./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec8_product16.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 28b58ea1c87f7f244a438779003ce127f854a907 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:56:48,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:56:48,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:56:48,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:56:48,510 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:56:48,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:56:48,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:56:48,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:56:48,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:56:48,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:56:48,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:56:48,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:56:48,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:56:48,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:56:48,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:56:48,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:56:48,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:56:48,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:56:48,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:56:48,529 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:56:48,530 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:56:48,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:56:48,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:56:48,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:56:48,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:56:48,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:56:48,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:56:48,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:56:48,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:56:48,539 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:56:48,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:56:48,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:56:48,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:56:48,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:56:48,543 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:56:48,543 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:56:48,544 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:56:48,544 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:56:48,544 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:56:48,545 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:56:48,546 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:56:48,546 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:56:48,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:56:48,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:56:48,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:56:48,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:56:48,566 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:56:48,566 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:56:48,566 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:56:48,567 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:56:48,567 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:56:48,567 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:56:48,567 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:56:48,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:56:48,568 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:56:48,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:56:48,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:56:48,568 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:56:48,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:56:48,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:56:48,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:56:48,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:56:48,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:56:48,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:56:48,570 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:56:48,570 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:56:48,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:56:48,571 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:56:48,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:56:48,571 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:56:48,571 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:56:48,571 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:56:48,572 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:56:48,572 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:56:48,573 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:56:48,573 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 -> 28b58ea1c87f7f244a438779003ce127f854a907 [2019-11-28 20:56:48,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:56:48,911 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:56:48,917 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:56:48,919 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:56:48,920 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:56:48,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2019-11-28 20:56:48,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad0d46ef/54eecfbc7b1540af88c328974eb74b35/FLAG9c39569e0 [2019-11-28 20:56:49,612 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:56:49,614 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2019-11-28 20:56:49,640 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad0d46ef/54eecfbc7b1540af88c328974eb74b35/FLAG9c39569e0 [2019-11-28 20:56:49,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ad0d46ef/54eecfbc7b1540af88c328974eb74b35 [2019-11-28 20:56:49,838 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:56:49,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:56:49,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:49,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:56:49,845 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:56:49,846 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:49" (1/1) ... [2019-11-28 20:56:49,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:49, skipping insertion in model container [2019-11-28 20:56:49,849 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:56:49" (1/1) ... [2019-11-28 20:56:49,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:56:49,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:56:50,598 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:50,621 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:56:50,768 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:56:50,867 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:56:50,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50 WrapperNode [2019-11-28 20:56:50,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:56:50,872 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:50,872 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:56:50,872 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:56:50,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:50,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:56:51,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:56:51,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:56:51,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:56:51,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... [2019-11-28 20:56:51,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:56:51,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:56:51,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:56:51,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:56:51,268 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 20:56:51,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:56:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:56:51,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:56:51,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:56:53,560 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:56:53,561 INFO L287 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-28 20:56:53,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:53 BoogieIcfgContainer [2019-11-28 20:56:53,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:56:53,563 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:56:53,564 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:56:53,568 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:56:53,569 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:53,569 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:56:49" (1/3) ... [2019-11-28 20:56:53,570 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77fbfd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:53, skipping insertion in model container [2019-11-28 20:56:53,571 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:53,571 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:56:50" (2/3) ... [2019-11-28 20:56:53,571 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77fbfd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:56:53, skipping insertion in model container [2019-11-28 20:56:53,572 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:56:53,572 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:53" (3/3) ... [2019-11-28 20:56:53,574 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec8_product16.cil.c [2019-11-28 20:56:53,627 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:56:53,627 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:56:53,627 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:56:53,628 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:56:53,628 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:56:53,628 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:56:53,628 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:56:53,629 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:56:53,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2019-11-28 20:56:53,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 20:56:53,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:53,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:53,719 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:53,719 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:56:53,719 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:56:53,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 449 states. [2019-11-28 20:56:53,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 20:56:53,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:53,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:53,734 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:53,734 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:56:53,751 INFO L794 eck$LassoCheckResult]: Stem: 274#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(11);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(19);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(100, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(17);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(17);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(13);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 226#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 279#L2598true 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; 427#L2606true main_#t~ret70 := valid_product_#res;main_~tmp~9 := main_#t~ret70;havoc main_#t~ret70; 396#L1770true assume 0 != main_~tmp~9;havoc setup_#t~nondet65, setup_#t~nondet67, setup_#t~nondet69, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 147#L1102true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 324#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; 348#L667true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 139#L673-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~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; 154#L1102-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 332#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; 338#L667-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 119#L673-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67;~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; 156#L1102-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 308#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; 340#L667-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 111#L673-8true setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string68.base, #t~string68.offset;havoc setup_#t~nondet69; 346#L1757true havoc test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, 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~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 124#L2545-1true [2019-11-28 20:56:53,752 INFO L796 eck$LassoCheckResult]: Loop: 124#L2545-1true assume !false; 277#L2400true assume test_~splverifierCounter~0 < 4; 166#L2401true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 336#L2407true assume !