./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec27_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec27_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg --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 e1a1a15d818854b6fd39e860ed8f86805463715275e4ae9feedab248e5877daf ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:04:06,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:04:06,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:04:06,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:04:06,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:04:06,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:04:06,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:04:06,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:04:06,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:04:06,337 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:04:06,338 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:04:06,340 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:04:06,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:04:06,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:04:06,346 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:04:06,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:04:06,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:04:06,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:04:06,357 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:04:06,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:04:06,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:04:06,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:04:06,373 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:04:06,374 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:04:06,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:04:06,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:04:06,384 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:04:06,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:04:06,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:04:06,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:04:06,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:04:06,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:04:06,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:04:06,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:04:06,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:04:06,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:04:06,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:04:06,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:04:06,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:04:06,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:04:06,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:04:06,399 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:04:06,441 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:04:06,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:04:06,442 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:04:06,442 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:04:06,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:04:06,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:04:06,444 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:04:06,444 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:04:06,444 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:04:06,444 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:04:06,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:04:06,445 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:04:06,445 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:04:06,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:04:06,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:04:06,446 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:04:06,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:04:06,446 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:04:06,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:04:06,447 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:04:06,447 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:04:06,447 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:04:06,447 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:04:06,448 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:04:06,448 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:04:06,448 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:04:06,448 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:04:06,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:04:06,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:04:06,449 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:04:06,455 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:04:06,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:04:06,456 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:04:06,456 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_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a1a15d818854b6fd39e860ed8f86805463715275e4ae9feedab248e5877daf [2021-10-28 09:04:06,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:04:06,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:04:06,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:04:06,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:04:06,762 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:04:06,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/email_spec27_product18.cil.c [2021-10-28 09:04:06,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/data/6eb765941/d90d70e2dad34d3eaaee1a5da5caa268/FLAG1563ab721 [2021-10-28 09:04:07,513 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:04:07,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c [2021-10-28 09:04:07,553 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/data/6eb765941/d90d70e2dad34d3eaaee1a5da5caa268/FLAG1563ab721 [2021-10-28 09:04:07,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/data/6eb765941/d90d70e2dad34d3eaaee1a5da5caa268 [2021-10-28 09:04:07,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:04:07,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:04:07,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:04:07,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:04:07,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:04:07,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:04:07" (1/1) ... [2021-10-28 09:04:07,752 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364ad7b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:07, skipping insertion in model container [2021-10-28 09:04:07,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:04:07" (1/1) ... [2021-10-28 09:04:07,762 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:04:07,855 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:04:08,686 WARN L228 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_eadd7686-8fc8-4685-9e09-973ce4830c77/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c[62382,62395] [2021-10-28 09:04:08,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:04:08,710 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:04:08,834 WARN L228 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_eadd7686-8fc8-4685-9e09-973ce4830c77/sv-benchmarks/c/product-lines/email_spec27_product18.cil.c[62382,62395] [2021-10-28 09:04:08,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:04:08,872 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:04:08,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08 WrapperNode [2021-10-28 09:04:08,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:04:08,874 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:04:08,874 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:04:08,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:04:08,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:08,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:04:09,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:04:09,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:04:09,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:04:09,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:04:09,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:04:09,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:04:09,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:04:09,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (1/1) ... [2021-10-28 09:04:09,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:09,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:09,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:09,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:04:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 09:04:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:04:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:04:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:04:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:04:11,582 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:04:11,582 INFO L299 CfgBuilder]: Removed 267 assume(true) statements. [2021-10-28 09:04:11,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:11 BoogieIcfgContainer [2021-10-28 09:04:11,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:04:11,590 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:04:11,590 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:04:11,594 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:04:11,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:11,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:04:07" (1/3) ... [2021-10-28 09:04:11,596 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7db9194b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:04:11, skipping insertion in model container [2021-10-28 09:04:11,597 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:11,597 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:04:08" (2/3) ... [2021-10-28 09:04:11,598 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7db9194b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:04:11, skipping insertion