./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/email_spec3_product28_false-unreach-call_true-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa 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_spec3_product28_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 e6e363d3704a0ad03d88299f5e4d4a3cb804c5e8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:28:08,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:28:08,939 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:28:08,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:28:08,954 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:28:08,955 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:28:08,957 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:28:08,959 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:28:08,961 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:28:08,962 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:28:08,963 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:28:08,963 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:28:08,964 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:28:08,965 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:28:08,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:28:08,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:28:08,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:28:08,971 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:28:08,973 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:28:08,975 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:28:08,977 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:28:08,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:28:08,981 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:28:08,981 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:28:08,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:28:08,983 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:28:08,984 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:28:08,986 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:28:08,986 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:28:08,988 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:28:08,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:28:08,989 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:28:08,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:28:08,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:28:08,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:28:08,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:28:08,992 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:28:09,016 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:28:09,017 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:28:09,018 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:28:09,019 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:28:09,019 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:28:09,019 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:28:09,019 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:28:09,020 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:28:09,020 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:28:09,020 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:28:09,020 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:28:09,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:28:09,021 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:28:09,021 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:28:09,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:28:09,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:28:09,022 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:28:09,023 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:28:09,023 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:28:09,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:28:09,024 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:28:09,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:28:09,024 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:28:09,024 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:28:09,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:28:09,026 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:28:09,026 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:28:09,026 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:28:09,026 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:28:09,027 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:28:09,027 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:28:09,028 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:28:09,029 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 -> e6e363d3704a0ad03d88299f5e4d4a3cb804c5e8 [2019-01-01 23:28:09,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:28:09,090 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:28:09,098 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:28:09,099 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:28:09,100 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:28:09,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/email_spec3_product28_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:09,157 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d484de37/443c78b5a8e5452e9d085f648f40add9/FLAGe5e445118 [2019-01-01 23:28:09,770 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:28:09,772 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/email_spec3_product28_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:09,802 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d484de37/443c78b5a8e5452e9d085f648f40add9/FLAGe5e445118 [2019-01-01 23:28:09,986 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d484de37/443c78b5a8e5452e9d085f648f40add9 [2019-01-01 23:28:09,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:28:09,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:28:09,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:28:09,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:28:09,999 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:28:10,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:28:09" (1/1) ... [2019-01-01 23:28:10,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:10, skipping insertion in model container [2019-01-01 23:28:10,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:28:09" (1/1) ... [2019-01-01 23:28:10,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:28:10,106 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:28:10,830 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:28:10,857 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:28:11,086 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:28:11,189 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:28:11,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11 WrapperNode [2019-01-01 23:28:11,190 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:28:11,191 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:28:11,191 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:28:11,191 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:28:11,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,243 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:28:11,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:28:11,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:28:11,349 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:28:11,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,440 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... [2019-01-01 23:28:11,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:28:11,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:28:11,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:28:11,470 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:28:11,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-01-01 23:28:11,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:28:11,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:28:11,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:28:15,587 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:28:15,587 INFO L280 CfgBuilder]: Removed 311 assue(true) statements. [2019-01-01 23:28:15,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:15 BoogieIcfgContainer [2019-01-01 23:28:15,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:28:15,588 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:28:15,589 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:28:15,594 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:28:15,595 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:15,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:28:09" (1/3) ... [2019-01-01 23:28:15,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b911ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:28:15, skipping insertion in model container [2019-01-01 23:28:15,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:15,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:28:11" (2/3) ... [2019-01-01 23:28:15,597 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b911ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:28:15, skipping insertion in model container [2019-01-01 23:28:15,597 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:28:15,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:15" (3/3) ... [2019-01-01 23:28:15,599 INFO L375 chiAutomizerObserver]: Analyzing ICFG email_spec3_product28_false-unreach-call_true-termination.cil.c [2019-01-01 