./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer --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 5e5d152f72430c072b6ce444d74139e59e0002b0 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:57:12,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:57:12,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:57:12,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:57:12,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:57:12,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:57:12,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:57:12,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:57:12,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:57:12,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:57:12,259 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:57:12,260 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:57:12,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:57:12,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:57:12,262 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:57:12,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:57:12,273 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:57:12,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:57:12,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:57:12,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:57:12,277 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:57:12,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:57:12,283 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:57:12,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:57:12,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:57:12,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:57:12,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:57:12,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:57:12,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:57:12,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:57:12,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:57:12,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:57:12,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:57:12,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:57:12,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:57:12,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:57:12,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:57:12,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:57:12,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:57:12,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:57:12,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:57:12,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:57:12,322 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:57:12,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:57:12,329 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:57:12,329 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:57:12,329 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:57:12,329 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:57:12,329 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:57:12,330 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:57:12,330 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:57:12,330 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:57:12,330 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:57:12,331 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:57:12,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:57:12,331 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:57:12,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:57:12,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:57:12,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:57:12,333 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:57:12,333 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:57:12,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:57:12,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:57:12,333 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:57:12,334 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:57:12,334 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:57:12,334 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:57:12,335 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:57:12,336 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:57:12,336 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer 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 -> 5e5d152f72430c072b6ce444d74139e59e0002b0 [2019-10-22 08:57:12,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:57:12,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:57:12,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:57:12,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:57:12,395 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:57:12,396 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2019-10-22 08:57:12,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/data/e446019ee/79f52de74b9c48bba1a1c6e7f7e9bdf6/FLAGb2caf70bb [2019-10-22 08:57:12,925 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:57:12,926 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/sv-benchmarks/c/product-lines/email_spec9_product34.cil.c [2019-10-22 08:57:12,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/data/e446019ee/79f52de74b9c48bba1a1c6e7f7e9bdf6/FLAGb2caf70bb [2019-10-22 08:57:13,203 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/data/e446019ee/79f52de74b9c48bba1a1c6e7f7e9bdf6 [2019-10-22 08:57:13,205 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:57:13,206 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:57:13,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:13,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:57:13,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:57:13,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f310f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:13, skipping insertion in model container [2019-10-22 08:57:13,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:57:13" (1/1) ... [2019-10-22 08:57:13,221 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:57:13,285 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:57:13,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:14,007 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:57:14,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:57:14,259 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:57:14,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14 WrapperNode [2019-10-22 08:57:14,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:57:14,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:14,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:57:14,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:57:14,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,325 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:57:14,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:57:14,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:57:14,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:57:14,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... [2019-10-22 08:57:14,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:57:14,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:57:14,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:57:14,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:57:14,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/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 [2019-10-22 08:57:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-22 08:57:14,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:57:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 08:57:14,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:57:14,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:57:17,780 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:57:17,781 INFO L284 CfgBuilder]: Removed 861 assume(true) statements. [2019-10-22 08:57:17,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17 BoogieIcfgContainer [2019-10-22 08:57:17,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:57:17,783 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:57:17,784 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:57:17,787 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:57:17,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:17,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:57:13" (1/3) ... [2019-10-22 08:57:17,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26463c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:17,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:57:14" (2/3) ... [2019-10-22 08:57:17,789 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26463c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:57:17, skipping insertion in model container [2019-10-22 08:57:17,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:57:17,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/3) ... [2019-10-22 08:57:17,791 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec9_product34.cil.c [2019-10-22 08:57:17,833 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:57:17,833 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:57:17,833 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:57:17,833 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:57:17,833 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:57:17,834 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:57:17,834 