in model container [2021-10-28 09:04:11,598 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:04:11,598 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:11" (3/3) ... [2021-10-28 09:04:11,600 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec27_product18.cil.c [2021-10-28 09:04:11,662 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:04:11,662 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:04:11,663 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:04:11,663 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:04:11,663 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:04:11,663 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:04:11,663 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:04:11,663 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:04:11,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 427 states, 426 states have (on average 1.7652582159624413) internal successors, (752), 426 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:11,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 09:04:11,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:04:11,787 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:04:11,797 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:04:11,797 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:04:11,797 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:04:11,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 427 states, 426 states have (on average 1.7652582159624413) internal successors, (752), 426 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:11,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 09:04:11,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:04:11,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:04:11,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:04:11,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:04:11,818 INFO L791 eck$LassoCheckResult]: Stem: 419#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(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(10);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(12);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(10);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(18);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(13);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(16);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(25);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string93.base, #t~string93.offset, 1);call write~init~int(115, #t~string93.base, 1 + #t~string93.offset, 1);call write~init~int(10, #t~string93.base, 2 + #t~string93.offset, 1);call write~init~int(0, #t~string93.base, 3 + #t~string93.offset, 1);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(10);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(16);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(20);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(22);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(16);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 350#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 308#L2886true havoc valid_product_#res;havoc valid_product_~retValue_acc~42;havoc valid_product_~retValue_acc~42;valid_product_~retValue_acc~42 := 1;valid_product_#res := valid_product_~retValue_acc~42; 150#L2894true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 170#L230true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, 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; 189#L1785true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 387#L1791-2true 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; 78#L1350true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 221#L1356-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~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; 200#L1785-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214#L1791-5true 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; 136#L1350-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 276#L1356-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~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; 422#L1785-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 52#L1791-8true 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; 119#L1350-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 356#L1356-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 239#L217true havoc test_#t~nondet95, test_#t~nondet96, test_#t~nondet97, test_#t~nondet98, test_#t~nondet99, test_#t~nondet100, test_#t~nondet101, test_#t~nondet102, test_#t~nondet103, test_#t~nondet104, test_#t~nondet105, 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___0~4, test_~tmp___1~2, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~11;havoc test_~tmp___0~4;havoc test_~tmp___1~2;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 383#L2515-1true [2021-10-28 09:04:11,819 INFO L793 eck$LassoCheckResult]: Loop: 383#L2515-1true assume !false; 3#L2370true assume test_~splverifierCounter~0 < 4; 292#L2371true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 284#L2377true assume !(0 == test_~op1~0); 171#L2390true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet96;havoc test_#t~nondet96; 14#L2395true assume 0 != test_~tmp___8~0;setClientAutoResponse_#in~handle, setClientAutoResponse_#in~value := ~rjh~0, 1;havoc setClientAutoResponse_~handle, setClientAutoResponse_~value;setClientAutoResponse_~handle := setClientAutoResponse_#in~handle;setClientAutoResponse_~value := setClientAutoResponse_#in~value; 341#L1303true assume 1 == setClientAutoResponse_~handle;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value; 288#L1309-2true test_~op2~0 := 1; 383#L2515-1true [2021-10-28 09:04:11,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:11,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 09:04:11,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:04:11,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183863809] [2021-10-28 09:04:11,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:04:11,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:04:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:04:12,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:04:12,296 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:04:12,296 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183863809] [2021-10-28 09:04:12,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183863809] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:04:12,298 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:04:12,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:04:12,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278868345] [2021-10-28 09:04:12,307 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:04:12,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:12,308 INFO L85 PathProgramCache]: Analyzing trace with hash 527790547, now seen corresponding path program 1 times [2021-10-28 09:04:12,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:04:12,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154455474] [2021-10-28 09:04:12,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:04:12,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:04:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:12,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:04:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:04:12,373 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:04:12,544 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:04:12,550 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:04:12,551 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:04:12,551 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:04:12,551 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:04:12,551 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:12,552 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:04:12,552 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:04:12,552 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product18.cil.c_Iteration1_Loop [2021-10-28 09:04:12,552 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:04:12,553 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:04:12,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:12,855 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:04:12,856 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:04:12,859 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:12,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:12,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:12,870 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:04:12,870 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:04:12,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:04:12,904 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:04:12,905 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Honda state: {~__ste_client_autoResponse0~0=1, ULTIMATE.start_setClientAutoResponse_#in~value=1, ULTIMATE.start_setClientAutoResponse_~value=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:04:12,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:04:12,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:12,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:12,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:12,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:04:12,974 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:04:12,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:04:13,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:04:13,041 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:13,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:13,043 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:13,049 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:04:13,050 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:04:13,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:04:13,141 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:04:13,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:04:13,153 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:04:13,153 