./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3 --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 a698bfda30fc45412df3d7ef5f49d0bb332058ab ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:06:11,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:06:11,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:06:11,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:06:11,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:06:11,908 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:06:11,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:06:11,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:06:11,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:06:11,917 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:06:11,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:06:11,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:06:11,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:06:11,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:06:11,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:06:11,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:06:11,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:06:11,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:06:11,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:06:11,934 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:06:11,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:06:11,938 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:06:11,940 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:06:11,941 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:06:11,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:06:11,946 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:06:11,947 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:06:11,948 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:06:11,949 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:06:11,950 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:06:11,951 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:06:11,952 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:06:11,953 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:06:11,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:06:11,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:06:11,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:06:11,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:06:11,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:06:11,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:06:11,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:06:11,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:06:11,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:06:11,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:06:11,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:06:11,991 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:06:11,991 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:06:11,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:06:11,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:06:11,993 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:06:11,994 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:06:11,994 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:06:11,994 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:06:11,995 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:06:11,995 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:06:11,995 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:06:11,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:06:11,996 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:06:11,996 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:06:11,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:06:11,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:06:11,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:06:11,998 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:06:11,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:06:11,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:06:11,999 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:06:11,999 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:06:11,999 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:06:12,000 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:06:12,000 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:06:12,000 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:06:12,001 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:06:12,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:06:12,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:06:12,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:06:12,003 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:06:12,003 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_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a698bfda30fc45412df3d7ef5f49d0bb332058ab [2021-10-15 19:06:12,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:06:12,344 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:06:12,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:06:12,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:06:12,350 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:06:12,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-10-15 19:06:12,435 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/data/522e1ce08/655b433484ca428b958abf3d7d3f2b9c/FLAGe6a9ae9de [2021-10-15 19:06:13,296 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:06:13,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2021-10-15 19:06:13,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/data/522e1ce08/655b433484ca428b958abf3d7d3f2b9c/FLAGe6a9ae9de [2021-10-15 19:06:13,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/data/522e1ce08/655b433484ca428b958abf3d7d3f2b9c [2021-10-15 19:06:13,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:06:13,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:06:13,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:13,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:06:13,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:06:13,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:13" (1/1) ... [2021-10-15 19:06:13,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1108805a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:13, skipping insertion in model container [2021-10-15 19:06:13,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:06:13" (1/1) ... [2021-10-15 19:06:13,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:06:13,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:06:13,795 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_98c3c099-3314-4f36-9db2-915f443a9589/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c[9250,9263] [2021-10-15 19:06:14,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:14,107 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:06:14,132 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_98c3c099-3314-4f36-9db2-915f443a9589/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c[9250,9263] [2021-10-15 19:06:14,284 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:06:14,328 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:06:14,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14 WrapperNode [2021-10-15 19:06:14,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:06:14,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:14,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:06:14,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:06:14,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:14,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:20,779 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:06:20,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:06:20,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:06:20,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:06:20,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:20,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:22,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:22,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:24,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:25,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:25,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:26,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:06:26,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:06:26,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:06:26,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:06:26,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (1/1) ... [2021-10-15 19:06:26,327 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:06:26,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:06:26,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:06:26,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:06:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-15 