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:57:17,834 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:57:17,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2019-10-22 08:57:17,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:57:17,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:17,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:17,961 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:17,961 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:17,962 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:57:17,962 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1260 states. [2019-10-22 08:57:17,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:57:17,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:17,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:17,985 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:17,986 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-10-22 08:57:17,992 INFO L791 eck$LassoCheckResult]: Stem: 493#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(17);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(17);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(12);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(18);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(16);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(115, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(21);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(34);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(20);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(44);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(44);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(11);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(19);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string142.base, #t~string142.offset, 1);call write~init~int(100, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(10, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.offset, 1);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string145.base, #t~string145.offset, 1);call write~init~int(100, #t~string145.base, 1 + #t~string145.offset, 1);call write~init~int(10, #t~string145.base, 2 + #t~string145.offset, 1);call write~init~int(0, #t~string145.base, 3 + #t~string145.offset, 1); 361#L-1true havoc main_#res;havoc main_#t~ret137, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23; 306#L2777true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 1107#L2785true main_#t~ret137 := valid_product_#res;main_~tmp~23 := main_#t~ret137;havoc main_#t~ret137; 325#L2931true assume 0 != main_~tmp~23;havoc setup_#t~nondet132, setup_#t~nondet134, setup_#t~nondet136, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 707#L2329true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 229#L2335-2true 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; 490#L1894true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1167#L1900-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string131.base, #t~string131.offset;havoc setup_#t~nondet132;~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; 710#L2329-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 233#L2335-5true 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; 485#L1894-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1152#L1900-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string133.base, #t~string133.offset;havoc setup_#t~nondet134;~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; 715#L2329-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 218#L2335-8true 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; 486#L1894-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 1133#L1900-8true setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136; 1036#L2918true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 719#L237-1true [2019-10-22 08:57:17,992 INFO L793 eck$LassoCheckResult]: Loop: 719#L237-1true assume !false; 234#L89true assume test_~splverifierCounter~0 < 4; 338#L90true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 1232#L96true assume !(0 == test_~op1~0); 372#L109true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet1;havoc test_#t~nondet1; 16#L114true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 719#L237-1true [2019-10-22 08:57:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:17,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-10-22 08:57:18,004 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:18,004 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487135526] [2019-10-22 08:57:18,004 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:18,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:18,005 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:18,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:18,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487135526] [2019-10-22 08:57:18,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:18,302 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:57:18,302 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703750097] [2019-10-22 08:57:18,306 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:57:18,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:18,307 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-10-22 08:57:18,307 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:18,307 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469860884] [2019-10-22 08:57:18,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:18,308 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:18,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:18,349 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:18,390 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:18,391 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:18,391 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:18,391 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:18,391 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:18,392 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:18,392 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:18,392 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:18,392 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product34.cil.c_Iteration1_Loop [2019-10-22 08:57:18,392 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:18,392 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:18,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,495 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:18,496 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:18,503 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:18,503 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:18,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:18,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:18,530 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:18,532 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:18,532 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:18,533 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:18,533 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:18,533 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:18,533 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:18,533 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:18,533 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:18,533 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product34.cil.c_Iteration1_Loop [2019-10-22 08:57:18,533 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:18,534 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:18,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:18,619 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:18,624 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:18,626 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 [2019-10-22 08:57:18,628 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:18,628 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:18,629 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:18,629 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:18,629 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:18,631 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:18,631 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:18,638 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:18,645 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:18,648 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:18,650 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:18,650 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:18,651 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:18,652 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-10-22 08:57:18,655 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:18,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:18,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:18,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:18,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:18,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:18,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:18,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:18,895 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 [2019-10-22 08:57:18,897 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1260 states. Second operand 4 states. [2019-10-22 08:57:19,234 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1260 states.. Second operand 4 states. Result 5930 states and 10132 transitions. Complement of second has 7 states. [2019-10-22 