./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/email_spec27_product28.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_product28.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 6dab8a34d6c7f8c35759c0e494b97c53a427db46 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:23:08,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:23:08,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:23:08,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:23:08,243 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:23:08,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:23:08,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:23:08,256 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:23:08,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:23:08,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:23:08,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:23:08,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:23:08,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:23:08,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:23:08,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:23:08,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:23:08,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:23:08,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:23:08,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:23:08,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:23:08,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:23:08,290 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:23:08,291 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:23:08,293 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:23:08,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:23:08,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:23:08,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:23:08,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:23:08,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:23:08,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:23:08,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:23:08,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:23:08,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:23:08,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:23:08,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:23:08,305 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:23:08,306 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:23:08,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:23:08,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:23:08,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:23:08,308 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:23:08,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:23:08,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:23:08,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:23:08,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:23:08,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:23:08,337 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:23:08,337 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:23:08,337 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:23:08,338 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:23:08,338 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:23:08,338 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:23:08,338 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:23:08,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:23:08,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:23:08,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:23:08,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:23:08,339 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:23:08,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:23:08,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:23:08,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:23:08,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:23:08,340 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:23:08,340 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:23:08,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:23:08,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:23:08,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:23:08,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:23:08,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:23:08,342 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:23:08,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:23:08,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:23:08,343 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:23:08,344 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:23:08,344 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 -> 6dab8a34d6c7f8c35759c0e494b97c53a427db46 [2019-11-28 03:23:08,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:23:08,691 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:23:08,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:23:08,696 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:23:08,697 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:23:08,697 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2019-11-28 03:23:08,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8a4952f/73e1bf88c2674d5aa44339b334795b83/FLAG2119f7901 [2019-11-28 03:23:09,357 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:23:09,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product28.cil.c [2019-11-28 03:23:09,389 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8a4952f/73e1bf88c2674d5aa44339b334795b83/FLAG2119f7901 [2019-11-28 03:23:09,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b8a4952f/73e1bf88c2674d5aa44339b334795b83 [2019-11-28 03:23:09,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:23:09,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:23:09,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:09,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:23:09,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:23:09,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:09" (1/1) ... [2019-11-28 03:23:09,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29271dbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:09, skipping insertion in model container [2019-11-28 03:23:09,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:23:09" (1/1) ... [2019-11-28 03:23:09,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:23:09,724 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:23:10,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:10,480 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:23:10,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:23:10,681 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:23:10,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10 WrapperNode [2019-11-28 03:23:10,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:23:10,683 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:10,683 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:23:10,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:23:10,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:23:10,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:23:10,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:23:10,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:23:10,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,969 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:10,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (1/1) ... [2019-11-28 03:23:11,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:23:11,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:23:11,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:23:11,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:23:11,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (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 03:23:11,068 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-28 03:23:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:23:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:23:11,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:23:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:23:12,981 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:23:12,982 INFO L297 CfgBuilder]: Removed 295 assume(true) statements. [2019-11-28 03:23:12,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:12 BoogieIcfgContainer [2019-11-28 03:23:12,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:23:12,987 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:23:12,987 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:23:12,991 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:23:12,992 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:12,992 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:23:09" (1/3) ... [2019-11-28 03:23:12,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfeb057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:12, skipping insertion in model container [2019-11-28 03:23:12,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:12,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:23:10" (2/3) ... [2019-11-28 03:23:12,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2bfeb057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:23:12, skipping insertion in model container [2019-11-28 03:23:12,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:23:12,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:12" (3/3) ... [2019-11-28 03:23:12,997 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec27_product28.cil.c [2019-11-28 03:23:13,059 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:23:13,060 