(0 == test_~op1~0); 252#L2420true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet96;havoc test_#t~nondet96; 196#L2425true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 124#L2545-1true [2019-11-28 20:56:53,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:53,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 20:56:53,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:53,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009524562] [2019-11-28 20:56:53,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:54,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:56:54,172 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009524562] [2019-11-28 20:56:54,173 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:56:54,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:56:54,175 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000864099] [2019-11-28 20:56:54,180 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:56:54,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:54,180 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 20:56:54,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:54,181 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990095899] [2019-11-28 20:56:54,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:54,228 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:56:54,285 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:54,286 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:54,286 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:54,286 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:54,287 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:56:54,287 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,287 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:54,287 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:54,287 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2019-11-28 20:56:54,288 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:54,288 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:54,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,485 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:54,486 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,496 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:56:54,496 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,514 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:56:54,515 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 20:56:54,522 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:56:54,524 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:54,525 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:54,525 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:54,525 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:54,525 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:56:54,525 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,525 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:54,526 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:54,526 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration1_Loop [2019-11-28 20:56:54,526 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:54,526 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:54,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:54,642 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:54,648 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:56:54,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:54,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:54,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:54,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:56:54,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:54,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:56:54,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:56:54,677 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 20:56:54,703 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:56:54,704 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:54,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:56:54,724 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:56:54,725 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:56:54,726 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:54,731 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 20:56:54,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:55,045 INFO L264 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:56:55,053 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:55,098 INFO L264 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:56:55,098 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:56:55,151 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 20:56:55,153 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 449 states. Second operand 4 states. [2019-11-28 20:56:55,419 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 449 states.. Second operand 4 states. Result 1918 states and 3312 transitions. Complement of second has 7 states. [2019-11-28 20:56:55,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:56:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:56:55,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1854 transitions. [2019-11-28 20:56:55,434 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 20:56:55,436 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:55,436 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 20:56:55,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:55,437 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1854 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 20:56:55,437 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:55,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1918 states and 3312 transitions. [2019-11-28 20:56:55,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2019-11-28 20:56:55,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1918 states to 879 states and 1596 transitions. [2019-11-28 20:56:55,488 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2019-11-28 20:56:55,490 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2019-11-28 20:56:55,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2019-11-28 20:56:55,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:56:55,492 INFO L688 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2019-11-28 20:56:55,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2019-11-28 20:56:55,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2019-11-28 20:56:55,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-11-28 20:56:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2019-11-28 20:56:55,569 INFO L711 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2019-11-28 20:56:55,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:56:55,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:56:55,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:56:55,576 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand 3 states. [2019-11-28 20:56:55,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:56:55,659 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2019-11-28 20:56:55,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:56:55,660 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2019-11-28 20:56:55,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2019-11-28 20:56:55,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2019-11-28 20:56:55,680 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2019-11-28 20:56:55,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2019-11-28 20:56:55,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2019-11-28 20:56:55,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 20:56:55,682 INFO L688 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2019-11-28 20:56:55,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2019-11-28 20:56:55,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2019-11-28 20:56:55,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-28 20:56:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2019-11-28 20:56:55,699 INFO L711 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-28 20:56:55,700 INFO L591 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2019-11-28 20:56:55,700 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:56:55,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2019-11-28 20:56:55,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2019-11-28 20:56:55,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:56:55,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:56:55,712 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:55,712 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:56:55,713 INFO L794 eck$LassoCheckResult]: Stem: 4105#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(10);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(18);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(44);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(44);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(11);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(19);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string75.base, #t~string75.offset, 1);call write~init~int(100, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(10, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string78.base, #t~string78.offset, 1);call write~init~int(100, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(10, #t~string78.base, 2 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 3 + #t~string78.offset, 1);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(17);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(17);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(13);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(17);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(115, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(10);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(16);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(20);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(21);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~bob~0 := 0;~rjh~0 := 0;~chuck~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;~in_encrypted~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 3844#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~24, main_~tmp~9;havoc main_~retValue_acc~24;havoc main_~tmp~9; 3845#L2598 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; 4124#L2606 main_#t~ret70 := valid_product_#res;main_~tmp~9 := main_#t~ret70;havoc main_#t~ret70; 4260#L1770 assume 0 != main_~tmp~9;havoc setup_#t~nondet65, setup_#t~nondet67, setup_#t~nondet69, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.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_tmp3~1.base, setup_~__cil_tmp3~1.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; 4191#L1102 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3993#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; 4167#L667 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3982#L673-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string64.base, #t~string64.offset;havoc setup_#t~nondet65;~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; 4186#L1102-2 assume !