08:57:19,235 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 [2019-10-22 08:57:19,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:57:19,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5918 transitions. [2019-10-22 08:57:19,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 18 letters. Loop has 6 letters. [2019-10-22 08:57:19,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:19,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 24 letters. Loop has 6 letters. [2019-10-22 08:57:19,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:19,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5918 transitions. Stem has 18 letters. Loop has 12 letters. [2019-10-22 08:57:19,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:19,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5930 states and 10132 transitions. [2019-10-22 08:57:19,291 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-10-22 08:57:19,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5930 states to 1051 states and 1924 transitions. [2019-10-22 08:57:19,306 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-10-22 08:57:19,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-10-22 08:57:19,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-10-22 08:57:19,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:57:19,311 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-10-22 08:57:19,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-10-22 08:57:19,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-10-22 08:57:19,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-22 08:57:19,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-10-22 08:57:19,381 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-10-22 08:57:19,382 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:19,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:57:19,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:57:19,387 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-10-22 08:57:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:19,442 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-10-22 08:57:19,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:57:19,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-10-22 08:57:19,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-10-22 08:57:19,458 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-10-22 08:57:19,459 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-10-22 08:57:19,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-10-22 08:57:19,460 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-10-22 08:57:19,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-10-22 08:57:19,463 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-10-22 08:57:19,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-10-22 08:57:19,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-10-22 08:57:19,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-10-22 08:57:19,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-10-22 08:57:19,488 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:57:19,488 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-10-22 08:57:19,488 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:57:19,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-10-22 08:57:19,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-10-22 08:57:19,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:57:19,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:57:19,492 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] [2019-10-22 08:57:19,494 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:57:19,494 INFO L791 eck$LassoCheckResult]: Stem: 9217#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~in_encrypted~0 := 0;call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(17);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(17);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(17);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(12);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(10);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(18);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(16);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(16);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(115, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(21);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(30);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(9);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(25);~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(10);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(34);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(16);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(20);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(21);~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(44);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(44);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(9);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(11);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(19);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string142.base, #t~string142.offset, 1);call write~init~int(100, #t~string142.base, 1 + #t~string142.offset, 1);call write~init~int(10, #t~string142.base, 2 + #t~string142.offset, 1);call write~init~int(0, #t~string142.base, 3 + #t~string142.offset, 1);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string145.base, #t~string145.offset, 1);call write~init~int(100, #t~string145.base, 1 + #t~string145.offset, 1);call write~init~int(10, #t~string145.base, 2 + #t~string145.offset, 1);call write~init~int(0, #t~string145.base, 3 + #t~string145.offset, 1); 8919#L-1 havoc main_#res;havoc main_#t~ret137, main_~retValue_acc~43, main_~tmp~23;havoc main_~retValue_acc~43;havoc main_~tmp~23; 8920#L2777 havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 9278#L2785 main_#t~ret137 := valid_product_#res;main_~tmp~23 := main_#t~ret137;havoc main_#t~ret137; 9279#L2931 assume 0 != main_~tmp~23;havoc setup_#t~nondet132, setup_#t~nondet134, setup_#t~nondet136, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.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; 9178#L2329 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9154#L2335-2 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; 9192#L1894 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9136#L1900-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string131.base, #t~string131.offset;havoc setup_#t~nondet132;~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; 9180#L2329-2 assume !(1 == setClientId_~handle); 9160#L2332-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 9161#L2335-5 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; 9177#L1894-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9143#L1900-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string133.base, #t~string133.offset;havoc setup_#t~nondet134;~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; 9185#L2329-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 9090#L2335-8 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; 9179#L1894-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9173#L1900-8 setup_~__cil_tmp3~5.base, setup_~__cil_tmp3~5.offset := #t~string135.base, #t~string135.offset;havoc setup_#t~nondet136; 9193#L2918 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 9194#L237-1 assume !false; 9186#L89 [2019-10-22 08:57:19,494 INFO L793 eck$LassoCheckResult]: Loop: 9186#L89 assume test_~splverifierCounter~0 < 4; 9386#L90 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 9432#L96 assume !(0 == test_~op1~0); 8921#L109 assume !(0 == test_~op2~0); 8922#L120 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet2;havoc test_#t~nondet2; 8928#L125 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; 8948#L1894-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 9063#L1900-11 test_~op3~0 := 1; 9051#L237-1 assume !false; 9186#L89 [2019-10-22 08:57:19,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:19,495 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-10-22 08:57:19,495 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:19,495 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804784914] [2019-10-22 08:57:19,496 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:19,496 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:19,496 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:19,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:19,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804784914] [2019-10-22 08:57:19,605 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:57:19,605 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:57:19,605 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027421827] [2019-10-22 08:57:19,605 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-10-22 08:57:19,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:19,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-10-22 08:57:19,606 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:57:19,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746810582] [2019-10-22 08:57:19,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:19,607 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:57:19,607 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:57:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:57:19,643 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:57:19,794 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:19,794 