23:28:15,667 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:28:15,668 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:28:15,668 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:28:15,668 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:28:15,668 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:28:15,668 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:28:15,668 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:28:15,669 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:28:15,669 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:28:15,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 511 states. [2019-01-01 23:28:15,782 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-01-01 23:28:15,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:15,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:15,805 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:15,806 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:28:15,806 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:28:15,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 511 states. [2019-01-01 23:28:15,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-01-01 23:28:15,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:15,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:15,831 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:15,831 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:28:15,844 INFO L794 eck$LassoCheckResult]: Stem: 365#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;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);~sent_signed~0 := -1;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(15);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(11);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(19);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(100, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);~__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~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string118.base, #t~string118.offset, 1);call write~init~int(115, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(10, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(20); 268#L-1true havoc main_#res;havoc main_#t~ret92, main_~retValue_acc~24, main_~tmp~12;havoc main_~retValue_acc~24;havoc main_~tmp~12; 294#L2652true havoc valid_product_#res;havoc valid_product_~retValue_acc~38;havoc valid_product_~retValue_acc~38;valid_product_~retValue_acc~38 := 1;valid_product_#res := valid_product_~retValue_acc~38; 421#L2660true main_#t~ret92 := valid_product_#res;main_~tmp~12 := main_#t~ret92;havoc main_#t~ret92; 230#L1874true assume 0 != main_~tmp~12;havoc setup_#t~nondet87, setup_#t~nondet89, setup_#t~nondet91, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 227#L1698true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 473#L1704-2true 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; 509#L1263true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 193#L1269-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 229#L1698-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 450#L1704-5true 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; 491#L1263-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 201#L1269-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214#L1698-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 459#L1704-8true 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; 498#L1263-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 190#L1269-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string90.base, #t~string90.offset;havoc setup_#t~nondet91; 346#L1861true havoc test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, 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~14, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 95#L2582-1true [2019-01-01 23:28:15,845 INFO L796 eck$LassoCheckResult]: Loop: 95#L2582-1true assume !false; 416#L2440true assume test_~splverifierCounter~0 < 4; 501#L2441true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222#L2447true assume !(0 == test_~op1~0); 138#L2460true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet108;havoc test_#t~nondet108; 286#L2465true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 95#L2582-1true [2019-01-01 23:28:15,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:15,855 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-01-01 23:28:15,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:15,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:15,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:15,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:15,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:16,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:28:16,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:28:16,277 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:28:16,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:16,277 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-01-01 23:28:16,278 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:16,278 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:16,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:16,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:16,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:16,447 WARN L181 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:28:16,482 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:16,484 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:16,484 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:16,484 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:16,484 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:28:16,484 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:16,485 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:16,485 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:16,485 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product28_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:28:16,485 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:16,486 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:16,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:16,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:16,696 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:16,788 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:16,971 WARN L181 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:28:17,106 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:17,107 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 [2019-01-01 23:28:17,171 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:28:17,172 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) [2019-01-01 23:28:17,222 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:28:17,223 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:17,234 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:28:17,252 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:17,252 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:17,252 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:17,252 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:17,252 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:28:17,252 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:17,253 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:17,253 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:17,253 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product28_false-unreach-call_true-termination.cil.c_Iteration1_Loop [2019-01-01 23:28:17,253 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:17,253 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:17,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:17,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:17,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:17,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:17,471 WARN L181 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:28:17,589 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:28:17,757 WARN L181 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2019-01-01 23:28:17,983 WARN L181 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2019-01-01 23:28:18,020 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:18,026 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:28:18,028 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 [2019-01-01 23:28:18,030 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:28:18,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:28:18,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:28:18,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:28:18,031 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:28:18,033 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:28:18,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:28:18,038 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:28:18,051 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:28:18,051 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:28:18,054 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:28:18,055 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:28:18,055 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:28:18,056 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-01-01 23:28:18,058 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:28:18,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:18,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:18,418 