19:06:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:06:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:06:26,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:06:26,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:07:20,346 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:07:20,346 INFO L299 CfgBuilder]: Removed 36635 assume(true) statements. [2021-10-15 19:07:20,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:07:20 BoogieIcfgContainer [2021-10-15 19:07:20,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:07:20,389 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:07:20,389 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:07:20,393 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:07:20,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:07:20,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:06:13" (1/3) ... [2021-10-15 19:07:20,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5176e3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:07:20, skipping insertion in model container [2021-10-15 19:07:20,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:07:20,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:06:14" (2/3) ... [2021-10-15 19:07:20,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5176e3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:07:20, skipping insertion in model container [2021-10-15 19:07:20,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:07:20,407 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:07:20" (3/3) ... [2021-10-15 19:07:20,409 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2021-10-15 19:07:20,480 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:07:20,481 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:07:20,481 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:07:20,481 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:07:20,482 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:07:20,482 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:07:20,482 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:07:20,482 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:07:21,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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) [2021-10-15 19:07:22,065 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-15 19:07:22,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:07:22,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:07:22,078 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:22,078 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:22,078 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:07:22,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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) [2021-10-15 19:07:22,658 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-15 19:07:22,658 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:07:22,658 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:07:22,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:22,668 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:22,685 INFO L791 eck$LassoCheckResult]: Stem: 25483#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 22592#L-1true havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 1090#L314true havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 22071#L287true select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 26505#L287-1true select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 27173#L287-2true select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 27064#L287-3true select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 18322#L287-4true select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 34879#L287-5true select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 11748#L287-6true select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 14429#L287-7true select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 29487#L306true havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 13361#L322true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 173#L325true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~5 := 0; 18312#L325-1true valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 5833#L382true main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 10766#L3294true assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 1042#L3138true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 29049#L3085-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 29496#L3091-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 11349#L3176true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 13104#L3085-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 32202#L3091-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 1142#L3214true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 17514#L3085-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 22520#L3091-17true setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 22732#L3281true havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 6661#L1996-1true [2021-10-15 19:07:22,687 INFO L793 eck$LassoCheckResult]: Loop: 6661#L1996-1true assume !false; 5047#L1805true assume test_~splverifierCounter~0 < 4; 20790#L1806true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 19769#L1812true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet122;havoc test_#t~nondet122; 17159#L1816true assume 0 != test_~tmp___9~0; 11315#L1817true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 1598#L1817-1true test_~op1~0 := 1; 6661#L1996-1true [2021-10-15 19:07:22,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:22,711 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-10-15 19:07:22,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:22,723 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78888496] [2021-10-15 19:07:22,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:22,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:23,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:23,266 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:07:23,267 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78888496] [2021-10-15 19:07:23,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78888496] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:07:23,269 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:07:23,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-15 19:07:23,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654352272] [2021-10-15 19:07:23,280 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:07:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:23,284 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-10-15 19:07:23,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:23,285 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967524101] [2021-10-15 19:07:23,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:23,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:23,315 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:07:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:23,389 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:07:23,482 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:23,483 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:23,483 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:23,483 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:23,483 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:07:23,484 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,484 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:23,485 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:23,485 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-10-15 19:07:23,485 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:23,485 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:23,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,636 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:23,637 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:07:23,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:23,642 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:23,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:07:23,649 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:23,652 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:23,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:23,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:23,728 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:23,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:07:23,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:23,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:07:23,768 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:07:23,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:23,814 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:23,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:23,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:23,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:23,814 