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:04:13,153 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:04:13,153 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:04:13,153 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:04:13,153 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:13,154 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:04:13,154 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:04:13,154 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec27_product18.cil.c_Iteration1_Loop [2021-10-28 09:04:13,154 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:04:13,154 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:04:13,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:04:13,362 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:04:13,368 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:04:13,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:13,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:13,371 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:13,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:04:13,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:04:13,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:04:13,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:04:13,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:04:13,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:04:13,395 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:04:13,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:04:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:04:13,409 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:04:13,413 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:04:13,413 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 09:04:13,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:04:13,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:04:13,417 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:04:13,424 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:04:13,424 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:04:13,425 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:04:13,425 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 09:04:13,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:04:13,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:04:13,473 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:04:13,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:04:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:04:13,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:04:13,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:04:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:04:13,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:04:13,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:04:13,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:04:14,024 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 [2021-10-28 09:04:14,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 427 states, 426 states have (on average 1.7652582159624413) internal successors, (752), 426 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:14,260 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 427 states, 426 states have (on average 1.7652582159624413) internal successors, (752), 426 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1015 states and 1772 transitions. Complement of second has 7 states. [2021-10-28 09:04:14,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:04:14,269 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 [2021-10-28 09:04:14,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:14,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1069 transitions. [2021-10-28 09:04:14,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1069 transitions. Stem has 18 letters. Loop has 8 letters. [2021-10-28 09:04:14,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:04:14,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1069 transitions. Stem has 26 letters. Loop has 8 letters. [2021-10-28 09:04:14,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:04:14,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1069 transitions. Stem has 18 letters. Loop has 16 letters. [2021-10-28 09:04:14,280 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:04:14,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1015 states and 1772 transitions. [2021-10-28 09:04:14,295 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:04:14,298 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1015 states to 0 states and 0 transitions. [2021-10-28 09:04:14,299 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:04:14,300 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:04:14,300 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:04:14,300 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:04:14,301 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:04:14,301 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:04:14,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:04:14,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:04:14,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:04:14,307 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:04:14,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:04:14,311 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 09:04:14,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:04:14,312 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 09:04:14,312 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:04:14,312 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:04:14,312 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:04:14,312 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:04:14,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:04:14,313 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:04:14,313 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:04:14,313 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:04:14,313 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:04:14,314 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:04:14,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:04:14,314 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:04:14,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:04:14,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:04:14 BoogieIcfgContainer [2021-10-28 09:04:14,321 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:04:14,322 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:04:14,322 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:04:14,322 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:04:14,323 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:04:11" (3/4) ... [2021-10-28 09:04:14,326 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:04:14,327 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:04:14,329 INFO L168 Benchmark]: Toolchain (without parser) took 6596.07 ms. Allocated memory was 102.8 MB in the beginning and 188.7 MB in the end (delta: 86.0 MB). Free memory was 80.1 MB in the beginning and 129.5 MB in the end (delta: -49.4 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,330 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 76.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:04:14,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1127.72 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 51.4 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 197.79 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 94.0 MB in the end (delta: -42.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,332 INFO L168 Benchmark]: Boogie Preprocessor took 153.26 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 87.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,333 INFO L168 Benchmark]: RCFGBuilder took 2360.34 ms. Allocated memory was 123.7 MB in the beginning and 188.7 MB in the end (delta: 65.0 MB). Free memory was 87.7 MB in the beginning and 152.4 MB in the end (delta: -64.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,334 INFO L168 Benchmark]: BuchiAutomizer took 2731.73 ms. Allocated memory is still 188.7 MB. Free memory was 152.4 MB in the beginning and 129.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-10-28 09:04:14,335 INFO L168 Benchmark]: Witness Printer took 4.87 ms. Allocated memory is still 188.7 MB. Free memory is still 129.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:04:14,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 102.8 MB. Free memory is still 76.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1127.72 ms. Allocated memory is still 102.8 MB. Free memory was 79.8 MB in the beginning and 51.4 MB in the end (delta: 28.4 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 197.79 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 51.4 MB in the beginning and 94.0 MB in the end (delta: -42.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.26 ms. Allocated memory is still 123.7 MB. Free memory was 94.0 MB in the beginning and 87.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2360.34 ms. Allocated memory was 123.7 MB in the beginning and 188.7 MB in the end (delta: 65.0 MB). Free memory was 87.7 MB in the beginning and 152.4 MB in the end (delta: -64.7 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2731.73 ms. Allocated memory is still 188.7 MB. Free memory was 152.4 MB in the beginning and 129.5 MB in the end (delta: 22.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.87 ms. Allocated memory is still 188.7 MB. Free memory is still 129.5 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 748 SDtfs, 748 SDslu, 1392 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital45 mio100 ax100 hnf100 lsp24 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq209 hnf86 smp100 dnf120 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 56ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:04:14,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eadd7686-8fc8-4685-9e09-973ce4830c77/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...