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:23:13,060 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:23:13,060 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:23:13,060 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:23:13,061 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:23:13,061 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:23:13,061 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:23:13,097 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 493 states. [2019-11-28 03:23:13,155 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:13,155 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:13,155 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:13,165 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 03:23:13,165 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:13,166 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:23:13,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 493 states. [2019-11-28 03:23:13,183 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:13,183 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:13,184 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:13,186 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 03:23:13,186 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:23:13,193 INFO L794 eck$LassoCheckResult]: Stem: 336#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(16);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(9);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(11);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(19);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(12);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(18);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(16);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(16);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(20);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string121.base, #t~string121.offset, 1);call write~init~int(115, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(10, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 3 + #t~string121.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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;~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; 248#L-1true havoc main_#res;havoc main_#t~nondet18, main_#t~ret19, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~tmp~2; 292#L1661true havoc valid_product_#res;havoc valid_product_~retValue_acc~26;havoc valid_product_~retValue_acc~26;valid_product_~retValue_acc~26 := 1;valid_product_#res := valid_product_~retValue_acc~26; 432#L1669true main_#t~ret19 := valid_product_#res;main_~tmp~2 := main_#t~ret19;havoc main_#t~ret19; 333#L253true assume 0 != main_~tmp~2;havoc setup_#t~nondet13, setup_#t~nondet15, setup_#t~nondet17, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 431#L2726true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 139#L2732-2true 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; 157#L2291true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 397#L2297-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string12.base, #t~string12.offset;havoc setup_#t~nondet13;~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; 417#L2726-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 123#L2732-5true 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; 163#L2291-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 383#L2297-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 419#L2726-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 95#L2732-8true 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; 165#L2291-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 387#L2297-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17; 312#L240true havoc test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, 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~22, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~22;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 378#L2925-1true [2019-11-28 03:23:13,194 INFO L796 eck$LassoCheckResult]: Loop: 378#L2925-1true assume !false; 481#L2783true assume test_~splverifierCounter~0 < 4; 305#L2784true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 8#L2790true assume !(0 == test_~op1~0); 428#L2803true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet127;havoc test_#t~nondet127; 326#L2808true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 378#L2925-1true [2019-11-28 03:23:13,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-28 03:23:13,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:13,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921237801] [2019-11-28 03:23:13,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:13,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:23:13,573 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921237801] [2019-11-28 03:23:13,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:13,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:23:13,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14096075] [2019-11-28 03:23:13,580 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:13,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:13,581 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-28 03:23:13,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:13,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229527687] [2019-11-28 03:23:13,582 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:13,700 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:13,754 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:13,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:13,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:13,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:13,756 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:13,756 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:13,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:13,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:13,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product28.cil.c_Iteration1_Loop [2019-11-28 03:23:13,757 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:13,757 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:13,780 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 03:23:13,794 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 03:23:13,801 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 03:23:13,808 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 03:23:13,897 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:13,898 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 03:23:13,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:13,914 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 03:23:13,935 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:13,935 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 03:23:13,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:13,959 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:13,959 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:13,959 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:13,959 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:13,960 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:13,960 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:13,960 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:13,960 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:13,960 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product28.cil.c_Iteration1_Loop [2019-11-28 03:23:13,960 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:13,961 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:13,962 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 03:23:13,968 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 03:23:13,988 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 03:23:13,992 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 03:23:14,082 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:14,088 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:14,095 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 03:23:14,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:14,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:14,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:14,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:14,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:14,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:14,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:23:14,106 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:14,134 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:14,134 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:14,168 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:14,168 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:14,169 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:14,170 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:14,178 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:23:14,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:14,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:14,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:14,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:14,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:14,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:14,493 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 03:23:14,511 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 03:23:14,512 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 493 states. Second operand 4 states. [2019-11-28 03:23:14,786 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 493 states.. Second operand 4 states. Result 2142 states