(1 == setClientId_~handle); 4008#L1105-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4009#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; 4173#L667-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3996#L673-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string66.base, #t~string66.offset;havoc setup_#t~nondet67;~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; 4168#L1102-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3926#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; 4138#L667-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4011#L673-8 setup_~__cil_tmp3~1.base, setup_~__cil_tmp3~1.offset := #t~string68.base, #t~string68.offset;havoc setup_#t~nondet69; 4133#L1757 havoc test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, 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~12, test_~tmp___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~12;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4196#L2545-1 assume !false; 4120#L2400 [2019-11-28 20:56:55,713 INFO L796 eck$LassoCheckResult]: Loop: 4120#L2400 assume test_~splverifierCounter~0 < 4; 4121#L2401 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4189#L2407 assume !(0 == test_~op1~0); 4055#L2420 assume !(0 == test_~op2~0); 4056#L2431 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet97;havoc test_#t~nondet97; 4235#L2436 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; 4192#L667-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3928#L673-11 test_~op3~0 := 1; 3911#L2545-1 assume !false; 4120#L2400 [2019-11-28 20:56:55,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:55,714 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 20:56:55,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:55,714 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858138552] [2019-11-28 20:56:55,715 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:55,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:56:55,855 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858138552] [2019-11-28 20:56:55,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:56:55,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:56:55,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938401445] [2019-11-28 20:56:55,859 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 20:56:55,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:55,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 20:56:55,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:56:55,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660075149] [2019-11-28 20:56:55,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:56:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:56:55,897 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:56:55,972 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:55,973 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:55,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:55,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:55,973 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 20:56:55,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:55,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:55,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:55,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2019-11-28 20:56:55,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:55,974 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:55,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:55,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:55,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:55,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,166 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:56,166 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:56,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 20:56:56,173 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:56,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 20:56:56,190 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:56,199 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 20:56:56,202 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 20:56:56,202 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 20:56:56,202 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 20:56:56,203 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 20:56:56,203 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 20:56:56,203 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:56,203 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 20:56:56,203 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 20:56:56,203 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec8_product16.cil.c_Iteration2_Loop [2019-11-28 20:56:56,203 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 20:56:56,204 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 20:56:56,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 20:56:56,420 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 20:56:56,420 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:56,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 20:56:56,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 20:56:56,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 20:56:56,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 20:56:56,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 20:56:56,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 20:56:56,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 20:56:56,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 20:56:56,445 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:56,449 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 20:56:56,450 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 20:56:56,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 20:56:56,463 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 20:56:56,463 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 20:56:56,463 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 20:56:56,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:56:56,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:56:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:56,650 INFO L264 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 20:56:56,652 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:56:56,692 INFO L264 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 20:56:56,695 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 20:56:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:56:56,725 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 20:56:56,725 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand 4 states. [2019-11-28 20:56:56,766 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 20:56:56,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 20:56:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 20:56:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2019-11-28 20:56:56,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 20:56:56,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:56,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 20:56:56,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:56,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 20:56:56,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 20:56:56,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2019-11-28 20:56:56,786 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:56,786 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2019-11-28 20:56:56,787 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:56,787 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:56,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:56,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:56,787 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:56,788 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:56,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:56:56,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 20:56:56,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 20:56:56,789 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 20:56:56,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:56:56,789 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 20:56:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 20:56:56,789 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 20:56:56,790 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:56,790 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 20:56:56,790 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 20:56:56,790 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 20:56:56,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 20:56:56,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:56:56,791 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:56,791 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:56,791 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 20:56:56,791 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 20:56:56,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 20:56:56,792 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 20:56:56,792 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 20:56:56,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:56:56 BoogieIcfgContainer [2019-11-28 20:56:56,799 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:56:56,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:56:56,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:56:56,800 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:56:56,801 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:56:53" (3/4) ... [2019-11-28 20:56:56,805 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 20:56:56,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:56:56,810 INFO L168 Benchmark]: Toolchain (without parser) took 6966.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 952.3 MB in the beginning and 870.5 MB in the end (delta: 81.8 MB). Peak memory consumption was 299.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,811 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:56:56,812 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1029.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -93.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,813 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,815 INFO L168 Benchmark]: Boogie Preprocessor took 156.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,821 INFO L168 Benchmark]: RCFGBuilder took 2296.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 822.6 MB in the end (delta: 210.0 MB). Peak memory consumption was 210.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,822 INFO L168 Benchmark]: BuchiAutomizer took 3235.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.9 MB). Free memory was 822.6 MB in the beginning and 870.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:56:56,823 INFO L168 Benchmark]: Witness Printer took 5.41 ms. Allocated memory is still 1.2 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:56:56,835 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 1029.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 952.3 MB in the beginning and 1.0 GB in the end (delta: -93.9 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 236.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 156.72 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2296.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 822.6 MB in the end (delta: 210.0 MB). Peak memory consumption was 210.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3235.44 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 105.9 MB). Free memory was 822.6 MB in the beginning and 870.5 MB in the end (delta: -47.9 MB). Peak memory consumption was 58.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.41 ms. Allocated memory is still 1.2 GB. Free memory is still 870.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2763 SDtfs, 2344 SDslu, 3347 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 75ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...