./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec4_product25.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/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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 01e80b56ebe31fb7df2f5b1d8745c5f55606f222 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:04:16,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:04:16,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:04:16,227 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:04:16,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:04:16,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:04:16,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:04:16,232 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:04:16,234 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:04:16,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:04:16,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:04:16,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:04:16,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:04:16,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:04:16,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:04:16,241 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:04:16,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:04:16,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:04:16,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:04:16,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:04:16,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:04:16,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:04:16,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:04:16,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:04:16,256 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:04:16,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:04:16,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:04:16,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:04:16,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:04:16,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:04:16,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:04:16,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:04:16,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:04:16,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:04:16,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:04:16,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:04:16,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:04:16,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:04:16,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:04:16,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:04:16,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:04:16,267 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 21:04:16,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:04:16,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:04:16,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:04:16,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:04:16,289 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:04:16,289 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 21:04:16,289 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 21:04:16,290 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 21:04:16,290 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 21:04:16,290 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 21:04:16,290 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 21:04:16,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:04:16,291 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 21:04:16,291 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:04:16,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:04:16,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 21:04:16,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:04:16,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 21:04:16,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 21:04:16,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 21:04:16,293 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 21:04:16,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:04:16,294 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 21:04:16,294 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:04:16,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 21:04:16,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:04:16,295 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:04:16,295 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 21:04:16,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:04:16,296 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:04:16,296 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 21:04:16,297 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 21:04:16,298 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/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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 -> 01e80b56ebe31fb7df2f5b1d8745c5f55606f222 [2019-11-15 21:04:16,328 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:04:16,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:04:16,344 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:04:16,346 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:04:16,347 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:04:16,347 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/../../sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2019-11-15 21:04:16,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/data/64b3bc8c1/7bc7e8a25eb241b28104ebcb852820ed/FLAGae712c738 [2019-11-15 21:04:17,003 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:04:17,006 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/sv-benchmarks/c/product-lines/email_spec4_product25.cil.c [2019-11-15 21:04:17,038 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/data/64b3bc8c1/7bc7e8a25eb241b28104ebcb852820ed/FLAGae712c738 [2019-11-15 21:04:17,167 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/bin/uautomizer/data/64b3bc8c1/7bc7e8a25eb241b28104ebcb852820ed [2019-11-15 21:04:17,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:04:17,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:04:17,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:04:17,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:04:17,183 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:04:17,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:04:17" (1/1) ... [2019-11-15 21:04:17,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a55f9ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:17, skipping insertion in model container [2019-11-15 21:04:17,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:04:17" (1/1) ... [2019-11-15 21:04:17,193 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:04:17,267 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:04:18,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:04:18,046 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:04:18,220 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:04:18,326 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:04:18,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18 WrapperNode [2019-11-15 21:04:18,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:04:18,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:04:18,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:04:18,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:04:18,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:04:18,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:04:18,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:04:18,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:04:18,580 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... [2019-11-15 21:04:18,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:04:18,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:04:18,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:04:18,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:04:18,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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 [2019-11-15 21:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-15 21:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 21:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 21:04:18,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:04:18,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:04:22,825 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:04:22,825 INFO L284 CfgBuilder]: Removed 621 assume(true) statements. [2019-11-15 21:04:22,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:04:22 BoogieIcfgContainer [2019-11-15 21:04:22,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:04:22,827 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 21:04:22,827 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 21:04:22,830 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 21:04:22,831 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:04:22,831 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 09:04:17" (1/3) ... [2019-11-15 21:04:22,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4e2717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:04:22, skipping insertion in model container [2019-11-15 21:04:22,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:04:22,832 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:04:18" (2/3) ... [2019-11-15 21:04:22,832 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b4e2717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:04:22, skipping insertion in model container [2019-11-15 21:04:22,832 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:04:22,833 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:04:22" (3/3) ... [2019-11-15 21:04:22,834 INFO L371 chiAutomizerObserver]: Analyzing ICFG email_spec4_product25.cil.c [2019-11-15 21:04:22,876 