./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be --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 c2ee13e5ae0bbed1c37b7eadefb29cbd7041f4c5e0d498dc3d4ea1e000526be8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 20:22:34,950 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:22:34,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:22:35,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:22:35,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:22:35,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:22:35,012 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:22:35,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:22:35,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:22:35,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:22:35,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:22:35,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:22:35,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:22:35,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:22:35,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:22:35,046 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:22:35,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:22:35,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:22:35,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:22:35,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:22:35,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:22:35,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:22:35,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:22:35,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:22:35,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:22:35,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:22:35,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:22:35,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:22:35,079 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:22:35,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:22:35,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:22:35,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:22:35,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:22:35,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:22:35,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:22:35,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:22:35,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:22:35,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:22:35,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:22:35,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:22:35,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:22:35,092 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:22:35,144 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:22:35,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:22:35,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:22:35,145 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:22:35,147 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:22:35,147 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:22:35,147 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:22:35,147 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:22:35,147 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:22:35,148 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:22:35,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:22:35,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:22:35,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:22:35,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:22:35,150 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:22:35,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:22:35,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:22:35,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:22:35,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:22:35,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:22:35,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:22:35,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:22:35,151 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:22:35,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:22:35,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:22:35,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:22:35,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:22:35,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:22:35,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:22:35,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:22:35,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:22:35,153 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:22:35,155 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:22:35,155 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_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2ee13e5ae0bbed1c37b7eadefb29cbd7041f4c5e0d498dc3d4ea1e000526be8 [2021-10-21 20:22:35,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:22:35,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:22:35,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:22:35,424 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:22:35,425 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:22:35,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2021-10-21 20:22:35,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/data/e19f59abc/bd7a4f896a6c46c1beb8884966efc5ba/FLAGdff401013 [2021-10-21 20:22:36,124 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:22:36,127 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c [2021-10-21 20:22:36,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/data/e19f59abc/bd7a4f896a6c46c1beb8884966efc5ba/FLAGdff401013 [2021-10-21 20:22:36,295 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/data/e19f59abc/bd7a4f896a6c46c1beb8884966efc5ba [2021-10-21 20:22:36,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:22:36,300 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:22:36,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:36,302 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:22:36,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:22:36,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:36" (1/1) ... [2021-10-21 20:22:36,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62538f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:36, skipping insertion in model container [2021-10-21 20:22:36,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:22:36" (1/1) ... [2021-10-21 20:22:36,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:22:36,405 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:22:36,921 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_e733c50a-a30f-4c87-ab08-ebc66cacefeb/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c[35789,35802] [2021-10-21 20:22:37,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:37,033 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:22:37,094 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_e733c50a-a30f-4c87-ab08-ebc66cacefeb/sv-benchmarks/c/product-lines/email_spec1_productSimulator.cil.c[35789,35802] [2021-10-21 20:22:37,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:22:37,183 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:22:37,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37 WrapperNode [2021-10-21 20:22:37,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:22:37,185 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:37,185 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:22:37,185 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:22:37,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:37,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:42,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:22:42,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:22:42,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:22:42,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:22:42,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:42,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:43,829 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:43,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:45,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:46,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:46,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:47,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:22:47,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:22:47,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:22:47,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:22:47,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (1/1) ... [2021-10-21 20:22:47,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:22:47,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:22:47,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:22:47,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:22:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:22:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:22:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:22:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:22:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:23:28,278 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:23:28,279 INFO L299 CfgBuilder]: Removed 35867 assume(true) statements. [2021-10-21 20:23:28,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:28 BoogieIcfgContainer [2021-10-21 20:23:28,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:23:28,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:23:28,314 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:23:28,317 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:23:28,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:23:28,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:22:36" (1/3) ... [2021-10-21 20:23:28,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47be13bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:23:28, skipping insertion in model container [2021-10-21 20:23:28,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:23:28,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:22:37" (2/3) ... [2021-10-21 20:23:28,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47be13bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:23:28, skipping insertion in model container [2021-10-21 20:23:28,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:23:28,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:28" (3/3) ... [2021-10-21 20:23:28,321 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2021-10-21 20:23:28,379 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:23:28,380 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:23:28,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:23:28,380 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:23:28,380 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:23:28,380 