./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/email_spec27_product13.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 547f26b4877b8cf8973bb54e55a45661d8be503d ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:23:02,138 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:23:02,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:23:02,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:23:02,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:23:02,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:23:02,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:23:02,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:23:02,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:23:02,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:23:02,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:23:02,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:23:02,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:23:02,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:23:02,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:23:02,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:23:02,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:23:02,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:23:02,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:23:02,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:23:02,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:23:02,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:23:02,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:23:02,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:23:02,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:23:02,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:23:02,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:23:02,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:23:02,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:23:02,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:23:02,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:23:02,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:23:02,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:23:02,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:23:02,219 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:23:02,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:23:02,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:23:02,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:23:02,222 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:23:02,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:23:02,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:23:02,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:23:02,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:23:02,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:23:02,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:23:02,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:23:02,244 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:23:02,244 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:23:02,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:23:02,244 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:23:02,245 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:23:02,245 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:23:02,245 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:23:02,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:23:02,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:23:02,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:23:02,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:23:02,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:23:02,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:23:02,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:23:02,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:23:02,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:23:02,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:23:02,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:23:02,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:23:02,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:23:02,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:23:02,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:23:02,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:23:02,249 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:23:02,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:23:02,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:23:02,249 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:23:02,251 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:23:02,251 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 547f26b4877b8cf8973bb54e55a45661d8be503d [2019-11-28 03:23:02,553 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:23:02,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:23:02,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:23:02,571 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:23:02,572 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:23:02,572 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2019-11-28 03:23:02,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6438f8c55/b4ee71f7afa1463cbfc03923002cdc2c/FLAG1f0f0877c [2019-11-28 03:23:03,302 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:23:03,303 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2019-11-28 03:23:03,333 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6438f8c55/b4ee71f7afa1463cbfc03923002cdc2c/FLAG1f0f0877c [2019-11-28 03:23:03,524 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6438f8c55/b4ee71f7afa1463cbfc03923002cdc2c [2019-11-28 03:23:03,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:23:03,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:23:03,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:03,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:23:03,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:23:03,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:03" (1/1) ... [2019-11-28 03:23:03,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5022aadc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:03, skipping insertion in model container [2019-11-28 03:23:03,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:03" (1/1) ... [2019-11-28 03:23:03,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:23:03,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:23:04,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:04,370 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:23:04,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:04,575 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:23:04,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04 WrapperNode [2019-11-28 03:23:04,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:04,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:04,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:23:04,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:23:04,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:04,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:23:04,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:23:04,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:23:04,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,793 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... [2019-11-28 03:23:04,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:23:04,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:23:04,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:23:04,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:23:04,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:23:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:23:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:23:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:23:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:23:07,040 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:23:07,040 INFO L297 CfgBuilder]: Removed 239 assume(true) statements. [2019-11-28 03:23:07,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:07 BoogieIcfgContainer [2019-11-28 03:23:07,044 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:23:07,045 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:23:07,045 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:23:07,051 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:23:07,052 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:07,053 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:23:03" (1/3) ... [2019-11-28 03:23:07,057 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7141c882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:07, skipping insertion in model container [2019-11-28 03:23:07,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:07,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:04" (2/3) ... [2019-11-28 03:23:07,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7141c882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:07, skipping insertion in model container [2019-11-28 03:23:07,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:07,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:07" (3/3) ... [2019-11-28 03:23:07,062 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec27_product13.cil.c [2019-11-28 03:23:07,122 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:23:07,122 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:23:07,122 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:23:07,122 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:23:07,122 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:23:07,123 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:23:07,123 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:23:07,123 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:23:07,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 399 states. [2019-11-28 03:23:07,246 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:07,246 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:07,246 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:07,258 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:07,258 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:07,258 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:23:07,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 399 states. [2019-11-28 03:23:07,270 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:07,270 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:07,270 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:07,278 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:07,278 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:07,296 INFO L794 eck$LassoCheckResult]: Stem: 278#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(10);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(12);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(18);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(44);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.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);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~__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; 230#L-1true havoc main_#res;havoc main_#t~nondet91, main_#t~ret92, main_~retValue_acc~31, main_~tmp~15;main_~retValue_acc~31 := main_#t~nondet91;havoc main_#t~nondet91;havoc main_~tmp~15; 389#L459true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 104#L467true main_#t~ret92 := valid_product_#res;main_~tmp~15 := main_#t~ret92;havoc main_#t~ret92; 159#L2071true assume 0 != main_~tmp~15;havoc setup_#t~nondet86, setup_#t~nondet88, setup_#t~nondet90, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 318#L1904true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 76#L1910-2true 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; 105#L1469true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 290#L1475-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string85.base, #t~string85.offset;havoc setup_#t~nondet86;~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; 304#L1904-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 82#L1910-5true 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; 110#L1469-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 279#L1475-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string87.base, #t~string87.offset;havoc setup_#t~nondet88;~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; 311#L1904-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 50#L1910-8true 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; 97#L1469-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 282#L1475-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string89.base, #t~string89.offset;havoc setup_#t~nondet90; 229#L2058true havoc test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, 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~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 202#L2810-1true [2019-11-28 03:23:07,298 INFO L796 eck$LassoCheckResult]: Loop: 202#L2810-1true assume !false; 22#L2668true assume test_~splverifierCounter~0 < 4; 5#L2669true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 295#L2675true assume !