./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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_spec11_product35.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 64b9820820e2f6266fdd291c5531032c7c1574db ............................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:26:32,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:26:32,241 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:26:32,253 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:26:32,254 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:26:32,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:26:32,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:26:32,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:26:32,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:26:32,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:26:32,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:26:32,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:26:32,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:26:32,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:26:32,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:26:32,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:26:32,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:26:32,273 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:26:32,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:26:32,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:26:32,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:26:32,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:26:32,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:26:32,282 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:26:32,284 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:26:32,284 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:26:32,285 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:26:32,286 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:26:32,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:26:32,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:26:32,287 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:26:32,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:26:32,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:26:32,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:26:32,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:26:32,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:26:32,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:26:32,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:26:32,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:26:32,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:26:32,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:26:32,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:26:32,311 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:26:32,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:26:32,312 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:26:32,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:26:32,313 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:26:32,313 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:26:32,313 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:26:32,314 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:26:32,314 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:26:32,314 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:26:32,315 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:26:32,315 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:26:32,315 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:26:32,315 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:26:32,316 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:26:32,316 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:26:32,316 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:26:32,316 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:26:32,317 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:26:32,317 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:26:32,317 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:26:32,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:26:32,318 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:26:32,318 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:26:32,318 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:26:32,319 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:26:32,319 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:26:32,319 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:26:32,319 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:26:32,320 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:26:32,320 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:26:32,321 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:26:32,321 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 -> 64b9820820e2f6266fdd291c5531032c7c1574db [2019-11-19 22:26:32,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:26:32,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:26:32,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:26:32,636 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:26:32,636 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:26:32,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2019-11-19 22:26:32,697 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53224b7bd/2e0f8809012540369550f72bf6018980/FLAG578593fd6 [2019-11-19 22:26:33,325 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:26:33,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product35.cil.c [2019-11-19 22:26:33,348 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53224b7bd/2e0f8809012540369550f72bf6018980/FLAG578593fd6 [2019-11-19 22:26:33,532 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53224b7bd/2e0f8809012540369550f72bf6018980 [2019-11-19 22:26:33,535 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:26:33,536 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:26:33,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:33,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:26:33,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:26:33,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:33" (1/1) ... [2019-11-19 22:26:33,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5989fe69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:33, skipping insertion in model container [2019-11-19 22:26:33,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:26:33" (1/1) ... [2019-11-19 22:26:33,555 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:26:33,631 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:26:34,394 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:34,419 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:26:34,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:26:34,750 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:26:34,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34 WrapperNode [2019-11-19 22:26:34,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:26:34,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:34,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:26:34,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:26:34,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:34,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:34,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:26:34,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:26:34,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:26:34,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:26:35,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,047 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,162 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (1/1) ... [2019-11-19 22:26:35,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:26:35,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:26:35,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:26:35,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:26:35,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (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 [2019-11-19 22:26:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-19 22:26:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:26:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:26:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:26:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:26:39,096 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:26:39,097 INFO L285 CfgBuilder]: Removed 937 assume(true) statements. [2019-11-19 22:26:39,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:39 BoogieIcfgContainer [2019-11-19 22:26:39,101 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:26:39,103 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:26:39,103 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:26:39,108 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:26:39,111 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:39,111 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:26:33" (1/3) ... [2019-11-19 22:26:39,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bda9d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:26:39, skipping insertion in model container [2019-11-19 22:26:39,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:39,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:26:34" (2/3) ... [2019-11-19 22:26:39,115 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bda9d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:26:39, skipping insertion in model container [2019-11-19 22:26:39,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:26:39,115 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:39" (3/3) ... [2019-11-19 22:26:39,118 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec11_product35.cil.c [2019-11-19 22:26:39,187 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:26:39,187 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:26:39,188 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:26:39,188 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:26:39,188 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:26:39,188 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:26:39,189 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:26:39,189 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:26:39,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1324 states. [2019-11-19 22:26:39,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-19 22:26:39,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:26:39,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:26:39,395 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:26:39,396 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:26:39,396 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:26:39,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1324 states. [2019-11-19 22:26:39,417 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 259 [2019-11-19 22:26:39,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:26:39,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:26:39,427 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:26:39,427 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:26:39,447 INFO L794 eck$LassoCheckResult]: Stem: 490#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~__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;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(20);~head~0.base, ~head~0.offset := 0, 0;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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);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~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string51.base, #t~string51.offset, 1);call write~init~int(115, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(10, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(10);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(12);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(18);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(16);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(16);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(34);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(20);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(22);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(44);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(44);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(9);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(11);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(19);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string139.base, #t~string139.offset, 1);call write~init~int(100, #t~string139.base, 1 + #t~string139.offset, 1);call write~init~int(10, #t~string139.base, 2 + #t~string139.offset, 1);call write~init~int(0, #t~string139.base, 3 + #t~string139.offset, 1);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string142.base, #t~string142.offset, 1);call write~init~int(100, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(10, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.offset, 