./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec4_product34_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/email_spec4_product34_false-unreach-call_true-termination.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 818d667bbffda85365b9d77ff42e3d72d2bd90ea .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:52:02,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:52:02,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:52:02,839 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:52:02,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:52:02,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:52:02,842 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:52:02,844 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:52:02,846 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:52:02,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:52:02,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:52:02,848 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:52:02,849 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:52:02,850 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:52:02,851 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:52:02,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:52:02,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:52:02,855 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:52:02,857 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:52:02,859 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:52:02,860 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:52:02,861 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:52:02,864 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:52:02,864 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:52:02,865 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:52:02,865 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:52:02,866 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:52:02,868 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:52:02,868 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:52:02,870 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:52:02,870 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:52:02,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:52:02,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:52:02,871 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:52:02,873 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:52:02,874 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:52:02,874 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:52:02,901 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:52:02,904 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:52:02,905 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:52:02,905 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:52:02,905 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:52:02,906 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:52:02,906 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:52:02,906 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:52:02,906 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:52:02,906 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:52:02,906 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:52:02,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:52:02,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:52:02,909 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:52:02,909 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:52:02,910 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:52:02,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:52:02,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:52:02,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:52:02,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:52:02,914 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:52:02,914 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:52:02,914 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:52:02,914 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:52:02,916 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:52:02,916 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:52:02,917 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:52:02,917 INFO L133 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 -> 818d667bbffda85365b9d77ff42e3d72d2bd90ea [2018-11-28 23:52:02,980 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:52:02,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:52:03,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:52:03,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:52:03,006 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:52:03,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec4_product34_false-unreach-call_true-termination.cil.c [2018-11-28 23:52:03,073 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f5a491a/37cd896d5317487ba2b3d6f5b39ad772/FLAG71acbd0b0 [2018-11-28 23:52:03,728 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:52:03,729 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec4_product34_false-unreach-call_true-termination.cil.c [2018-11-28 23:52:03,764 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f5a491a/37cd896d5317487ba2b3d6f5b39ad772/FLAG71acbd0b0 [2018-11-28 23:52:03,912 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57f5a491a/37cd896d5317487ba2b3d6f5b39ad772 [2018-11-28 23:52:03,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:52:03,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:52:03,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:52:03,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:52:03,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:52:03,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:03" (1/1) ... [2018-11-28 23:52:03,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f31aaa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:03, skipping insertion in model container [2018-11-28 23:52:03,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:52:03" (1/1) ... [2018-11-28 23:52:03,936 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:52:04,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:52:04,911 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:52:04,947 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:52:05,283 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:52:05,441 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:52:05,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05 WrapperNode [2018-11-28 23:52:05,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:52:05,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:52:05,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:52:05,444 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:52:05,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,504 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:52:05,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:52:05,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:52:05,652 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:52:05,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,772 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (1/1) ... [2018-11-28 23:52:05,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:52:05,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:52:05,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:52:05,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:52:05,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (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 [2018-11-28 23:52:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:52:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2018-11-28 23:52:05,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:52:05,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:52:05,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:52:12,586 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:52:12,586 INFO L280 CfgBuilder]: Removed 849 assue(true) statements. [2018-11-28 23:52:12,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:12 BoogieIcfgContainer [2018-11-28 23:52:12,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:52:12,589 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:52:12,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:52:12,596 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:52:12,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:12,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:52:03" (1/3) ... [2018-11-28 23:52:12,599 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@275f4f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:52:12, skipping insertion in model container [2018-11-28 23:52:12,600 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:12,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:52:05" (2/3) ... [2018-11-28 23:52:12,600 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@275f4f0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:52:12, skipping insertion in model container [2018-11-28 23:52:12,600 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:52:12,600 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:12" (3/3) ... [2018-11-28 23:52:12,603 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec4_product34_false-unreach-call_true-termination.cil.c [2018-11-28 23:52:12,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:52:12,672 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:52:12,672 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:52:12,673 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:52:12,673 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:52:12,673 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:52:12,673 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:52:12,673 