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:07:23,814 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,814 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:23,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:23,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration1_Loop [2021-10-15 19:07:23,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:23,815 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:23,817 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,833 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:23,923 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:23,929 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:07:23,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:23,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:23,941 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 [2021-10-15 19:07:23,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:23,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:23,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:23,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:07:23,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:23,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:07:23,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:23,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:07:23,973 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:07:23,989 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:07:23,989 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 19:07:23,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:23,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:24,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:24,074 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:07:24,074 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:07:24,075 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:07:24,076 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-10-15 19:07:24,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:07:24,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:24,118 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:07:24,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:24,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:07:24,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:24,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:07:24,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:24,712 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 [2021-10-15 19:07:24,774 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-15 19:07:25,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:32,253 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 36180 states, 36179 states have (on average 1.612288896873877) internal successors, (58331), 36179 states have internal predecessors, (58331), 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 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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 180271 states and 290272 transitions. Complement of second has 7 states. [2021-10-15 19:07:32,254 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 [2021-10-15 19:07:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 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) [2021-10-15 19:07:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 174180 transitions. [2021-10-15 19:07:32,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 7 letters. [2021-10-15 19:07:32,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:32,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 34 letters. Loop has 7 letters. [2021-10-15 19:07:32,505 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:32,505 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 174180 transitions. Stem has 27 letters. Loop has 14 letters. [2021-10-15 19:07:32,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:32,508 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180271 states and 290272 transitions. [2021-10-15 19:07:34,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-10-15 19:07:34,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180271 states to 990 states and 1812 transitions. [2021-10-15 19:07:34,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-10-15 19:07:34,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-10-15 19:07:34,672 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-10-15 19:07:34,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:07:34,684 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-10-15 19:07:34,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-10-15 19:07:34,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-10-15 19:07:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.8216216216216217) internal successors, (1011), 554 states have internal predecessors, (1011), 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) [2021-10-15 19:07:34,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-10-15 19:07:34,797 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-10-15 19:07:34,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:07:34,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-15 19:07:34,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-15 19:07:34,806 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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) [2021-10-15 19:07:34,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:07:34,935 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-10-15 19:07:34,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-15 19:07:34,936 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-10-15 19:07:34,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-15 19:07:34,947 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-10-15 19:07:34,948 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-10-15 19:07:34,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-10-15 19:07:34,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-10-15 19:07:34,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:07:34,952 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-15 19:07:34,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-10-15 19:07:34,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-10-15 19:07:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.809009009009009) internal successors, (1004), 554 states have internal predecessors, (1004), 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) [2021-10-15 19:07:34,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-10-15 19:07:34,973 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-15 19:07:34,973 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-15 19:07:34,973 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:07:34,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-10-15 19:07:34,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-15 19:07:34,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:07:34,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:07:34,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:34,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:34,983 INFO L791 eck$LassoCheckResult]: Stem: 218251#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 218194#L-1 havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 218195#L314 havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218218#L287 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218138#L287-1 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218139#L287-2 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218122#L287-3 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 218123#L287-4 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217943#L287-5 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217944#L287-6 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 217995#L287-7 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 218094#L306 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 218137#L322 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 218181#L326 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 217914#L331 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 217822#L336 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217998#L341 assume 0 == ~__SELECTED_FEATURE_Verify~0; 217894#L346 assume 0 == ~__SELECTED_FEATURE_Sign~0; 217895#L351 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 217966#L325-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 218110#L382 main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 217841#L3294 assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 217842#L3138 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 218235#L3085-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217700#L3091-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 218148#L3176 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 218249#L3085-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217708#L3091-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 217770#L3214 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 217763#L3085-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 217764#L3091-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 217709#L3281 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 217710#L1996-1 assume !false; 217996#L1805 [2021-10-15 19:07:34,984 INFO L793 eck$LassoCheckResult]: Loop: 217996#L1805 assume test_~splverifierCounter~0 < 4; 218168#L1806 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 217823#L1812 assume !