and 3764 transitions. Complement of second has 7 states. [2019-11-28 03:23:14,787 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 03:23:14,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:14,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2128 transitions. [2019-11-28 03:23:14,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2128 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-28 03:23:14,805 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:14,805 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2128 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-28 03:23:14,807 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:14,807 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2128 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-28 03:23:14,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:14,810 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2142 states and 3764 transitions. [2019-11-28 03:23:14,844 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2019-11-28 03:23:14,864 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2142 states to 863 states and 1568 transitions. [2019-11-28 03:23:14,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2019-11-28 03:23:14,868 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2019-11-28 03:23:14,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2019-11-28 03:23:14,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:14,869 INFO L688 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2019-11-28 03:23:14,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2019-11-28 03:23:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2019-11-28 03:23:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-28 03:23:14,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2019-11-28 03:23:14,963 INFO L711 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2019-11-28 03:23:14,963 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:14,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:23:14,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:23:14,968 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2019-11-28 03:23:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:15,019 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2019-11-28 03:23:15,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:23:15,020 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2019-11-28 03:23:15,027 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2019-11-28 03:23:15,035 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2019-11-28 03:23:15,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2019-11-28 03:23:15,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2019-11-28 03:23:15,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2019-11-28 03:23:15,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-28 03:23:15,036 INFO L688 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2019-11-28 03:23:15,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2019-11-28 03:23:15,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2019-11-28 03:23:15,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2019-11-28 03:23:15,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2019-11-28 03:23:15,047 INFO L711 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-28 03:23:15,047 INFO L591 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2019-11-28 03:23:15,047 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:23:15,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2019-11-28 03:23:15,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2019-11-28 03:23:15,050 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:23:15,050 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:23:15,051 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 03:23:15,051 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:23:15,052 INFO L794 eck$LassoCheckResult]: Stem: 4361#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(16);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(44);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(9);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(11);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(19);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string24.base, #t~string24.offset, 1);call write~init~int(100, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(10, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(10);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(12);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(10);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(18);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(16);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(16);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(30);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(9);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(30);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(21);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(30);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(25);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(30);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(25);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(10);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(20);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string121.base, #t~string121.offset, 1);call write~init~int(115, #t~string121.base, 1 + #t~string121.offset, 1);call write~init~int(10, #t~string121.base, 2 + #t~string121.offset, 1);call write~init~int(0, #t~string121.base, 3 + #t~string121.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 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;~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; 4076#L-1 havoc main_#res;havoc main_#t~nondet18, main_#t~ret19, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet18;havoc main_#t~nondet18;havoc main_~tmp~2; 4077#L1661 havoc valid_product_#res;havoc valid_product_~retValue_acc~26;havoc valid_product_~retValue_acc~26;valid_product_~retValue_acc~26 := 1;valid_product_#res := valid_product_~retValue_acc~26; 4216#L1669 main_#t~ret19 := valid_product_#res;main_~tmp~2 := main_#t~ret19;havoc main_#t~ret19; 4355#L253 assume 0 != main_~tmp~2;havoc setup_#t~nondet13, setup_#t~nondet15, setup_#t~nondet17, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 4356#L2726 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4209#L2732-2 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; 4458#L2291 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4270#L2297-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string12.base, #t~string12.offset;havoc setup_#t~nondet13;~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; 4457#L2726-2 assume !(1 == setClientId_~handle); 4217#L2729-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4218#L2732-5 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; 4456#L2291-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4212#L2297-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 4455#L2726-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4244#L2732-8 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; 4390#L2291-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4220#L2297-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17; 4292#L240 havoc test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, test_#t~nondet133, test_#t~nondet134, test_#t~nondet135, test_#t~nondet136, 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~22, test_~tmp___0~9, test_~tmp___1~5, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~22;havoc test_~tmp___0~9;havoc test_~tmp___1~5;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4293#L2925-1 assume !false; 4431#L2783 [2019-11-28 03:23:15,052 INFO L796 eck$LassoCheckResult]: Loop: 4431#L2783 assume test_~splverifierCounter~0 < 4; 4284#L2784 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4112#L2790 assume !(0 == test_~op1~0); 4114#L2803 assume !(0 == test_~op2~0); 4317#L2814 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet128;havoc test_#t~nondet128; 4306#L2819 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; 4307#L2291-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4246#L2297-11 test_~op3~0 := 1; 4265#L2925-1 assume !false; 4431#L2783 [2019-11-28 03:23:15,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:15,053 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-28 03:23:15,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:15,053 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652532732] [2019-11-28 03:23:15,053 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:15,170 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 03:23:15,170 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652532732] [2019-11-28 03:23:15,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:23:15,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:23:15,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103378019] [2019-11-28 03:23:15,171 INFO L799 eck$LassoCheckResult]: stem already infeasible [2019-11-28 03:23:15,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:15,172 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-28 03:23:15,172 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:23:15,172 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402064210] [2019-11-28 03:23:15,172 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:23:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:23:15,193 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:23:15,260 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:15,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:15,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:15,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:15,261 