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:52:12,673 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:52:12,731 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2018-11-28 23:52:12,822 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:52:12,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:12,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:12,834 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:12,834 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:52:12,835 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:52:12,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2018-11-28 23:52:12,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:52:12,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:12,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:12,854 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:12,854 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:52:12,861 INFO L794 eck$LassoCheckResult]: Stem: 416#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(10);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(34);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(16);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(20);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);~__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;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(13);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string80.base, #t~string80.offset, 1);call write~init~int(115, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(10, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(10);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(12);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(18);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(16);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(21);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(13);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(16);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string129.base, #t~string129.offset := #Ultimate.alloc(30);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(9);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(21);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(30);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(9);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(21);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(30);call #t~string139.base, #t~string139.offset := #Ultimate.alloc(9);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(25);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(30);call #t~string142.base, #t~string142.offset := #Ultimate.alloc(9);call #t~string143.base, #t~string143.offset := #Ultimate.alloc(25); 340#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 751#L2505true havoc valid_product_#res;havoc valid_product_~retValue_acc~35;havoc valid_product_~retValue_acc~35;valid_product_~retValue_acc~35 := 1;valid_product_#res := valid_product_~retValue_acc~35; 309#L2513true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 921#L233true assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 261#L1432true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1160#L1438-2true 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; 1186#L997true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 817#L1003-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 265#L1432-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1143#L1438-5true 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; 1180#L997-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 825#L1003-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 253#L1432-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 1148#L1438-8true 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; 1182#L997-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 808#L1003-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 405#L220true havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, 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~15, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 1246#L2452-1true [2018-11-28 23:52:12,862 INFO L796 eck$LassoCheckResult]: Loop: 1246#L2452-1true assume !false; 894#L2304true assume test_~splverifierCounter~0 < 4; 688#L2305true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 346#L2311true assume !(0 == test_~op1~0); 841#L2324true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet65;havoc test_#t~nondet65; 740#L2329true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 1246#L2452-1true [2018-11-28 23:52:12,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:12,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2018-11-28 23:52:12,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:12,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:12,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:12,930 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:12,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:13,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:52:13,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:52:13,229 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:52:13,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:13,229 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2018-11-28 23:52:13,229 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:13,230 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:13,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:13,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:13,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:13,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:13,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:13,467 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:13,468 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:13,468 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:13,468 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:13,469 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:52:13,469 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:13,469 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:13,469 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:13,469 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:52:13,469 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:13,470 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:13,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,564 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,825 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:52:13,844 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:13,845 INFO L412 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 [2018-11-28 23:52:13,857 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:52:13,858 INFO L163 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 [2018-11-28 23:52:13,893 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:52:13,893 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:52:13,909 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:52:13,937 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:13,937 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:13,937 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:13,937 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:13,938 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:52:13,938 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:13,938 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:13,938 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:13,938 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product34_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2018-11-28 23:52:13,938 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:13,938 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:13,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:13,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:14,326 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:52:14,416 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:14,423 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:52:14,425 INFO L122 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 [2018-11-28 23:52:14,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:52:14,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:52:14,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:52:14,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:52:14,429 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:52:14,432 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:52:14,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:52:14,441 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:52:14,447 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:52:14,447 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:52:14,449 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:52:14,453 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:52:14,454 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:52:14,455 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2018-11-28 23:52:14,458 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:52:14,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:14,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:14,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:14,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:14,885 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 [2018-11-28 23:52:14,887 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1260 states. Second operand 4 states. [2018-11-28 23:52:15,411 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1260 states.. Second operand 4 states. Result 5930 states and 10162 transitions. Complement of second has 7 states. [2018-11-28 23:52:15,412 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 [2018-11-28 