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 21:04:22,877 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 21:04:22,877 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 21:04:22,877 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:04:22,877 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:04:22,877 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 21:04:22,877 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:04:22,878 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 21:04:22,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 906 states. [2019-11-15 21:04:22,996 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-15 21:04:22,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 21:04:22,997 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 21:04:23,008 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:04:23,009 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 21:04:23,009 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 21:04:23,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 906 states. [2019-11-15 21:04:23,029 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-15 21:04:23,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 21:04:23,030 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 21:04:23,032 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:04:23,032 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-15 21:04:23,039 INFO L791 eck$LassoCheckResult]: Stem: 283#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(34);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(11);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(19);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string104.base, #t~string104.offset, 1);call write~init~int(100, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(10, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(100, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(13);~__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; 221#L-1true havoc main_#res;havoc main_#t~ret99, main_~retValue_acc~23, main_~tmp~15;havoc main_~retValue_acc~23;havoc main_~tmp~15; 151#L1873true havoc valid_product_#res;havoc valid_product_~retValue_acc~25;havoc valid_product_~retValue_acc~25;valid_product_~retValue_acc~25 := 1;valid_product_#res := valid_product_~retValue_acc~25; 690#L1881true main_#t~ret99 := valid_product_#res;main_~tmp~15 := main_#t~ret99;havoc main_#t~ret99; 30#L1457true assume 0 != main_~tmp~15;havoc setup_#t~nondet94, setup_#t~nondet96, setup_#t~nondet98, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 197#L2931true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 887#L2937-2true 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; 907#L2496true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 589#L2502-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 202#L2931-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 875#L2937-5true 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; 902#L2496-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 594#L2502-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96;~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; 204#L2931-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 878#L2937-8true 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; 903#L2496-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 574#L2502-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string97.base, #t~string97.offset;havoc setup_#t~nondet98; 520#L1444true havoc test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 456#L1820-1true [2019-11-15 21:04:23,040 INFO L793 eck$LassoCheckResult]: Loop: 456#L1820-1true assume !false; 234#L1672true assume test_~splverifierCounter~0 < 4; 290#L1673true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 103#L1679true assume !(0 == test_~op1~0); 418#L1692true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet119;havoc test_#t~nondet119; 137#L1697true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 456#L1820-1true [2019-11-15 21:04:23,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:23,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2019-11-15 21:04:23,055 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:04:23,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344864377] [2019-11-15 21:04:23,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:23,056 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:23,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:04:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:04:23,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344864377] [2019-11-15 21:04:23,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:04:23,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 21:04:23,389 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212049305] [2019-11-15 21:04:23,394 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 21:04:23,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:23,394 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2019-11-15 21:04:23,394 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:04:23,395 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613425862] [2019-11-15 21:04:23,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:23,395 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:23,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:04:23,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:04:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:04:23,449 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:04:23,508 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:04:23,508 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:04:23,509 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:04:23,509 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:04:23,509 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 21:04:23,509 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:04:23,510 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:04:23,510 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:04:23,510 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product25.cil.c_Iteration1_Loop [2019-11-15 21:04:23,510 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:04:23,511 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:04:23,535 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,710 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:04:23,711 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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) [2019-11-15 21:04:23,725 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:04:23,725 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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 [2019-11-15 21:04:23,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 21:04:23,747 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 21:04:23,755 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 21:04:23,763 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:04:23,764 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:04:23,764 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:04:23,764 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:04:23,764 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 21:04:23,765 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:04:23,765 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:04:23,765 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:04:23,765 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product25.cil.c_Iteration1_Loop [2019-11-15 21:04:23,766 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:04:23,766 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:04:23,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,800 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:23,914 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:04:23,919 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 21:04:23,922 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:04:23,924 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:04:23,924 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 21:04:23,926 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:04:23,926 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 21:04:23,926 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:04:23,929 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 21:04:23,930 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 21:04:23,948 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 21:04:23,957 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 21:04:23,968 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 21:04:23,970 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 21:04:23,971 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 21:04:23,972 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 21:04:23,973 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2019-11-15 21:04:23,976 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 21:04:24,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:24,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:04:24,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:04:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:24,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 21:04:24,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:04:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:04:24,398 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-15 21:04:24,400 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 906 states. Second operand 4 states. [2019-11-15 21:04:24,811 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 906 states.. Second operand 4 states. Result 4160 states and 7132 transitions. Complement of second has 7 states. [2019-11-15 21:04:24,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 21:04:24,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 21:04:24,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4118 