(0 == test_~op1~0); 217824#L1829 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet123;havoc test_#t~nondet123; 217784#L1834 assume 0 != test_~tmp___8~0; 217786#L1835 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 217741#L1835-1 test_~op2~0 := 1; 217767#L1996-1 assume !false; 217996#L1805 [2021-10-15 19:07:34,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:34,985 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-10-15 19:07:34,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:34,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268317451] [2021-10-15 19:07:34,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:34,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:35,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:35,183 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:07:35,183 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268317451] [2021-10-15 19:07:35,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268317451] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:07:35,184 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:07:35,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:07:35,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729971279] [2021-10-15 19:07:35,185 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:07:35,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:35,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-10-15 19:07:35,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:35,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544763578] [2021-10-15 19:07:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:35,188 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:35,198 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:07:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:35,216 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:07:35,306 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:35,307 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:35,307 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:35,307 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:35,307 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:07:35,308 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,308 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:35,308 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:35,308 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2021-10-15 19:07:35,308 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:35,309 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:35,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:35,452 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:07:35,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:35,454 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:35,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:35,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:35,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:07:35,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:35,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:35,536 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:35,543 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:07:35,543 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:35,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:07:35,575 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:07:35,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:35,620 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:35,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:35,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:35,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:35,621 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:07:35,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:35,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:35,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration2_Loop [2021-10-15 19:07:35,621 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:35,621 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:35,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:35,743 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:35,743 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:07:35,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:35,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:35,750 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 [2021-10-15 19:07:35,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:35,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:35,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:35,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:07:35,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:35,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:07:35,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:07:35,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:35,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:07:35,782 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:07:35,783 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 19:07:35,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:35,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:35,784 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:35,791 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:07:35,791 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:07:35,791 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:07:35,791 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-15 19:07:35,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:07:35,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:35,848 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:07:35,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:36,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:07:36,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:36,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:07:36,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:36,365 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 [2021-10-15 19:07:36,365 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-10-15 19:07:36,536 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 2006 states and 3673 transitions. Complement of second has 6 states. [2021-10-15 19:07:36,536 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 [2021-10-15 19:07:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2021-10-15 19:07:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-10-15 19:07:36,539 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-10-15 19:07:36,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:36,542 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-10-15 19:07:36,545 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:36,545 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-10-15 19:07:36,548 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:36,549 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-10-15 19:07:36,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-10-15 19:07:36,583 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-10-15 19:07:36,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-10-15 19:07:36,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-10-15 19:07:36,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-10-15 19:07:36,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:07:36,585 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-10-15 19:07:36,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-10-15 19:07:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-10-15 19:07:36,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8229066410009624) internal successors, (1894), 1038 states have internal predecessors, (1894), 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) [2021-10-15 19:07:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-10-15 19:07:36,644 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-10-15 19:07:36,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:07:36,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:07:36,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:07:36,647 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-10-15 19:07:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:07:37,396 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-10-15 19:07:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-15 