23:52:15,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:52:15,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5936 transitions. [2018-11-28 23:52:15,427 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5936 transitions. Stem has 18 letters. Loop has 6 letters. [2018-11-28 23:52:15,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:15,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5936 transitions. Stem has 24 letters. Loop has 6 letters. [2018-11-28 23:52:15,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:15,431 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5936 transitions. Stem has 18 letters. Loop has 12 letters. [2018-11-28 23:52:15,431 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:15,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5930 states and 10162 transitions. [2018-11-28 23:52:15,514 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2018-11-28 23:52:15,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5930 states to 1051 states and 1924 transitions. [2018-11-28 23:52:15,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2018-11-28 23:52:15,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2018-11-28 23:52:15,546 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2018-11-28 23:52:15,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:52:15,553 INFO L705 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2018-11-28 23:52:15,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2018-11-28 23:52:15,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2018-11-28 23:52:15,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2018-11-28 23:52:15,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2018-11-28 23:52:15,663 INFO L728 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2018-11-28 23:52:15,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:52:15,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:52:15,670 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2018-11-28 23:52:15,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:52:15,937 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2018-11-28 23:52:15,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:52:15,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2018-11-28 23:52:15,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2018-11-28 23:52:15,965 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2018-11-28 23:52:15,965 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2018-11-28 23:52:15,967 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2018-11-28 23:52:15,967 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2018-11-28 23:52:15,972 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-28 23:52:15,972 INFO L705 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2018-11-28 23:52:15,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2018-11-28 23:52:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2018-11-28 23:52:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2018-11-28 23:52:15,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2018-11-28 23:52:15,999 INFO L728 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-11-28 23:52:15,999 INFO L608 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2018-11-28 23:52:15,999 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:52:16,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2018-11-28 23:52:16,087 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2018-11-28 23:52:16,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:52:16,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:52:16,089 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:16,089 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:52:16,090 INFO L794 eck$LassoCheckResult]: Stem: 9256#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string0.base, #t~string0.offset := #Ultimate.alloc(44);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(44);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(9);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(9);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(11);call #t~string15.base, #t~string15.offset := #Ultimate.alloc(19);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string18.base, #t~string18.offset, 1);call write~init~int(100, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(10, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string21.base, #t~string21.offset, 1);call write~init~int(100, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(10, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string30.base, #t~string30.offset := #Ultimate.alloc(10);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(34);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(16);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(20);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);~__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;call #t~string76.base, #t~string76.offset := #Ultimate.alloc(13);call #t~string80.base, #t~string80.offset := #Ultimate.alloc(4);call write~init~int(37, #t~string80.base, #t~string80.offset, 1);call write~init~int(115, #t~string80.base, 1 + #t~string80.offset, 1);call write~init~int(10, #t~string80.base, 2 + #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 3 + #t~string80.offset, 1);call #t~string83.base, #t~string83.offset := #Ultimate.alloc(10);call #t~string86.base, #t~string86.offset := #Ultimate.alloc(12);call #t~string89.base, #t~string89.offset := #Ultimate.alloc(10);call #t~string92.base, #t~string92.offset := #Ultimate.alloc(18);call #t~string95.base, #t~string95.offset := #Ultimate.alloc(16);call #t~string98.base, #t~string98.offset := #Ultimate.alloc(21);call #t~string101.base, #t~string101.offset := #Ultimate.alloc(13);call #t~string104.base, #t~string104.offset := #Ultimate.alloc(16);call #t~string107.base, #t~string107.offset := #Ultimate.alloc(25);~head~0.base, ~head~0.offset := 0, 0;call #t~string129.base, #t~string129.offset := #Ultimate.alloc(30);call #t~string130.base, #t~string130.offset := #Ultimate.alloc(9);call #t~string131.base, #t~string131.offset := #Ultimate.alloc(21);call #t~string132.base, #t~string132.offset := #Ultimate.alloc(30);call #t~string133.base, #t~string133.offset := #Ultimate.alloc(9);call #t~string134.base, #t~string134.offset := #Ultimate.alloc(21);call #t~string138.base, #t~string138.offset := #Ultimate.alloc(30);call #t~string139.base, #t~string139.offset := #Ultimate.alloc(9);call #t~string140.base, #t~string140.offset := #Ultimate.alloc(25);call #t~string141.base, #t~string141.offset := #Ultimate.alloc(30);call #t~string142.base, #t~string142.offset := #Ultimate.alloc(9);call #t~string143.base, #t~string143.offset := #Ultimate.alloc(25); 8911#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 8912#L2505 havoc valid_product_#res;havoc valid_product_~retValue_acc~35;havoc valid_product_~retValue_acc~35;valid_product_~retValue_acc~35 := 1;valid_product_#res := valid_product_~retValue_acc~35; 9211#L2513 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 9433#L233 assume 0 != main_~tmp~1;havoc setup_#t~nondet8, setup_#t~nondet10, setup_#t~nondet12, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;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; 9408#L1432 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9145#L1438-2 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; 9398#L997 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9134#L1003-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string7.base, #t~string7.offset;havoc setup_#t~nondet8;~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; 9389#L1432-2 assume !(1 == setClientId_~handle); 9051#L1435-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9052#L1438-5 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; 9365#L997-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9148#L1003-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string9.base, #t~string9.offset;havoc setup_#t~nondet10;~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; 9401#L1432-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9084#L1438-8 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; 9372#L997-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9054#L1003-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string11.base, #t~string11.offset;havoc setup_#t~nondet12; 9242#L220 havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, 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~15, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~15;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9243#L2452-1 assume !false; 9431#L2304 [2018-11-28 23:52:16,090 INFO L796 eck$LassoCheckResult]: Loop: 9431#L2304 assume test_~splverifierCounter~0 < 4; 9115#L2305 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 8923#L2311 assume !(0 == test_~op1~0); 8925#L2324 assume !