, #t~string37.base, 1 + #t~string37.offset, 1);call write~init~int(10, #t~string37.base, 2 + #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 3 + #t~string37.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(10);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(12);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(10);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(18);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(16);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(16);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(10);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(20);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(21);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(44);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(44);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(9);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(11);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(19);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string113.base, #t~string113.offset, 1);call write~init~int(100, #t~string113.base, 1 + #t~string113.offset, 1);call write~init~int(10, #t~string113.base, 2 + #t~string113.offset, 1);call write~init~int(0, #t~string113.base, 3 + #t~string113.offset, 1);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string116.base, #t~string116.offset, 1);call write~init~int(100, #t~string116.base, 1 + #t~string116.offset, 1);call write~init~int(10, #t~string116.base, 2 + #t~string116.offset, 1);call write~init~int(0, #t~string116.base, 3 + #t~string116.offset, 1);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(17);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(13);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(17);~__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;~__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;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0; 4552#L-1 havoc main_#res;havoc main_#t~ret108, main_~retValue_acc~43, main_~tmp~20;havoc main_~retValue_acc~43;havoc main_~tmp~20; 4553#L2098 havoc valid_product_#res;havoc valid_product_~retValue_acc~37;havoc valid_product_~retValue_acc~37;valid_product_~retValue_acc~37 := 1;valid_product_#res := valid_product_~retValue_acc~37; 4912#L2106 main_#t~ret108 := valid_product_#res;main_~tmp~20 := main_#t~ret108;havoc main_#t~ret108; 4801#L2626 assume 0 != main_~tmp~20;havoc setup_#t~nondet103, setup_#t~nondet105, setup_#t~nondet107, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4802#L1102 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4693#L1108-2 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; 4875#L667 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4682#L673-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103;~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; 4888#L1102-2 assume !(1 == setClientId_~handle); 4708#L1105-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4709#L1108-5 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; 4877#L667-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4696#L673-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string104.base, #t~string104.offset;havoc setup_#t~nondet105;~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; 4876#L1102-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4632#L1108-8 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; 4842#L667-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4711#L673-8 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string106.base, #t~string106.offset;havoc setup_#t~nondet107; 4735#L2613 havoc test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, 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~22, test_~tmp___0~8, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~22;havoc test_~tmp___0~8;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4736#L2945-1 assume !false; 4761#L2800 [2019-11-28 03:24:35,554 INFO L796 eck$LassoCheckResult]: Loop: 4761#L2800 assume test_~splverifierCounter~0 < 4; 4592#L2801 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4593#L2807 assume !(0 == test_~op1~0); 4757#L2820 assume !(0 == test_~op2~0); 4878#L2831 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet125;havoc test_#t~nondet125; 4891#L2836 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; 4895#L667-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4634#L673-11 test_~op3~0 := 1; 4623#L2945-1 assume !false; 4761#L2800 [2019-11-28 03:24:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:35,555 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:24:35,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:35,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345434660] [2019-11-28 03:24:35,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:35,671 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345434660] [2019-11-28 03:24:35,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:24:35,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:24:35,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835268756] [2019-11-28 03:24:35,673 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:24:35,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:35,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:24:35,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:24:35,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441776920] [2019-11-28 03:24:35,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:24:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:35,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:24:35,696 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:24:35,773 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:35,773 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:35,773 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:35,773 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:35,773 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:24:35,773 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:35,773 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:35,774 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:35,774 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product31.cil.c_Iteration2_Loop [2019-11-28 03:24:35,774 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:35,774 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:35,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:35,963 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:35,963 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:35,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:35,970 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:35,984 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:24:35,984 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet125=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet125=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:24:36,004 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:36,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:24:36,030 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,041 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:24:36,044 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:24:36,044 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:24:36,044 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:24:36,044 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:24:36,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:24:36,045 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,045 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:24:36,045 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:24:36,045 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product31.cil.c_Iteration2_Loop [2019-11-28 03:24:36,045 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:24:36,046 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:24:36,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:24:36,271 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:24:36,274 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:36,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:36,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:36,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:36,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:36,291 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:24:36,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:36,295 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:24:36,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,299 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:36,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:24:36,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:24:36,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:24:36,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:24:36,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:24:36,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:24:36,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:24:36,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,327 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:24:36,330 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:24:36,331 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:24:36,347 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:24:36,347 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:24:36,347 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:24:36,347 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 03:24:36,350 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:24:36,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:24:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:36,557 INFO L255 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:24:36,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:24:36,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:24:36,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:24:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:24:36,637 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:24:36,638 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-11-28 03:24:36,687 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. [2019-11-28 03:24:36,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:24:36,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:24:36,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-11-28 03:24:36,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:24:36,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:36,691 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:24:36,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:36,692 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:24:36,695 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:24:36,696 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-11-28 03:24:36,706 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:36,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-11-28 03:24:36,707 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:36,707 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:36,707 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:36,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:36,707 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:36,708 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:36,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:24:36,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:24:36,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:24:36,709 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:24:36,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:24:36,709 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:24:36,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:24:36,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:24:36,710 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:36,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:24:36,710 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:24:36,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:24:36,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:24:36,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:24:36,711 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:36,711 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:36,712 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:24:36,712 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:24:36,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:24:36,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:24:36,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:24:36,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:24:36 BoogieIcfgContainer [2019-11-28 03:24:36,721 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:24:36,723 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:24:36,723 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:24:36,723 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:24:36,724 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:24:33" (3/4) ... [2019-11-28 03:24:36,728 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:24:36,728 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:24:36,732 INFO L168 Benchmark]: Toolchain (without parser) took 7753.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 191.4 MB). Free memory was 957.7 MB in the beginning and 774.9 MB in the end (delta: 182.8 MB). Peak memory consumption was 374.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,733 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:36,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1105.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 191.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,744 INFO L168 Benchmark]: Boogie Preprocessor took 174.41 ms. Allocated memory is still 1.1 GB. Free memory was 999.6 MB in the beginning and 992.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,745 INFO L168 Benchmark]: RCFGBuilder took 2817.68 ms. Allocated memory is still 1.1 GB. Free memory was 992.5 MB in the beginning and 730.8 MB in the end (delta: 261.7 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,746 INFO L168 Benchmark]: BuchiAutomizer took 3453.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 730.8 MB in the beginning and 774.9 MB in the end (delta: -44.1 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:24:36,746 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 1.2 GB. Free memory is still 774.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:24:36,760 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1105.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 70.3 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 191.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 174.41 ms. Allocated memory is still 1.1 GB. Free memory was 999.6 MB in the beginning and 992.5 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2817.68 ms. Allocated memory is still 1.1 GB. Free memory was 992.5 MB in the beginning and 730.8 MB in the end (delta: 261.7 MB). Peak memory consumption was 261.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3453.14 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 730.8 MB in the beginning and 774.9 MB in the end (delta: -44.1 MB). Peak memory consumption was 77.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.83 ms. Allocated memory is still 1.2 GB. Free memory is still 774.9 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 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. 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: 3155 SDtfs, 2736 SDslu, 3935 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...