./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC --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 49c9e9f6c63ed964ac4329188a4b0a5c424e3ad8 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:34:05,220 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:34:05,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:34:05,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:34:05,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:34:05,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:34:05,274 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:34:05,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:34:05,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:34:05,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:34:05,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:34:05,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:34:05,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:34:05,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:34:05,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:34:05,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:34:05,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:34:05,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:34:05,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:34:05,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:34:05,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:34:05,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:34:05,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:34:05,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:34:05,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:34:05,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:34:05,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:34:05,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:34:05,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:34:05,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:34:05,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:34:05,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:34:05,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:34:05,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:34:05,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:34:05,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:34:05,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:34:05,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:34:05,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:34:05,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:34:05,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:34:05,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:34:05,368 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:34:05,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:34:05,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:34:05,370 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:34:05,370 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:34:05,370 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:34:05,370 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:34:05,370 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:34:05,371 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:34:05,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:34:05,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:34:05,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:34:05,371 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:34:05,371 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:34:05,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:34:05,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:34:05,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:34:05,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:34:05,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:34:05,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:34:05,374 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:34:05,374 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:34:05,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:34:05,374 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:34:05,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:34:05,375 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:34:05,376 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49c9e9f6c63ed964ac4329188a4b0a5c424e3ad8 [2021-10-11 00:34:05,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:34:05,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:34:05,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:34:05,697 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:34:05,698 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:34:05,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2021-10-11 00:34:05,767 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/data/34b4d6bde/4081751a6fc141cdb1dee757eaf19d16/FLAG1aae682aa [2021-10-11 00:34:06,381 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:34:06,382 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c [2021-10-11 00:34:06,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/data/34b4d6bde/4081751a6fc141cdb1dee757eaf19d16/FLAG1aae682aa [2021-10-11 00:34:06,595 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/data/34b4d6bde/4081751a6fc141cdb1dee757eaf19d16 [2021-10-11 00:34:06,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:34:06,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:34:06,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:06,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:34:06,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:34:06,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:06" (1/1) ... [2021-10-11 00:34:06,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4737bf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:06, skipping insertion in model container [2021-10-11 00:34:06,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:34:06" (1/1) ... [2021-10-11 00:34:06,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:34:06,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:34:07,069 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c[18491,18504] [2021-10-11 00:34:07,351 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:07,365 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:34:07,431 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/sv-benchmarks/c/product-lines/email_spec27_product17.cil.c[18491,18504] [2021-10-11 00:34:07,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:34:07,650 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:34:07,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07 WrapperNode [2021-10-11 00:34:07,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:34:07,653 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:07,653 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:34:07,653 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:34:07,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,692 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,873 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:34:07,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:34:07,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:34:07,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:34:07,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:07,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:08,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:08,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... [2021-10-11 00:34:08,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:34:08,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:34:08,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:34:08,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:34:08,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/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 [2021-10-11 00:34:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-11 00:34:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:34:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:34:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:34:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:34:11,193 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:34:11,193 INFO L299 CfgBuilder]: Removed 449 assume(true) statements. [2021-10-11 00:34:11,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:11 BoogieIcfgContainer [2021-10-11 00:34:11,197 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:34:11,198 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:34:11,198 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:34:11,202 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:34:11,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:34:11,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:34:06" (1/3) ... [2021-10-11 00:34:11,204 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76847249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:34:11, skipping insertion in model container [2021-10-11 00:34:11,204 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:34:11,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:34:07" (2/3) ... [2021-10-11 00:34:11,205 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76847249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:34:11, skipping insertion in model container [2021-10-11 00:34:11,205 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:34:11,206 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:11" (3/3) ... [2021-10-11 00:34:11,208 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec27_product17.cil.c [2021-10-11 00:34:11,269 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:34:11,269 