(0 == test_~op2~0); 9195#L2335 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet66;havoc test_#t~nondet66; 9188#L2340 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; 9189#L997-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9086#L1003-11 test_~op3~0 := 1; 8900#L2452-1 assume !false; 9431#L2304 [2018-11-28 23:52:16,090 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:16,090 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2018-11-28 23:52:16,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:16,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:16,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:16,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:16,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:16,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:16,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:52:16,366 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:52:16,369 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-28 23:52:16,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:16,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2018-11-28 23:52:16,369 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:52:16,369 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:52:16,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:16,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:52:16,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:52:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:52:16,623 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-11-28 23:52:16,672 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:16,672 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:16,672 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:16,673 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:16,673 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:52:16,673 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:16,673 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:16,673 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:16,674 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product34_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:52:16,674 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:16,674 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:16,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:16,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:16,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:16,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:16,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,020 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,321 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:52:17,515 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:17,515 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2018-11-28 23:52:17,521 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:52:17,521 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:17,545 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:52:17,545 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:52:17,573 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:52:17,574 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:52:17,575 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:52:17,575 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:52:17,575 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:52:17,575 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:52:17,575 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:52:17,575 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:52:17,575 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:52:17,575 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product34_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2018-11-28 23:52:17,576 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:52:17,576 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:52:17,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:52:17,829 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:52:17,830 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:52:17,830 INFO L122 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 [2018-11-28 23:52:17,831 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:52:17,831 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:52:17,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:52:17,831 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:52:17,831 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:52:17,833 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:52:17,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:52:17,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:52:17,838 INFO L122 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 [2018-11-28 23:52:17,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:52:17,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:52:17,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:52:17,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:52:17,839 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:52:17,840 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:52:17,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:52:17,844 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:52:17,847 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:52:17,847 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:52:17,847 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:52:17,847 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:52:17,848 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:52:17,848 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2018-11-28 23:52:17,848 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:52:17,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:52:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:18,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:52:18,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:52:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:52:18,164 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 [2018-11-28 23:52:18,164 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2018-11-28 23:52:18,269 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2018-11-28 23:52:18,269 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 [2018-11-28 23:52:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:52:18,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2018-11-28 23:52:18,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2018-11-28 23:52:18,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:18,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2018-11-28 23:52:18,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:18,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2018-11-28 23:52:18,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:52:18,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2018-11-28 23:52:18,283 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:52:18,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2018-11-28 23:52:18,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:52:18,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:52:18,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:52:18,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:52:18,284 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:52:18,284 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:52:18,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 23:52:18,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 23:52:18,285 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2018-11-28 23:52:18,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:52:18,285 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2018-11-28 23:52:18,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 23:52:18,286 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2018-11-28 23:52:18,286 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:52:18,286 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:52:18,287 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:52:18,287 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:52:18,287 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:52:18,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:52:18,287 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:52:18,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:52:18,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:52:18 BoogieIcfgContainer [2018-11-28 23:52:18,295 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:52:18,296 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:52:18,296 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:52:18,296 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:52:18,296 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:52:12" (3/4) ... [2018-11-28 23:52:18,301 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:52:18,302 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:52:18,302 INFO L168 Benchmark]: Toolchain (without parser) took 14385.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -178.9 MB). Peak memory consumption was 145.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:52:18,304 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:52:18,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1523.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. [2018-11-28 23:52:18,306 INFO L168 Benchmark]: Boogie Procedure Inliner took 208.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:52:18,308 INFO L168 Benchmark]: Boogie Preprocessor took 245.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:52:18,309 INFO L168 Benchmark]: RCFGBuilder took 6689.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 285.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:52:18,310 INFO L168 Benchmark]: BuchiAutomizer took 5706.49 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -74.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:52:18,311 INFO L168 Benchmark]: Witness Printer took 5.99 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:52:18,319 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1523.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 208.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 245.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 6689.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 99.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.5 MB). Peak memory consumption was 285.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5706.49 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -74.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.99 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5777 SDtfs, 5276 SDslu, 7745 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 7ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...