transitions. [2019-11-15 21:04:24,832 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4118 transitions. Stem has 18 letters. Loop has 6 letters. [2019-11-15 21:04:24,834 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:24,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4118 transitions. Stem has 24 letters. Loop has 6 letters. [2019-11-15 21:04:24,835 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:24,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4118 transitions. Stem has 18 letters. Loop has 12 letters. [2019-11-15 21:04:24,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:24,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4160 states and 7132 transitions. [2019-11-15 21:04:24,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 509 [2019-11-15 21:04:24,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4160 states to 1051 states and 1924 transitions. [2019-11-15 21:04:24,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 540 [2019-11-15 21:04:24,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 541 [2019-11-15 21:04:24,928 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1051 states and 1924 transitions. [2019-11-15 21:04:24,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 21:04:24,931 INFO L688 BuchiCegarLoop]: Abstraction has 1051 states and 1924 transitions. [2019-11-15 21:04:24,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states and 1924 transitions. [2019-11-15 21:04:24,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 542. [2019-11-15 21:04:24,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-11-15 21:04:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 989 transitions. [2019-11-15 21:04:25,003 INFO L711 BuchiCegarLoop]: Abstraction has 542 states and 989 transitions. [2019-11-15 21:04:25,003 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:04:25,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 21:04:25,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 21:04:25,008 INFO L87 Difference]: Start difference. First operand 542 states and 989 transitions. Second operand 3 states. [2019-11-15 21:04:25,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:04:25,066 INFO L93 Difference]: Finished difference Result 1064 states and 1943 transitions. [2019-11-15 21:04:25,066 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 21:04:25,067 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1943 transitions. [2019-11-15 21:04:25,078 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 510 [2019-11-15 21:04:25,091 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1943 transitions. [2019-11-15 21:04:25,092 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2019-11-15 21:04:25,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2019-11-15 21:04:25,093 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1943 transitions. [2019-11-15 21:04:25,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 21:04:25,097 INFO L688 BuchiCegarLoop]: Abstraction has 1064 states and 1943 transitions. [2019-11-15 21:04:25,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1943 transitions. [2019-11-15 21:04:25,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 541. [2019-11-15 21:04:25,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2019-11-15 21:04:25,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 985 transitions. [2019-11-15 21:04:25,116 INFO L711 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-15 21:04:25,116 INFO L591 BuchiCegarLoop]: Abstraction has 541 states and 985 transitions. [2019-11-15 21:04:25,117 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 21:04:25,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 541 states and 985 transitions. [2019-11-15 21:04:25,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 255 [2019-11-15 21:04:25,121 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 21:04:25,121 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 21:04:25,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:04:25,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 21:04:25,124 INFO L791 eck$LassoCheckResult]: Stem: 7122#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string0.base, #t~string0.offset, 1);call write~init~int(115, #t~string0.base, 1 + #t~string0.offset, 1);call write~init~int(10, #t~string0.base, 2 + #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 3 + #t~string0.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(10);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(12);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(10);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(18);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(16);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(10);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(34);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(21);~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(9);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(11);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(19);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string104.base, #t~string104.offset, 1);call write~init~int(100, #t~string104.base, 1 + #t~string104.offset, 1);call write~init~int(10, #t~string104.base, 2 + #t~string104.offset, 1);call write~init~int(0, #t~string104.base, 3 + #t~string104.offset, 1);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string107.base, #t~string107.offset, 1);call write~init~int(100, #t~string107.base, 1 + #t~string107.offset, 1);call write~init~int(10, #t~string107.base, 2 + #t~string107.offset, 1);call write~init~int(0, #t~string107.base, 3 + #t~string107.offset, 1);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(13);~__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; 6825#L-1 havoc main_#res;havoc main_#t~ret99, main_~retValue_acc~23, main_~tmp~15;havoc main_~retValue_acc~23;havoc main_~tmp~15; 6826#L1873 havoc valid_product_#res;havoc valid_product_~retValue_acc~25;havoc valid_product_~retValue_acc~25;valid_product_~retValue_acc~25 := 1;valid_product_#res := valid_product_~retValue_acc~25; 6981#L1881 main_#t~ret99 := valid_product_#res;main_~tmp~15 := main_#t~ret99;havoc main_#t~ret99; 6982#L1457 assume 0 != main_~tmp~15;havoc setup_#t~nondet94, setup_#t~nondet96, setup_#t~nondet98, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 6999#L2931 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7190#L2937-2 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; 7304#L2496 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7175#L2502-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 7303#L2931-2 assume !(1 == setClientId_~handle); 7123#L2934-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7124#L2937-5 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; 7289#L2496-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7195#L2502-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96;~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; 7305#L2931-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7135#L2937-8 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; 7296#L2496-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7198#L2502-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string97.base, #t~string97.offset;havoc setup_#t~nondet98; 7226#L1444 havoc test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~18, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~3, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~3;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 7227#L1820-1 assume !false; 6945#L1672 [2019-11-15 21:04:25,124 INFO L793 eck$LassoCheckResult]: Loop: 6945#L1672 assume test_~splverifierCounter~0 < 4; 6946#L1673 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7172#L1679 assume !(0 == test_~op1~0); 6935#L1692 assume !(0 == test_~op2~0); 7237#L1703 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet120;havoc test_#t~nondet120; 7241#L1708 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; 7242#L2496-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7137#L2502-11 test_~op3~0 := 1; 6793#L1820-1 assume !false; 6945#L1672 [2019-11-15 21:04:25,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:25,125 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2019-11-15 21:04:25,125 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:04:25,125 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111406618] [2019-11-15 21:04:25,125 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:25,126 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:25,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:04:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:25,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:04:25,297 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111406618] [2019-11-15 21:04:25,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 21:04:25,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 21:04:25,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008260665] [2019-11-15 21:04:25,298 INFO L796 eck$LassoCheckResult]: stem already infeasible [2019-11-15 21:04:25,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:25,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2019-11-15 21:04:25,298 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:04:25,299 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765237902] [2019-11-15 21:04:25,299 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:25,299 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:04:25,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:04:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:04:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:04:25,336 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:04:25,464 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:04:25,464 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:04:25,464 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:04:25,464 