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:34:11,269 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:34:11,269 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:34:11,269 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:34:11,269 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:34:11,270 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:34:11,270 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:34:11,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 770 states. [2021-10-11 00:34:11,377 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-11 00:34:11,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:34:11,378 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:34:11,387 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:11,388 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:34:11,388 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:34:11,388 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 770 states. [2021-10-11 00:34:11,407 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-11 00:34:11,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:34:11,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:34:11,410 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:11,410 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:34:11,416 INFO L794 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(34);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(20);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(11);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(19);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(100, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string53.base, #t~string53.offset, 1);call write~init~int(100, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(10, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(115, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(21);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(30);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(25);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(12);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(18);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(13);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 220#L-1true havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~5, main_~tmp~8;havoc main_~retValue_acc~5;havoc main_~tmp~8; 77#L730true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 625#L738true main_#t~ret45 := valid_product_#res;main_~tmp~8 := main_#t~ret45;havoc main_#t~ret45; 588#L538true assume 0 != main_~tmp~8;havoc setup_#t~nondet40, setup_#t~nondet42, setup_#t~nondet44, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 272#L2398true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 56#L2404-2true 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; 178#L1963true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 603#L1969-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 277#L2398-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 66#L2404-5true 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; 75#L1963-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 596#L1969-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42;~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; 279#L2398-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 45#L2404-8true 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; 76#L1963-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 584#L1969-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44; 380#L525true havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~11, test_~tmp___0~5, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 181#L928-1true [2021-10-11 00:34:11,417 INFO L796 eck$LassoCheckResult]: Loop: 181#L928-1true assume !false; 500#L783true assume test_~splverifierCounter~0 < 4; 553#L784true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 369#L790true assume !(0 == test_~op1~0); 659#L803true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet67;havoc test_#t~nondet67; 390#L808true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 181#L928-1true [2021-10-11 00:34:11,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:11,423 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-11 00:34:11,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:11,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540628086] [2021-10-11 00:34:11,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:11,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540628086] [2021-10-11 00:34:11,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:11,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:34:11,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788690505] [2021-10-11 00:34:11,807 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:34:11,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:11,809 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-11 00:34:11,809 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:11,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33752262] [2021-10-11 00:34:11,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:34:11,838 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:34:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:34:11,855 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:34:11,896 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:34:11,961 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:34:11,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:34:11,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:34:11,962 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:34:11,962 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:34:11,962 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:11,962 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:34:11,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:34:11,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration1_Loop [2021-10-11 00:34:11,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:34:11,963 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:34:11,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:11,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:11,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,085 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:34:12,086 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:12,103 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:34:12,104 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_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:12,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:34:12,161 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:12,194 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:34:12,225 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:34:12,225 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:34:12,225 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:34:12,225 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:34:12,225 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:34:12,225 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:12,225 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:34:12,226 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:34:12,226 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration1_Loop [2021-10-11 00:34:12,226 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:34:12,226 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:34:12,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:12,335 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:34:12,340 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:12,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:12,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:34:12,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:34:12,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:34:12,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:34:12,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:34:12,366 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:34:12,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:34:12,377 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:34:12,395 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:34:12,395 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:12,422 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:34:12,422 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:34:12,423 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:34:12,423 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:12,458 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:34:12,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:12,658 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:34:12,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:12,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:34:12,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:12,856 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 [2021-10-11 00:34:12,857 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 770 states. Second operand 4 states. [2021-10-11 00:34:13,189 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 770 states.. Second operand 4 states. Result 3484 states and 6144 transitions. Complement of second has 7 states. [2021-10-11 00:34:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:34:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:34:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 3528 transitions. [2021-10-11 00:34:13,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-11 00:34:13,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:13,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-11 00:34:13,202 