19:07:37,399 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-10-15 19:07:37,405 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-15 19:07:37,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-15 19:07:37,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-10-15 19:07:37,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-10-15 19:07:37,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-10-15 19:07:37,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-15 19:07:37,417 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-15 19:07:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-10-15 19:07:37,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-10-15 19:07:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8209817131857555) internal successors, (1892), 1038 states have internal predecessors, (1892), 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) [2021-10-15 19:07:37,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-15 19:07:37,444 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-15 19:07:37,444 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-15 19:07:37,444 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:07:37,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-10-15 19:07:37,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-15 19:07:37,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:07:37,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:07:37,452 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:37,452 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:07:37,453 INFO L791 eck$LassoCheckResult]: Stem: 223053#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(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(10);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(12);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(10);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(18);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(16);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string47.base, #t~string47.offset, 1);call write~init~int(115, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(10, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(21);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(30);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(9);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(25);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(34);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(30);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(16);call #t~string108.base, #t~string108.offset := #Ultimate.allocOnStack(20);call #t~string110.base, #t~string110.offset := #Ultimate.allocOnStack(22);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(21);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(44);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(44);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(9);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(9);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(11);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(19);call #t~string153.base, #t~string153.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string153.base, #t~string153.offset, 1);call write~init~int(100, #t~string153.base, 1 + #t~string153.offset, 1);call write~init~int(10, #t~string153.base, 2 + #t~string153.offset, 1);call write~init~int(0, #t~string153.base, 3 + #t~string153.offset, 1);call #t~string156.base, #t~string156.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string156.base, #t~string156.offset, 1);call write~init~int(100, #t~string156.base, 1 + #t~string156.offset, 1);call write~init~int(10, #t~string156.base, 2 + #t~string156.offset, 1);call write~init~int(0, #t~string156.base, 3 + #t~string156.offset, 1);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(13);call #t~string166.base, #t~string166.offset := #Ultimate.allocOnStack(16);call #t~string168.base, #t~string168.offset := #Ultimate.allocOnStack(15);call #t~string170.base, #t~string170.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;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~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;~__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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~sent_signed~0 := -1; 222986#L-1 havoc main_#res;havoc main_#t~ret148, main_~retValue_acc~44, main_~tmp~25;havoc main_~retValue_acc~44;havoc main_~tmp~25;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 222987#L314 havoc select_features_#t~ret39, select_features_#t~ret40, select_features_#t~ret41, select_features_#t~ret42, select_features_#t~ret43, select_features_#t~ret44, select_features_#t~ret45, select_features_#t~ret46;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 223013#L287 select_features_#t~ret39 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret39;havoc select_features_#t~ret39;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222925#L287-1 select_features_#t~ret40 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret40;havoc select_features_#t~ret40;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222926#L287-2 select_features_#t~ret41 := select_one_#res;~__SELECTED_FEATURE_Encrypt~0 := select_features_#t~ret41;havoc select_features_#t~ret41;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222907#L287-3 select_features_#t~ret42 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret42;havoc select_features_#t~ret42;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222908#L287-4 select_features_#t~ret43 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret43;havoc select_features_#t~ret43;~__SELECTED_FEATURE_Sign~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222725#L287-5 select_features_#t~ret44 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret44;havoc select_features_#t~ret44;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222726#L287-6 select_features_#t~ret45 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret45;havoc select_features_#t~ret45;havoc select_one_#res;havoc select_one_#t~nondet38, select_one_~retValue_acc~5, select_one_~choice~0;havoc select_one_~retValue_acc~5;select_one_~choice~0 := select_one_#t~nondet38;havoc select_one_#t~nondet38;select_one_~retValue_acc~5 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~5; 222778#L287-7 select_features_#t~ret46 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret46;havoc select_features_#t~ret46; 222877#L306 havoc valid_product_#res;havoc valid_product_~retValue_acc~6, valid_product_~tmp~5;havoc valid_product_~retValue_acc~6;havoc valid_product_~tmp~5; 222924#L322 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222971#L326 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 222695#L331 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 222604#L336 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222782#L340 assume 0 != ~__SELECTED_FEATURE_Verify~0; 222821#L341 assume 0 == ~__SELECTED_FEATURE_Verify~0; 222676#L346 assume !(0 == ~__SELECTED_FEATURE_Sign~0); 222677#L350 assume 0 != ~__SELECTED_FEATURE_Keys~0; 222748#L351 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~5 := 1; 222749#L325-1 valid_product_~retValue_acc~6 := valid_product_~tmp~5;valid_product_#res := valid_product_~retValue_acc~6; 222893#L382 main_#t~ret148 := valid_product_#res;main_~tmp~25 := main_#t~ret148;havoc main_#t~ret148; 222623#L3294 assume 0 != main_~tmp~25;havoc setup_#t~nondet143, setup_#t~nondet145, setup_#t~nondet147, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.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_tmp3~4.base, setup_~__cil_tmp3~4.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; 222624#L3138 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 223030#L3085-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222486#L3091-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string142.base, #t~string142.offset;havoc setup_#t~nondet143;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 222935#L3176 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 223050#L3085-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222494#L3091-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string144.base, #t~string144.offset;havoc setup_#t~nondet145;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 222553#L3214 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 222546#L3085-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 222547#L3091-17 setup_~__cil_tmp3~4.base, setup_~__cil_tmp3~4.offset := #t~string146.base, #t~string146.offset;havoc setup_#t~nondet147; 222495#L3281 havoc test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, test_#t~nondet126, test_#t~nondet127, test_#t~nondet128, test_#t~nondet129, test_#t~nondet130, test_#t~nondet131, test_#t~nondet132, 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~21, test_~tmp___0~7, test_~tmp___1~4, test_~tmp___2~4, 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~21;havoc test_~tmp___0~7;havoc test_~tmp___1~4;havoc test_~tmp___2~4;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; 222496#L1996-1 assume !false; 223123#L1805 assume test_~splverifierCounter~0 < 4; 223051#L1806 [2021-10-15 19:07:37,462 INFO L793 eck$LassoCheckResult]: Loop: 223051#L1806 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 222605#L1812 assume !