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:23:28,380 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:23:28,381 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:23:29,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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) [2021-10-21 20:23:29,605 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-21 20:23:29,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:23:29,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:23:29,618 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] [2021-10-21 20:23:29,618 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:29,619 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:23:29,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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) [2021-10-21 20:23:30,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-21 20:23:30,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:23:30,087 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:23:30,094 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] [2021-10-21 20:23:30,094 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:30,108 INFO L791 eck$LassoCheckResult]: Stem: 24682#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~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(18);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(16);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(16);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(10);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(34);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(20);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(22);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(11);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(19);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string109.base, #t~string109.offset, 1);call write~init~int(100, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(10, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string112.base, #t~string112.offset, 1);call write~init~int(100, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(10, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(30);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string165.base, #t~string165.offset, 1);call write~init~int(115, #t~string165.base, 1 + #t~string165.offset, 1);call write~init~int(10, #t~string165.base, 2 + #t~string165.offset, 1);call write~init~int(0, #t~string165.base, 3 + #t~string165.offset, 1);~__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;~mail_is_sensitive~0 := -1;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 21879#L-1true havoc main_#res;havoc main_#t~ret104, main_~retValue_acc~21, main_~tmp~20;havoc main_~retValue_acc~21;havoc main_~tmp~20;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 3200#L3385true havoc select_features_#t~ret157, select_features_#t~ret158, select_features_#t~ret159, select_features_#t~ret160, select_features_#t~ret161, select_features_#t~ret162, select_features_#t~ret163, select_features_#t~ret164;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 22275#L3358true select_features_#t~ret157 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret157;havoc select_features_#t~ret157;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 31513#L3358-1true select_features_#t~ret158 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret158;havoc select_features_#t~ret158;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 30646#L3358-2true select_features_#t~ret159 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret159;havoc select_features_#t~ret159;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 23575#L3358-3true select_features_#t~ret160 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret160;havoc select_features_#t~ret160;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 32479#L3358-4true select_features_#t~ret161 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret161;havoc select_features_#t~ret161;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 32564#L3358-5true select_features_#t~ret162 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret162;havoc select_features_#t~ret162;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 2685#L3358-6true select_features_#t~ret163 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret163;havoc select_features_#t~ret163;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 34021#L3358-7true select_features_#t~ret164 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret164;havoc select_features_#t~ret164; 31464#L3377true havoc valid_product_#res;havoc valid_product_~retValue_acc~43, valid_product_~tmp~27;havoc valid_product_~retValue_acc~43;havoc valid_product_~tmp~27; 26392#L3393true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 2435#L3396true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~27 := 0; 15703#L3396-1true valid_product_~retValue_acc~43 := valid_product_~tmp~27;valid_product_#res := valid_product_~retValue_acc~43; 33990#L3453true main_#t~ret104 := valid_product_#res;main_~tmp~20 := main_#t~ret104;havoc main_#t~ret104; 9094#L1759true assume 0 != main_~tmp~20;havoc setup_#t~nondet99, setup_#t~nondet101, setup_#t~nondet103, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 3018#L1603true 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; 24253#L3334-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 28363#L3340-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 27820#L1641true 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; 10956#L3334-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 13734#L3340-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 899#L1679true 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; 11869#L3334-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 2133#L3340-17true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103; 28937#L1746true havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 319#L332-1true [2021-10-21 20:23:30,109 INFO L793 eck$LassoCheckResult]: Loop: 319#L332-1true assume !false; 9673#L141true assume test_~splverifierCounter~0 < 4; 27541#L142true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 12810#L148true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet11;havoc test_#t~nondet11; 31503#L152true assume 0 != test_~tmp___9~0; 11466#L153true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 11541#L153-1true test_~op1~0 := 1; 319#L332-1true [2021-10-21 20:23:30,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:30,122 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-10-21 20:23:30,131 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:30,131 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660758893] [2021-10-21 20:23:30,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:30,133 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:30,568 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:30,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660758893] [2021-10-21 20:23:30,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660758893] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:30,570 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:30,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:23:30,572 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601881753] [2021-10-21 20:23:30,585 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:23:30,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:30,591 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-10-21 20:23:30,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:30,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313919931] [2021-10-21 20:23:30,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:30,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:30,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:30,606 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:30,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:30,730 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:30,731 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:30,731 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:30,731 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:30,731 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:23:30,732 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:30,732 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:30,732 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:30,733 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration1_Loop [2021-10-21 20:23:30,733 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:30,733 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:30,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:30,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:30,767 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:30,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:30,854 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:30,855 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:23:30,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:30,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:30,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:30,866 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:30,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:30,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:23:30,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:30,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:30,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:30,925 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:30,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:23:30,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:30,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:23:30,955 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:23:30,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:30,992 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:30,992 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:30,992 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:30,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:30,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:23:30,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:30,993 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:30,993 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:30,993 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration1_Loop [2021-10-21 20:23:30,993 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:30,993 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:30,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:31,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:31,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:31,013 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:31,078 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:31,083 