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:13,202 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 3528 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-11 00:34:13,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:13,204 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3484 states and 6144 transitions. [2021-10-11 00:34:13,247 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-10-11 00:34:13,265 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3484 states to 1035 states and 1896 transitions. [2021-10-11 00:34:13,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-10-11 00:34:13,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-10-11 00:34:13,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-10-11 00:34:13,270 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:34:13,271 INFO L692 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-10-11 00:34:13,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-10-11 00:34:13,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-10-11 00:34:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2021-10-11 00:34:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-10-11 00:34:13,341 INFO L715 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-10-11 00:34:13,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:13,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:34:13,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:34:13,348 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand 3 states. [2021-10-11 00:34:13,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:13,410 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-10-11 00:34:13,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:34:13,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-10-11 00:34:13,422 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-10-11 00:34:13,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-10-11 00:34:13,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-10-11 00:34:13,434 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-10-11 00:34:13,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-10-11 00:34:13,435 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:34:13,435 INFO L692 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-10-11 00:34:13,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-10-11 00:34:13,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-10-11 00:34:13,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2021-10-11 00:34:13,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-10-11 00:34:13,453 INFO L715 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-11 00:34:13,453 INFO L595 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-11 00:34:13,453 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:34:13,453 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-10-11 00:34:13,478 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-11 00:34:13,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:34:13,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:34:13,481 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,481 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:34:13,481 INFO L794 eck$LassoCheckResult]: Stem: 6331#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(29);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(10);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(34);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(20);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(11);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(19);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(100, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string53.base, #t~string53.offset, 1);call write~init~int(100, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(10, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(115, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string97.base, #t~string97.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(21);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(30);call #t~string101.base, #t~string101.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(21);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(30);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(9);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(25);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(30);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(9);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(25);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(10);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(12);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(18);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(13);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(16);call #t~string135.base, #t~string135.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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__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; 5949#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~5, main_~tmp~8;havoc main_~retValue_acc~5;havoc main_~tmp~8; 5950#L730 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 6264#L738 main_#t~ret45 := valid_product_#res;main_~tmp~8 := main_#t~ret45;havoc main_#t~ret45; 6121#L538 assume 0 != main_~tmp~8;havoc setup_#t~nondet40, setup_#t~nondet42, setup_#t~nondet44, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 6122#L2398 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6144#L2404-2 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; 6151#L1963 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6221#L1969-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 6228#L2398-2 assume !(1 == setClientId_~handle); 6262#L2401-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 6192#L2404-5 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; 6193#L1963-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6138#L1969-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42;~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; 6189#L2398-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 6077#L2404-8 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; 6108#L1963-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6084#L1969-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44; 6085#L525 havoc test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, 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~11, test_~tmp___0~5, test_~tmp___1~4, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~5;havoc test_~tmp___1~4;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 6467#L928-1 assume !false; 6442#L783 [2021-10-11 00:34:13,482 INFO L796 eck$LassoCheckResult]: Loop: 6442#L783 assume test_~splverifierCounter~0 < 4; 6443#L784 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6465#L790 assume !(0 == test_~op1~0); 6418#L803 assume !(0 == test_~op2~0); 5972#L814 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet68;havoc test_#t~nondet68; 5965#L819 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; 5967#L1963-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 6087#L1969-11 test_~op3~0 := 1; 5987#L928-1 assume !false; 6442#L783 [2021-10-11 00:34:13,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,482 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-11 00:34:13,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406934781] [2021-10-11 00:34:13,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:13,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406934781] [2021-10-11 00:34:13,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:34:13,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:34:13,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851885907] [2021-10-11 00:34:13,644 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:34:13,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:13,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-11 00:34:13,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:34:13,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632999864] [2021-10-11 00:34:13,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:34:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:34:13,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:34:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:34:13,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:34:13,668 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:34:13,755 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:34:13,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:34:13,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:34:13,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:34:13,755 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:34:13,756 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:13,756 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:34:13,756 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:34:13,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration2_Loop [2021-10-11 00:34:13,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:34:13,756 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:34:13,760 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,777 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:13,989 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:34:13,989 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:13,996 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:34:13,996 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,022 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:34:14,023 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet68=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet68=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:34:14,064 