(0 == test_~op1~0); 222606#L1829 assume !(0 == test_~op2~0); 222568#L1847 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet124;havoc test_#t~nondet124; 222754#L1852 assume 0 != test_~tmp___7~0; 223028#L1853 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 222742#L1853-1 test_~op3~0 := 1; 222550#L1996-1 assume !false; 222779#L1805 assume test_~splverifierCounter~0 < 4; 223051#L1806 [2021-10-15 19:07:37,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:37,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1345931480, now seen corresponding path program 1 times [2021-10-15 19:07:37,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:37,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146184817] [2021-10-15 19:07:37,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:37,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:37,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:37,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:07:37,607 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146184817] [2021-10-15 19:07:37,607 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146184817] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:07:37,608 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:07:37,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-15 19:07:37,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871071757] [2021-10-15 19:07:37,613 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-15 19:07:37,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:37,614 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-10-15 19:07:37,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:07:37,614 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171342030] [2021-10-15 19:07:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:07:37,615 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:07:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:37,626 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:07:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:07:37,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:07:37,729 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:37,730 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:37,730 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:37,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:37,730 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:07:37,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:37,731 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:37,731 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:37,731 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2021-10-15 19:07:37,731 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:37,731 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:37,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:37,866 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:37,866 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:07:37,866 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:37,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:37,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:37,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:07:37,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:37,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:37,936 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:07:37,937 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Honda state: {ULTIMATE.start_test_#t~nondet124=-8, ULTIMATE.start_test_~tmp___7~0=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:07:37,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:37,983 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:37,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:37,988 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:37,999 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:37,999 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:38,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:07:38,028 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:07:38,028 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:07:38,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,075 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,081 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:38,081 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:38,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:07:38,103 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:07:38,103 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:07:38,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,131 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:07:38,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:07:38,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:38,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,170 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,172 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:07:38,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:07:38,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:07:38,336 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:07:38,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,345 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:07:38,345 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:07:38,345 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:07:38,345 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:07:38,345 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:07:38,346 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,346 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:07:38,346 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:07:38,346 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_productSimulator.cil.c_Iteration3_Loop [2021-10-15 19:07:38,346 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:07:38,346 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:07:38,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:07:38,486 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:07:38,487 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:07:38,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,491 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:07:38,500 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 [2021-10-15 19:07:38,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:38,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:38,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:38,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:07:38,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:38,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:07:38,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:38,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:07:38,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,568 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,577 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 [2021-10-15 19:07:38,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:38,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:38,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:38,588 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-15 19:07:38,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:38,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-15 19:07:38,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:38,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:07:38,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:07:38,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,652 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:07:38,659 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 [2021-10-15 19:07:38,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:38,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:38,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:38,671 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-15 19:07:38,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:38,672 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-15 19:07:38,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:38,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:07:38,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,732 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 19:07:38,735 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 [2021-10-15 19:07:38,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:07:38,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:07:38,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:07:38,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:07:38,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:07:38,749 