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:04:25,464 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 21:04:25,465 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:04:25,465 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:04:25,465 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:04:25,465 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product25.cil.c_Iteration2_Loop [2019-11-15 21:04:25,465 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:04:25,465 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:04:25,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,724 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:04:25,724 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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) [2019-11-15 21:04:25,736 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:04:25,736 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 [2019-11-15 21:04:25,758 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 21:04:25,758 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/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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) [2019-11-15 21:04:25,844 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:04:25,845 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59fed15c-01a4-4c1d-a957-9d28d2a32f06/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 [2019-11-15 21:04:25,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 21:04:25,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 21:04:25,916 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 21:04:25,919 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:04:25,919 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:04:25,919 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:04:25,919 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:04:25,919 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 21:04:25,919 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:04:25,919 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:04:25,919 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:04:25,920 INFO L131 ssoRankerPreferences]: Filename of dumped script: email_spec4_product25.cil.c_Iteration2_Loop [2019-11-15 21:04:25,920 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:04:25,920 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:04:25,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:25,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:04:26,192 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:04:26,192 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 21:04:26,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:04:26,193 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:04:26,194 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 21:04:26,194 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:04:26,194 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 21:04:26,194 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:04:26,195 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 21:04:26,195 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 21:04:26,198 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 21:04:26,210 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 21:04:26,212 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 21:04:26,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 21:04:26,212 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 21:04:26,213 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 21:04:26,213 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2019-11-15 21:04:26,213 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 21:04:26,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:04:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:26,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:04:26,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:04:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:04:26,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 21:04:26,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:04:26,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:04:26,517 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-15 21:04:26,518 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 541 states and 985 transitions. cyclomatic complexity: 446 Second operand 4 states. [2019-11-15 21:04:26,569 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. [2019-11-15 21:04:26,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 21:04:26,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 21:04:26,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 515 transitions. [2019-11-15 21:04:26,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 9 letters. [2019-11-15 21:04:26,572 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:26,572 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 29 letters. Loop has 9 letters. [2019-11-15 21:04:26,573 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:26,573 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 515 transitions. Stem has 20 letters. Loop has 18 letters. [2019-11-15 21:04:26,574 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:04:26,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1055 states and 1929 transitions. [2019-11-15 21:04:26,586 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:04:26,586 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1055 states to 0 states and 0 transitions. [2019-11-15 21:04:26,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 21:04:26,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 21:04:26,587 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 21:04:26,587 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 21:04:26,587 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:04:26,587 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:04:26,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 21:04:26,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 21:04:26,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 21:04:26,588 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-15 21:04:26,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 21:04:26,589 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 21:04:26,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 21:04:26,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 21:04:26,589 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:04:26,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 21:04:26,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 21:04:26,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 21:04:26,590 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 21:04:26,590 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 21:04:26,591 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:04:26,591 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:04:26,591 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:04:26,591 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 21:04:26,591 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:04:26,592 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:04:26,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 21:04:26,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 09:04:26 BoogieIcfgContainer [2019-11-15 21:04:26,600 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 21:04:26,600 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:04:26,600 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:04:26,601 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:04:26,601 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:04:22" (3/4) ... [2019-11-15 21:04:26,605 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:04:26,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:04:26,608 INFO L168 Benchmark]: Toolchain (without parser) took 9434.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 937.1 MB in the beginning and 881.5 MB in the end (delta: 55.6 MB). Peak memory consumption was 261.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,612 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:04:26,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,615 INFO L168 Benchmark]: Boogie Procedure Inliner took 240.44 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,616 INFO L168 Benchmark]: Boogie Preprocessor took 205.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,617 INFO L168 Benchmark]: RCFGBuilder took 4052.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,623 INFO L168 Benchmark]: BuchiAutomizer took 3772.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 951.7 MB in the beginning and 881.5 MB in the end (delta: 70.2 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:04:26,624 INFO L168 Benchmark]: Witness Printer took 5.37 ms. Allocated memory is still 1.2 GB. Free memory is still 881.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:04:26,630 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1148.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -151.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 240.44 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 205.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4052.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 110.4 MB). Peak memory consumption was 201.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3772.66 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 951.7 MB in the beginning and 881.5 MB in the end (delta: 70.2 MB). Peak memory consumption was 131.0 MB. Max. memory is 11.5 GB. * Witness Printer took 5.37 ms. Allocated memory is still 1.2 GB. Free memory is still 881.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. 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 0.1s 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: 4565 SDtfs, 4064 SDslu, 5927 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: 51ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...