(0 == test_~op1~0); 152#L2688true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet113;havoc test_#t~nondet113; 347#L2693true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 202#L2810-1true [2019-11-28 03:23:07,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:07,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:23:07,316 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:07,317 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036865166] [2019-11-28 03:23:07,317 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:07,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036865166] [2019-11-28 03:23:07,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:07,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:23:07,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610398085] [2019-11-28 03:23:07,747 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:07,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:07,748 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:23:07,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:07,748 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527715467] [2019-11-28 03:23:07,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:07,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:07,796 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:07,848 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:07,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:07,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:07,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:07,849 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:07,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:07,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:07,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:07,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product13.cil.c_Iteration1_Loop [2019-11-28 03:23:07,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:07,851 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:07,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:07,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:07,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:07,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:08,022 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:08,023 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:08,033 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:08,034 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:08,055 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:08,056 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:08,067 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:08,073 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:08,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:08,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:08,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:08,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:08,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:08,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:08,075 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:08,075 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product13.cil.c_Iteration1_Loop [2019-11-28 03:23:08,075 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:08,075 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:08,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:08,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:08,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:08,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:08,258 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:08,264 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:08,285 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:23:08,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:08,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:08,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:08,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:08,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:08,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:08,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:08,296 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:08,334 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:08,335 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:08,396 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:08,396 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:08,397 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:08,398 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-28 03:23:08,404 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:23:08,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:08,579 INFO L255 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:08,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:08,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:08,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:08,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:08,666 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-28 03:23:08,668 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 399 states. Second operand 4 states. [2019-11-28 03:23:08,892 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 399 states.. Second operand 4 states. Result 1672 states and 2944 transitions. Complement of second has 7 states. [2019-11-28 03:23:08,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:23:08,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:08,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1636 transitions. [2019-11-28 03:23:08,900 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1636 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:23:08,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:08,902 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1636 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:23:08,902 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:08,903 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1636 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:23:08,903 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:08,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1672 states and 2944 transitions. [2019-11-28 03:23:08,921 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-11-28 03:23:08,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1672 states to 863 states and 1568 transitions. [2019-11-28 03:23:08,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-11-28 03:23:08,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-11-28 03:23:08,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-11-28 03:23:08,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:08,940 INFO L688 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-11-28 03:23:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-11-28 03:23:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-11-28 03:23:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-28 03:23:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-11-28 03:23:09,025 INFO L711 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-11-28 03:23:09,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:09,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:23:09,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:23:09,033 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-11-28 03:23:09,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:09,109 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-11-28 03:23:09,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:23:09,110 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-11-28 03:23:09,120 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-11-28 03:23:09,130 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-11-28 03:23:09,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-11-28 03:23:09,132 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-11-28 03:23:09,132 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-11-28 03:23:09,133 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:09,133 INFO L688 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-11-28 03:23:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-11-28 03:23:09,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-11-28 03:23:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-11-28 03:23:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-11-28 03:23:09,158 INFO L711 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-28 03:23:09,159 INFO L591 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-28 03:23:09,159 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:23:09,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-11-28 03:23:09,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:09,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:09,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:09,170 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:09,171 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:09,171 INFO L794 eck$LassoCheckResult]: Stem: 3754#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(10);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(12);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(10);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(18);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(16);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(16);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(44);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(44);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(9);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(9);call #t~string89.base, #t~string89.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);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(16);~head~0.base, ~head~0.offset := 0, 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__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;~__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; 3512#L-1 havoc main_#res;havoc main_#t~nondet91, main_#t~ret92, main_~retValue_acc~31, main_~tmp~15;main_~retValue_acc~31 := main_#t~nondet91;havoc main_#t~nondet91;havoc main_~tmp~15; 3513#L459 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3836#L467 main_#t~ret92 := valid_product_#res;main_~tmp~15 := main_#t~ret92;havoc main_#t~ret92; 3837#L2071 assume 0 != main_~tmp~15;havoc setup_#t~nondet86, setup_#t~nondet88, setup_#t~nondet90, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3840#L1904 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3752#L1910-2 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; 3753#L1469 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3789#L1475-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string85.base, #t~string85.offset;havoc setup_#t~nondet86;~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; 3801#L1904-2 assume !