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:07:38,749 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:07:38,771 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:07:38,774 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:07:38,774 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 19:07:38,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:07:38,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:07:38,779 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:07:38,785 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:07:38,786 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:07:38,786 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:07:38,786 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-10-15 19:07:38,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 19:07:38,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:38,831 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:07:38,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:07:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:39,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:07:39,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:07:39,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:07:39,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:07:39,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:07:39,277 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 [2021-10-15 19:07:39,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-15 19:07:39,373 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 2228 states and 4083 transitions. Complement of second has 4 states. [2021-10-15 19:07:39,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 19:07:39,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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) [2021-10-15 19:07:39,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-10-15 19:07:39,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-10-15 19:07:39,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:39,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-10-15 19:07:39,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:39,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-10-15 19:07:39,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:07:39,377 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-10-15 19:07:39,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:07:39,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-10-15 19:07:39,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:07:39,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:07:39,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:07:39,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:07:39,390 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:07:39,391 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:07:39,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:07:39,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-15 19:07:39,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-15 19:07:39,392 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2021-10-15 19:07:39,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:07:39,392 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-15 19:07:39,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-15 19:07:39,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-15 19:07:39,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:07:39,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-15 19:07:39,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:07:39,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:07:39,394 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:07:39,394 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:07:39,394 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:07:39,394 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:07:39,394 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:07:39,394 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 19:07:39,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:07:39,395 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:07:39,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:07:39,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:07:39 BoogieIcfgContainer [2021-10-15 19:07:39,402 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:07:39,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:07:39,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:07:39,403 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:07:39,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:07:20" (3/4) ... [2021-10-15 19:07:39,407 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:07:39,407 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:07:39,410 INFO L168 Benchmark]: Toolchain (without parser) took 85984.89 ms. Allocated memory was 123.7 MB in the beginning and 9.5 GB in the end (delta: 9.4 GB). Free memory was 81.2 MB in the beginning and 7.6 GB in the end (delta: -7.5 GB). Peak memory consumption was 1.9 GB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,411 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory is still 100.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:07:39,416 INFO L168 Benchmark]: CACSL2BoogieTranslator took 904.70 ms. Allocated memory is still 123.7 MB. Free memory was 81.0 MB in the beginning and 65.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 6448.71 ms. Allocated memory was 123.7 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 65.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 418.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,420 INFO L168 Benchmark]: Boogie Preprocessor took 5529.38 ms. Allocated memory was 1.7 GB in the beginning and 5.1 GB in the end (delta: 3.4 GB). Free memory was 1.3 GB in the beginning and 4.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 377.5 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,421 INFO L168 Benchmark]: RCFGBuilder took 54077.92 ms. Allocated memory was 5.1 GB in the beginning and 9.5 GB in the end (delta: 4.4 GB). Free memory was 4.5 GB in the beginning and 8.2 GB in the end (delta: -3.8 GB). Peak memory consumption was 768.6 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,425 INFO L168 Benchmark]: BuchiAutomizer took 19012.87 ms. Allocated memory is still 9.5 GB. Free memory was 8.2 GB in the beginning and 7.6 GB in the end (delta: 638.6 MB). Peak memory consumption was 635.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,429 INFO L168 Benchmark]: Witness Printer took 5.05 ms. Allocated memory is still 9.5 GB. Free memory was 7.6 GB in the beginning and 7.6 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:07:39,432 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory is still 100.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 904.70 ms. Allocated memory is still 123.7 MB. Free memory was 81.0 MB in the beginning and 65.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 6448.71 ms. Allocated memory was 123.7 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 65.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 418.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 5529.38 ms. Allocated memory was 1.7 GB in the beginning and 5.1 GB in the end (delta: 3.4 GB). Free memory was 1.3 GB in the beginning and 4.5 GB in the end (delta: -3.2 GB). Peak memory consumption was 377.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 54077.92 ms. Allocated memory was 5.1 GB in the beginning and 9.5 GB in the end (delta: 4.4 GB). Free memory was 4.5 GB in the beginning and 8.2 GB in the end (delta: -3.8 GB). Peak memory consumption was 768.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19012.87 ms. Allocated memory is still 9.5 GB. Free memory was 8.2 GB in the beginning and 7.6 GB in the end (delta: 638.6 MB). Peak memory consumption was 635.4 MB. Max. memory is 16.1 GB. * Witness Printer took 5.05 ms. Allocated memory is still 9.5 GB. Free memory was 7.6 GB in the beginning and 7.6 GB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. 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 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 18.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.7s. Büchi inclusion checks took 9.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 199.7ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 2.2s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 119072 SDtfs, 118567 SDslu, 177841 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 760.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:07:39,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:39,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-15 19:07:39,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98c3c099-3314-4f36-9db2-915f443a9589/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...