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:19,795 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:19,795 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:19,795 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:57:19,795 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:19,795 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:19,795 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:19,795 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product34.cil.c_Iteration2_Loop [2019-10-22 08:57:19,795 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:19,796 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:19,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,819 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,822 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:19,937 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:19,938 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-10-22 08:57:19,942 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:19,943 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:19,952 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:19,952 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet2=-1, ULTIMATE.start_test_~tmp___7~0=-1} Honda state: {ULTIMATE.start_test_#t~nondet2=-1, ULTIMATE.start_test_~tmp___7~0=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:19,976 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:19,976 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:19,982 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-10-22 08:57:19,982 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:19,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:57:19,995 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_583bac96-0215-4bd1-a2ef-8068f420bde1/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:20,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:57:20,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:57:20,023 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:57:20,025 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:57:20,025 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:57:20,026 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:57:20,026 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:57:20,026 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:57:20,026 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:57:20,026 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:57:20,026 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:57:20,026 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec9_product34.cil.c_Iteration2_Loop [2019-10-22 08:57:20,026 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:57:20,026 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:57:20,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:57:20,269 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:57:20,269 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:57:20,269 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 [2019-10-22 08:57:20,270 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:57:20,270 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:57:20,270 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:57:20,270 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:57:20,271 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:57:20,271 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:57:20,271 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:57:20,274 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:57:20,277 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:57:20,277 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:57:20,278 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:57:20,278 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:57:20,278 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:57:20,278 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-10-22 08:57:20,279 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:57:20,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:57:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:20,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:57:20,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:57:20,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:57:20,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:57:20,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:57:20,478 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 [2019-10-22 08:57:20,478 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-10-22 08:57:20,515 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446. Second operand 4 states. Result 1055 states and 1929 transitions. Complement of second has 6 states. [2019-10-22 08:57:20,516 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 [2019-10-22 08:57:20,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 08:57:20,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-10-22 08:57:20,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-10-22 08:57:20,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:20,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-10-22 08:57:20,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:20,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-10-22 08:57:20,519 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:57:20,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-10-22 08:57:20,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:20,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-10-22 08:57:20,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:20,527 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:20,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:20,527 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:20,527 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:20,527 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:20,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:57:20,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:57:20,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:57:20,528 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-10-22 08:57:20,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:57:20,528 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-10-22 08:57:20,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 08:57:20,528 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-10-22 08:57:20,529 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:20,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:57:20,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:57:20,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:57:20,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:57:20,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:57:20,529 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:20,529 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:20,530 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:57:20,530 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-10-22 08:57:20,530 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:57:20,530 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:57:20,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:57:20,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:57:20 BoogieIcfgContainer [2019-10-22 08:57:20,537 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:57:20,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:57:20,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:57:20,538 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:57:20,539 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:57:17" (3/4) ... [2019-10-22 08:57:20,542 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:57:20,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:57:20,545 INFO L168 Benchmark]: Toolchain (without parser) took 7338.02 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -86.1 MB). Peak memory consumption was 125.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,546 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:20,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1053.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 237.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,548 INFO L168 Benchmark]: Boogie Preprocessor took 206.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,548 INFO L168 Benchmark]: RCFGBuilder took 3078.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 186.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,549 INFO L168 Benchmark]: BuchiAutomizer took 2753.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2019-10-22 08:57:20,549 INFO L168 Benchmark]: Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:57:20,553 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1053.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -135.5 MB). Peak memory consumption was 30.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 237.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 206.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3078.00 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -117.0 MB). Peak memory consumption was 186.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2753.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1032 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 541 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5765 SDtfs, 5264 SDslu, 7727 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: 25ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...