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:23:15,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:15,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:15,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:15,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product28.cil.c_Iteration2_Loop [2019-11-28 03:23:15,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:15,262 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:15,264 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 03:23:15,271 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 03:23:15,274 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 03:23:15,281 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 03:23:15,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:23:15,289 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 03:23:15,295 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 03:23:15,424 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:15,424 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 03:23:15,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:23:15,429 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:15,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:23:15,444 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:15,452 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:23:15,455 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:23:15,455 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:23:15,455 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:23:15,455 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:23:15,455 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:23:15,455 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:15,456 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:23:15,456 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:23:15,456 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product28.cil.c_Iteration2_Loop [2019-11-28 03:23:15,456 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:23:15,456 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:23:15,458 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 03:23:15,467 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 03:23:15,473 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 03:23:15,476 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 03:23:15,479 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 03:23:15,487 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 03:23:15,495 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 03:23:15,633 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:23:15,637 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:15,644 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 03:23:15,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:23:15,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:23:15,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:23:15,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:23:15,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:23:15,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:23:15,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:15,653 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:23:15,657 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:23:15,658 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:23:15,664 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:23:15,664 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:23:15,664 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:23:15,665 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-28 03:23:15,670 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:23:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:23:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:15,834 INFO L255 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:23:15,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:23:15,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-28 03:23:15,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:23:15,904 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 03:23:15,904 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 03:23:15,904 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2019-11-28 03:23:15,955 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 03:23:15,956 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 03:23:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-28 03:23:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2019-11-28 03:23:15,957 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-28 03:23:15,960 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:15,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-28 03:23:15,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:15,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-28 03:23:15,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:23:15,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2019-11-28 03:23:15,976 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:15,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2019-11-28 03:23:15,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:15,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:15,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:15,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:15,978 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:15,978 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:15,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:23:15,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:23:15,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:23:15,979 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-28 03:23:15,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:23:15,980 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-28 03:23:15,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-28 03:23:15,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-28 03:23:15,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:15,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-28 03:23:15,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:23:15,982 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:23:15,982 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:23:15,982 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:23:15,982 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:15,982 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:15,983 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:23:15,983 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:23:15,983 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:23:15,983 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:23:15,983 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:23:15,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:23:15 BoogieIcfgContainer [2019-11-28 03:23:15,992 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:23:15,993 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:23:15,993 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:23:15,994 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:23:15,994 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:23:12" (3/4) ... [2019-11-28 03:23:15,998 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:23:15,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:23:16,003 INFO L168 Benchmark]: Toolchain (without parser) took 6377.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 250.6 MB). Free memory was 952.3 MB in the beginning and 888.1 MB in the end (delta: 64.2 MB). Peak memory consumption was 314.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,004 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:16,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1058.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,009 INFO L168 Benchmark]: Boogie Preprocessor took 152.90 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,014 INFO L168 Benchmark]: RCFGBuilder took 1980.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.0 MB in the end (delta: 217.8 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,015 INFO L168 Benchmark]: BuchiAutomizer took 3005.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 852.0 MB in the beginning and 888.1 MB in the end (delta: -36.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:23:16,016 INFO L168 Benchmark]: Witness Printer took 5.68 ms. Allocated memory is still 1.3 GB. Free memory is still 888.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:23:16,029 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 1058.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -137.3 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 167.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 152.90 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1980.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 852.0 MB in the end (delta: 217.8 MB). Peak memory consumption was 217.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3005.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 102.2 MB). Free memory was 852.0 MB in the beginning and 888.1 MB in the end (delta: -36.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.68 ms. Allocated memory is still 1.3 GB. Free memory is still 888.1 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 2.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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 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: 2920 SDtfs, 2508 SDslu, 3593 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 80ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...