(1 == setClientId_~handle); 3825#L1907-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3775#L1910-5 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; 3776#L1469-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3755#L1475-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string87.base, #t~string87.offset;havoc setup_#t~nondet88;~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; 3756#L1904-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3672#L1910-8 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; 3673#L1469-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3758#L1475-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string89.base, #t~string89.offset;havoc setup_#t~nondet90; 3510#L2058 havoc test_#t~nondet112, test_#t~nondet113, test_#t~nondet114, test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, 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~18, test_~tmp___0~6, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~6;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3511#L2810-1 assume !false; 3620#L2668 [2019-11-28 03:23:09,172 INFO L796 eck$LassoCheckResult]: Loop: 3620#L2668 assume test_~splverifierCounter~0 < 4; 3506#L2669 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3507#L2675 assume !(0 == test_~op1~0); 3612#L2688 assume !(0 == test_~op2~0); 3900#L2699 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet114;havoc test_#t~nondet114; 3901#L2704 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; 3827#L1469-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3688#L1475-11 test_~op3~0 := 1; 3535#L2810-1 assume !false; 3620#L2668 [2019-11-28 03:23:09,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:23:09,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:09,173 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680573259] [2019-11-28 03:23:09,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:09,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:09,331 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680573259] [2019-11-28 03:23:09,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:09,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:23:09,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568568159] [2019-11-28 03:23:09,332 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:09,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:09,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:23:09,333 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:09,333 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765786154] [2019-11-28 03:23:09,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:09,381 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:09,452 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:09,452 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:09,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:09,453 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:09,453 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:09,453 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,453 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:09,453 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:09,453 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product13.cil.c_Iteration2_Loop [2019-11-28 03:23:09,453 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:09,454 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:09,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,630 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:09,630 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:09,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:09,636 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,645 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-28 03:23:09,645 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet114=-4, ULTIMATE.start_test_~tmp___7~0=-4} Honda state: {ULTIMATE.start_test_#t~nondet114=-4, ULTIMATE.start_test_~tmp___7~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:09,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:09,660 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,672 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:09,672 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-28 03:23:09,691 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:09,693 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:09,693 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:09,694 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:09,694 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:09,694 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:09,694 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,694 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:09,694 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:09,694 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product13.cil.c_Iteration2_Loop [2019-11-28 03:23:09,695 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:09,698 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:09,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,750 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:09,886 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:09,890 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:09,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:09,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:09,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:09,901 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-28 03:23:09,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:09,904 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-28 03:23:09,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:23:09,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-28 03:23:09,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:09,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:09,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:09,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:09,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:09,925 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:09,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:23:09,928 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:09,931 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:09,931 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:09,940 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:09,940 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:09,941 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:09,941 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:09,953 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:23:09,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:10,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:10,092 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:10,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:10,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:10,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:10,154 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:23:10,154 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-11-28 03:23:10,183 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. [2019-11-28 03:23:10,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-28 03:23:10,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-11-28 03:23:10,184 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:23:10,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:10,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:23:10,185 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:10,185 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:23:10,186 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:10,186 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-11-28 03:23:10,194 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:10,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-11-28 03:23:10,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:10,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:10,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:10,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:10,195 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:10,195 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:10,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:10,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:23:10,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:23:10,196 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:23:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:10,196 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:23:10,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:23:10,197 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:23:10,197 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:10,197 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:23:10,197 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:10,197 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:10,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:10,197 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:10,198 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:10,198 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:10,198 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:10,198 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:23:10,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:23:10,198 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:10,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:23:10,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:23:10 BoogieIcfgContainer [2019-11-28 03:23:10,206 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:23:10,208 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:23:10,208 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:23:10,209 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:23:10,209 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:07" (3/4) ... [2019-11-28 03:23:10,213 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:23:10,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:23:10,218 INFO L168 Benchmark]: Toolchain (without parser) took 6685.98 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 235.9 MB). Free memory was 949.6 MB in the beginning and 924.2 MB in the end (delta: 25.4 MB). Peak memory consumption was 261.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:10,218 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:10,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1044.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:10,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:10,222 INFO L168 Benchmark]: Boogie Preprocessor took 108.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:10,229 INFO L168 Benchmark]: RCFGBuilder took 2231.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 193.6 MB). Peak memory consumption was 193.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:10,230 INFO L168 Benchmark]: BuchiAutomizer took 3161.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 887.8 MB in the beginning and 924.2 MB in the end (delta: -36.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:10,230 INFO L168 Benchmark]: Witness Printer took 5.78 ms. Allocated memory is still 1.3 GB. Free memory is still 924.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:10,243 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1044.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 127.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 108.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2231.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 887.8 MB in the end (delta: 193.6 MB). Peak memory consumption was 193.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3161.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 94.9 MB). Free memory was 887.8 MB in the beginning and 924.2 MB in the end (delta: -36.4 MB). Peak memory consumption was 58.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.78 ms. Allocated memory is still 1.3 GB. Free memory is still 924.2 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 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s 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: 2592 SDtfs, 2180 SDslu, 3101 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...