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:18,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:18,592 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-01 23:28:18,594 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 511 states. Second operand 4 states. [2019-01-01 23:28:18,953 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 511 states.. Second operand 4 states. Result 2232 states and 3900 transitions. Complement of second has 7 states. [2019-01-01 23:28:18,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:28:18,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:28:18,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2212 transitions. [2019-01-01 23:28:18,965 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2212 transitions. Stem has 18 letters. Loop has 6 letters. [2019-01-01 23:28:18,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:18,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2212 transitions. Stem has 24 letters. Loop has 6 letters. [2019-01-01 23:28:18,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:18,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2212 transitions. Stem has 18 letters. Loop has 12 letters. [2019-01-01 23:28:18,969 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:18,971 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2232 states and 3900 transitions. [2019-01-01 23:28:19,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-01-01 23:28:19,032 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2232 states to 863 states and 1568 transitions. [2019-01-01 23:28:19,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-01-01 23:28:19,037 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-01-01 23:28:19,038 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-01-01 23:28:19,039 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:28:19,039 INFO L705 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-01-01 23:28:19,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-01-01 23:28:19,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-01-01 23:28:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-01-01 23:28:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-01-01 23:28:19,126 INFO L728 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-01-01 23:28:19,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:28:19,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:28:19,132 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-01-01 23:28:19,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:28:19,257 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-01-01 23:28:19,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:28:19,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-01-01 23:28:19,276 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-01-01 23:28:19,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-01-01 23:28:19,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-01-01 23:28:19,285 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-01-01 23:28:19,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-01-01 23:28:19,287 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-01 23:28:19,288 INFO L705 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-01-01 23:28:19,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-01-01 23:28:19,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-01-01 23:28:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-01-01 23:28:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-01-01 23:28:19,321 INFO L728 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-01-01 23:28:19,321 INFO L608 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-01-01 23:28:19,321 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:28:19,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-01-01 23:28:19,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-01-01 23:28:19,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:28:19,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:28:19,327 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] [2019-01-01 23:28:19,329 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:28:19,330 INFO L794 eck$LassoCheckResult]: Stem: 4498#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;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(10);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(18);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(16);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(21);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(16);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(25);~sent_signed~0 := -1;call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(15);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(9);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(11);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(19);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string97.base, #t~string97.offset, 1);call write~init~int(100, #t~string97.base, 1 + #t~string97.offset, 1);call write~init~int(10, #t~string97.base, 2 + #t~string97.offset, 1);call write~init~int(0, #t~string97.base, 3 + #t~string97.offset, 1);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string100.base, #t~string100.offset, 1);call write~init~int(100, #t~string100.base, 1 + #t~string100.offset, 1);call write~init~int(10, #t~string100.base, 2 + #t~string100.offset, 1);call write~init~int(0, #t~string100.base, 3 + #t~string100.offset, 1);~__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~string118.base, #t~string118.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string118.base, #t~string118.offset, 1);call write~init~int(115, #t~string118.base, 1 + #t~string118.offset, 1);call write~init~int(10, #t~string118.base, 2 + #t~string118.offset, 1);call write~init~int(0, #t~string118.base, 3 + #t~string118.offset, 1);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(10);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(20); 4210#L-1 havoc main_#res;havoc main_#t~ret92, main_~retValue_acc~24, main_~tmp~12;havoc main_~retValue_acc~24;havoc main_~tmp~12; 4211#L2652 havoc valid_product_#res;havoc valid_product_~retValue_acc~38;havoc valid_product_~retValue_acc~38;valid_product_~retValue_acc~38 := 1;valid_product_#res := valid_product_~retValue_acc~38; 4293#L2660 main_#t~ret92 := valid_product_#res;main_~tmp~12 := main_#t~ret92;havoc main_#t~ret92; 4570#L1874 assume 0 != main_~tmp~12;havoc setup_#t~nondet87, setup_#t~nondet89, setup_#t~nondet91, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4612#L1698 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4515#L1704-2 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; 4598#L1263 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4504#L1269-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4597#L1698-2 assume !(1 == setClientId_~handle); 4440#L1701-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4441#L1704-5 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; 4589#L1263-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4518#L1269-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4599#L1698-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4457#L1704-8 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; 4594#L1263-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4443#L1269-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string90.base, #t~string90.offset;havoc setup_#t~nondet91; 4438#L1861 havoc test_#t~nondet107, test_#t~nondet108, test_#t~nondet109, test_#t~nondet110, test_#t~nondet111, test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, 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~14, test_~tmp___0~6, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~14;havoc test_~tmp___0~6;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4439#L2582-1 assume !false; 4484#L2440 [2019-01-01 23:28:19,337 INFO L796 eck$LassoCheckResult]: Loop: 4484#L2440 assume test_~splverifierCounter~0 < 4; 4568#L2441 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4610#L2447 assume !(0 == test_~op1~0); 4554#L2460 assume !(0 == test_~op2~0); 4267#L2471 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet109;havoc test_#t~nondet109; 4275#L2476 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; 4277#L1263-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4459#L1269-11 test_~op3~0 := 1; 4313#L2582-1 assume !false; 4484#L2440 [2019-01-01 23:28:19,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:19,337 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-01-01 23:28:19,337 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:19,337 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:19,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:19,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:19,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:19,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:28:19,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:28:19,651 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-01-01 23:28:19,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:19,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-01-01 23:28:19,652 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:28:19,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:28:19,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:19,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:28:19,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:28:19,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:28:19,855 