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,113 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:34:14,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:34:14,147 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:34:14,153 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:34:14,153 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:34:14,154 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:34:14,154 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:34:14,154 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:34:14,154 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:34:14,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:34:14,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product17.cil.c_Iteration2_Loop [2021-10-11 00:34:14,155 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:34:14,155 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:34:14,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:34:14,373 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:34:14,374 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:14,384 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 [2021-10-11 00:34:14,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:34:14,386 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:34:14,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:34:14,386 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-11 00:34:14,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:34:14,393 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-11 00:34:14,393 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,405 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:14,442 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 [2021-10-11 00:34:14,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:34:14,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:34:14,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:34:14,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:34:14,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:34:14,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:34:14,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,469 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:34:14,472 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:34:14,472 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f8eaa2c-4d12-4820-80da-4ffd1ac93c84/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:34:14,483 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:34:14,483 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:34:14,483 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:34:14,483 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:34:14,514 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:34:14,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:34:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:34:14,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:34:14,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:34:14,832 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:34:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:34:14,898 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 [2021-10-11 00:34:14,898 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand 4 states. [2021-10-11 00:34:14,940 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand 4 states. Result 1039 states and 1901 transitions. Complement of second has 6 states. [2021-10-11 00:34:14,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:34:14,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:34:14,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-10-11 00:34:14,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-11 00:34:14,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:14,943 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-11 00:34:14,943 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:14,944 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-11 00:34:14,945 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:34:14,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-10-11 00:34:14,956 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:34:14,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-10-11 00:34:14,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:34:14,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:34:14,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:34:14,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:34:14,957 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:14,957 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:14,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:34:14,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:34:14,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:34:14,958 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2021-10-11 00:34:14,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:34:14,958 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:34:14,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:34:14,959 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:34:14,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:34:14,959 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:34:14,959 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:34:14,959 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:34:14,959 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:34:14,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:34:14,960 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:14,960 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:14,960 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:34:14,960 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:34:14,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:34:14,960 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:34:14,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:34:14,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:34:14 BoogieIcfgContainer [2021-10-11 00:34:14,966 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:34:14,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:34:14,967 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:34:14,967 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:34:14,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:34:11" (3/4) ... [2021-10-11 00:34:14,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:34:14,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:34:14,972 INFO L168 Benchmark]: Toolchain (without parser) took 8372.34 ms. Allocated memory was 92.3 MB in the beginning and 281.0 MB in the end (delta: 188.7 MB). Free memory was 50.4 MB in the beginning and 207.0 MB in the end (delta: -156.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,973 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 92.3 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:14,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1051.00 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 50.2 MB in the beginning and 93.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 220.28 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 80.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,975 INFO L168 Benchmark]: Boogie Preprocessor took 163.55 ms. Allocated memory is still 130.0 MB. Free memory was 80.1 MB in the beginning and 70.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,976 INFO L168 Benchmark]: RCFGBuilder took 3159.36 ms. Allocated memory was 130.0 MB in the beginning and 195.0 MB in the end (delta: 65.0 MB). Free memory was 70.1 MB in the beginning and 91.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:34:14,976 INFO L168 Benchmark]: BuchiAutomizer took 3768.05 ms. Allocated memory was 195.0 MB in the beginning and 281.0 MB in the end (delta: 86.0 MB). Free memory was 91.6 MB in the beginning and 207.0 MB in the end (delta: -115.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:14,977 INFO L168 Benchmark]: Witness Printer took 4.01 ms. Allocated memory is still 281.0 MB. Free memory is still 207.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:34:14,980 INFO L339 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 92.3 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1051.00 ms. Allocated memory was 92.3 MB in the beginning and 130.0 MB in the end (delta: 37.7 MB). Free memory was 50.2 MB in the beginning and 93.2 MB in the end (delta: -43.0 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 220.28 ms. Allocated memory is still 130.0 MB. Free memory was 92.7 MB in the beginning and 80.1 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 163.55 ms. Allocated memory is still 130.0 MB. Free memory was 80.1 MB in the beginning and 70.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3159.36 ms. Allocated memory was 130.0 MB in the beginning and 195.0 MB in the end (delta: 65.0 MB). Free memory was 70.1 MB in the beginning and 91.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 61.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3768.05 ms. Allocated memory was 195.0 MB in the beginning and 281.0 MB in the end (delta: 86.0 MB). Free memory was 91.6 MB in the beginning and 207.0 MB in the end (delta: -115.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.01 ms. Allocated memory is still 281.0 MB. Free memory is still 207.0 MB. There was no memory consumed. Max. memory is 16.1 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 1.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4146 SDtfs, 3651 SDslu, 5309 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 31ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 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...