1); 374#L-1true havoc main_#res;havoc main_#t~ret134, main_~retValue_acc~43, main_~tmp~25;havoc main_~retValue_acc~43;havoc main_~tmp~25; 758#L2791true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 314#L2799true main_#t~ret134 := valid_product_#res;main_~tmp~25 := main_#t~ret134;havoc main_#t~ret134; 775#L2945true assume 0 != main_~tmp~25;havoc setup_#t~nondet129, setup_#t~nondet131, setup_#t~nondet133, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 753#L1514true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 210#L1520-2true 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; 477#L1079true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1219#L1085-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string128.base, #t~string128.offset;havoc setup_#t~nondet129;~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; 732#L1514-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 219#L1520-5true 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; 484#L1079-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1197#L1085-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string130.base, #t~string130.offset;havoc setup_#t~nondet131;~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; 737#L1514-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 190#L1520-8true 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; 462#L1079-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1207#L1085-8true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string132.base, #t~string132.offset;havoc setup_#t~nondet133; 62#L2932true havoc test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, 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~6, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 540#L2132-1true [2019-11-19 22:26:39,448 INFO L796 eck$LassoCheckResult]: Loop: 540#L2132-1true assume !false; 521#L1981true assume test_~splverifierCounter~0 < 4; 460#L1982true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1193#L1988true assume !(0 == test_~op1~0); 614#L2001true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet41;havoc test_#t~nondet41; 330#L2006true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 609#L1032true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 247#L1038-2true test_~op2~0 := 1; 540#L2132-1true [2019-11-19 22:26:39,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:39,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-19 22:26:39,473 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:39,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15279463] [2019-11-19 22:26:39,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:26:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:26:39,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15279463] [2019-11-19 22:26:39,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:26:39,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:26:39,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478698172] [2019-11-19 22:26:39,994 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-19 22:26:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2019-11-19 22:26:39,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:26:39,996 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620481859] [2019-11-19 22:26:39,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:26:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:26:40,051 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:26:40,152 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:40,153 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:40,153 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:40,153 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:40,154 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-19 22:26:40,154 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:40,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:40,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:40,155 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration1_Loop [2019-11-19 22:26:40,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:40,155 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:40,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,359 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:40,360 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:40,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-19 22:26:40,370 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:40,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-19 22:26:40,383 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-19 22:26:40,392 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-19 22:26:40,397 INFO L210 LassoAnalysis]: Preferences: [2019-11-19 22:26:40,397 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-19 22:26:40,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-19 22:26:40,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-19 22:26:40,398 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-19 22:26:40,398 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:40,398 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-19 22:26:40,398 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-19 22:26:40,398 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec11_product35.cil.c_Iteration1_Loop [2019-11-19 22:26:40,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-19 22:26:40,399 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-19 22:26:40,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-19 22:26:40,661 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-19 22:26:40,667 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) [2019-11-19 22:26:40,679 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 [2019-11-19 22:26:40,682 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-19 22:26:40,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-19 22:26:40,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-19 22:26:40,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-19 22:26:40,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-19 22:26:40,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-19 22:26:40,689 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 [2019-11-19 22:26:40,693 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-19 22:26:40,705 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-19 22:26:40,705 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-19 22:26:40,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-19 22:26:40,772 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 22:26:40,774 INFO L510 LassoAnalysis]: Proved termination. [2019-11-19 22:26:40,775 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-19 22:26:40,782 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-19 22:26:40,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:26:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:26:41,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-19 22:26:41,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:26:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:26:41,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-19 22:26:41,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-19 22:26:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:26:41,462 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 [2019-11-19 22:26:41,463 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1324 states. Second operand 5 states. [2019-11-19 22:26:41,757 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1324 states.. Second operand 5 states. Result 3659 states and 6218 transitions. Complement of second has 7 states. [2019-11-19 22:26:41,758 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 [2019-11-19 22:26:41,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-19 22:26:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4006 transitions. [2019-11-19 22:26:41,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 18 letters. Loop has 8 letters. [2019-11-19 22:26:41,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:26:41,770 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 26 letters. Loop has 8 letters. [2019-11-19 22:26:41,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:26:41,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4006 transitions. Stem has 18 letters. Loop has 16 letters. [2019-11-19 22:26:41,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-19 22:26:41,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3659 states and 6218 transitions. [2019-11-19 22:26:41,810 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:26:41,813 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3659 states to 0 states and 0 transitions. [2019-11-19 22:26:41,815 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:26:41,815 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:26:41,816 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:26:41,816 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:26:41,816 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:26:41,816 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:26:41,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:26:41,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:26:41,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:26:41,823 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-11-19 22:26:41,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:26:41,826 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-19 22:26:41,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-19 22:26:41,827 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-19 22:26:41,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:26:41,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-19 22:26:41,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-19 22:26:41,828 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-19 22:26:41,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-19 22:26:41,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:26:41,829 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:26:41,829 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:26:41,829 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-19 22:26:41,830 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:26:41,830 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-19 22:26:41,830 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-19 22:26:41,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-19 22:26:41,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:26:41 BoogieIcfgContainer [2019-11-19 22:26:41,837 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:26:41,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:26:41,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:26:41,838 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:26:41,839 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:26:39" (3/4) ... [2019-11-19 22:26:41,843 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-19 22:26:41,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:26:41,846 INFO L168 Benchmark]: Toolchain (without parser) took 8308.71 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 342.4 MB). Free memory was 952.3 MB in the beginning and 1.2 GB in the end (delta: -253.9 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:41,847 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:26:41,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1215.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:41,850 INFO L168 Benchmark]: Boogie Procedure Inliner took 244.89 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:41,851 INFO L168 Benchmark]: Boogie Preprocessor took 221.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:41,852 INFO L168 Benchmark]: RCFGBuilder took 3881.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.3 MB). Free memory was 1.0 GB in the beginning and 976.3 MB in the end (delta: 67.9 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:26:41,853 INFO L168 Benchmark]: BuchiAutomizer took 2734.58 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 88.1 MB). Free memory was 976.3 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:26:41,854 INFO L168 Benchmark]: Witness Printer took 5.73 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:26:41,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1215.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 244.89 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 221.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3881.23 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 103.3 MB). Free memory was 1.0 GB in the beginning and 976.3 MB in the end (delta: 67.9 MB). Peak memory consumption was 249.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2734.58 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 88.1 MB). Free memory was 976.3 MB in the beginning and 1.2 GB in the end (delta: -229.9 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 5.73 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2257 SDtfs, 2257 SDslu, 4410 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 105ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...