WARN L181 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:28:19,992 WARN L181 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-01-01 23:28:19,994 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:19,994 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:19,994 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:19,994 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:19,994 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:28:19,995 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:19,995 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:19,995 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:19,995 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product28_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:28:19,995 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:19,996 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:19,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,574 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:20,575 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 [2019-01-01 23:28:20,579 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:28:20,579 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 [2019-01-01 23:28:20,601 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:28:20,601 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:28:20,624 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:28:20,625 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:28:20,625 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:28:20,626 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:28:20,626 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:28:20,626 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:28:20,626 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:28:20,626 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:28:20,626 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:28:20,626 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec3_product28_false-unreach-call_true-termination.cil.c_Iteration2_Loop [2019-01-01 23:28:20,626 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:28:20,626 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:28:20,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,671 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:28:20,885 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:28:20,885 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:28:20,886 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 [2019-01-01 23:28:20,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:28:20,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:28:20,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:28:20,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:28:20,887 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:28:20,887 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:28:20,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:28:20,894 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:28:20,896 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-01 23:28:20,897 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-01 23:28:20,897 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:28:20,897 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-01 23:28:20,897 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:28:20,898 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-01-01 23:28:20,898 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-01 23:28:20,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:28:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:21,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:28:21,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:28:21,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:28:21,304 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-01-01 23:28:21,304 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-01-01 23:28:21,394 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2019-01-01 23:28:21,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-01 23:28:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-01 23:28:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-01-01 23:28:21,397 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-01-01 23:28:21,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:21,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-01-01 23:28:21,400 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:21,400 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-01-01 23:28:21,402 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:28:21,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-01-01 23:28:21,413 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:21,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-01-01 23:28:21,413 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:28:21,413 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:28:21,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:28:21,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:28:21,414 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:21,414 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:21,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-01 23:28:21,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-01 23:28:21,417 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-01-01 23:28:21,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:28:21,417 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-01 23:28:21,417 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-01 23:28:21,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-01 23:28:21,418 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:21,418 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-01 23:28:21,418 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:28:21,418 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:28:21,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:28:21,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:28:21,419 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:21,419 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:21,419 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:28:21,419 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-01 23:28:21,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:28:21,419 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:28:21,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:28:21,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:28:21 BoogieIcfgContainer [2019-01-01 23:28:21,432 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:28:21,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:28:21,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:28:21,433 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:28:21,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:28:15" (3/4) ... [2019-01-01 23:28:21,439 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:28:21,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:28:21,442 INFO L168 Benchmark]: Toolchain (without parser) took 11450.64 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 227.5 MB). Free memory was 937.9 MB in the beginning and 916.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 249.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,445 INFO L168 Benchmark]: CDTParser took 1.06 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. [2019-01-01 23:28:21,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1195.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 157.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,450 INFO L168 Benchmark]: Boogie Preprocessor took 120.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,451 INFO L168 Benchmark]: RCFGBuilder took 4118.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.2 MB in the end (delta: 222.9 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,454 INFO L168 Benchmark]: BuchiAutomizer took 5843.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 859.2 MB in the beginning and 916.2 MB in the end (delta: -57.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-01-01 23:28:21,456 INFO L168 Benchmark]: Witness Printer took 8.86 ms. Allocated memory is still 1.3 GB. Free memory is still 916.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:28:21,466 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 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 1195.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 937.9 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 157.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 120.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4118.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.2 MB in the end (delta: 222.9 MB). Peak memory consumption was 222.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5843.53 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 90.2 MB). Free memory was 859.2 MB in the beginning and 916.2 MB in the end (delta: -57.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Witness Printer took 8.86 ms. Allocated memory is still 1.3 GB. Free memory is still 916.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.1s. 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, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2972 SDtfs, 2560 SDslu, 3671 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 28ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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...