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:23:31,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:31,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:31,089 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:31,094 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 [2021-10-21 20:23:31,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:31,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:31,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:31,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:31,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:31,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:31,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:31,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:23:31,118 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:23:31,144 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:23:31,144 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:23:31,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:31,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:31,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:23:31,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:23:31,404 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:23:31,404 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:23:31,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-10-21 20:23:31,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:31,440 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:23:31,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:31,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:31,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:31,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:31,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:31,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:23:31,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:32,005 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 [2021-10-21 20:23:32,041 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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) [2021-10-21 20:23:38,087 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 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 173231 states and 278304 transitions. Complement of second has 7 states. [2021-10-21 20:23:38,087 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 [2021-10-21 20:23:38,089 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) [2021-10-21 20:23:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166884 transitions. [2021-10-21 20:23:38,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 7 letters. [2021-10-21 20:23:38,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:38,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 34 letters. Loop has 7 letters. [2021-10-21 20:23:38,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:38,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 14 letters. [2021-10-21 20:23:38,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:38,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173231 states and 278304 transitions. [2021-10-21 20:23:40,094 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-10-21 20:23:40,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173231 states to 990 states and 1812 transitions. [2021-10-21 20:23:40,115 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-10-21 20:23:40,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-10-21 20:23:40,118 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-10-21 20:23:40,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:23:40,120 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-10-21 20:23:40,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-10-21 20:23:40,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-10-21 20:23:40,210 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) [2021-10-21 20:23:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-10-21 20:23:40,221 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-10-21 20:23:40,222 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:40,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:23:40,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:23:40,231 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) [2021-10-21 20:23:40,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:40,301 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-10-21 20:23:40,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:23:40,303 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-10-21 20:23:40,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-21 20:23:40,310 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-10-21 20:23:40,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-10-21 20:23:40,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-10-21 20:23:40,312 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-10-21 20:23:40,314 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:23:40,314 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:23:40,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-10-21 20:23:40,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-10-21 20:23:40,325 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) [2021-10-21 20:23:40,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-10-21 20:23:40,327 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:23:40,327 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:23:40,327 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:23:40,327 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-10-21 20:23:40,330 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-21 20:23:40,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:23:40,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:23:40,332 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] [2021-10-21 20:23:40,332 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:40,332 INFO L791 eck$LassoCheckResult]: Stem: 209802#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~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(18);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(16);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(16);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(10);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(34);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(20);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(22);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(11);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(19);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string109.base, #t~string109.offset, 1);call write~init~int(100, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(10, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string112.base, #t~string112.offset, 1);call write~init~int(100, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(10, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(30);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string165.base, #t~string165.offset, 1);call write~init~int(115, #t~string165.base, 1 + #t~string165.offset, 1);call write~init~int(10, #t~string165.base, 2 + #t~string165.offset, 1);call write~init~int(0, #t~string165.base, 3 + #t~string165.offset, 1);~__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;~mail_is_sensitive~0 := -1;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 209744#L-1 havoc main_#res;havoc main_#t~ret104, main_~retValue_acc~21, main_~tmp~20;havoc main_~retValue_acc~21;havoc main_~tmp~20;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209548#L3385 havoc select_features_#t~ret157, select_features_#t~ret158, select_features_#t~ret159, select_features_#t~ret160, select_features_#t~ret161, select_features_#t~ret162, select_features_#t~ret163, select_features_#t~ret164;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209327#L3358 select_features_#t~ret157 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret157;havoc select_features_#t~ret157;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209328#L3358-1 select_features_#t~ret158 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret158;havoc select_features_#t~ret158;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209461#L3358-2 select_features_#t~ret159 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret159;havoc select_features_#t~ret159;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209746#L3358-3 select_features_#t~ret160 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret160;havoc select_features_#t~ret160;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209516#L3358-4 select_features_#t~ret161 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret161;havoc select_features_#t~ret161;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209517#L3358-5 select_features_#t~ret162 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret162;havoc select_features_#t~ret162;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209669#L3358-6 select_features_#t~ret163 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret163;havoc select_features_#t~ret163;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 209362#L3358-7 select_features_#t~ret164 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret164;havoc select_features_#t~ret164; 209363#L3377 havoc valid_product_#res;havoc valid_product_~retValue_acc~43, valid_product_~tmp~27;havoc valid_product_~retValue_acc~43;havoc valid_product_~tmp~27; 209801#L3393 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209499#L3397 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209500#L3402 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209457#L3407 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209458#L3412 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209264#L3417 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209534#L3422 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~27 := 1; 209535#L3396-1 valid_product_~retValue_acc~43 := valid_product_~tmp~27;valid_product_#res := valid_product_~retValue_acc~43; 209756#L3453 main_#t~ret104 := valid_product_#res;main_~tmp~20 := main_#t~ret104;havoc main_#t~ret104; 209805#L1759 assume 0 != main_~tmp~20;havoc setup_#t~nondet99, setup_#t~nondet101, setup_#t~nondet103, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 209734#L1603 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; 209576#L3334-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209301#L3340-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209719#L1641 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; 209745#L3334-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209270#L3340-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209518#L1679 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; 209519#L3334-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209532#L3340-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103; 209658#L1746 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 209659#L332-1 assume !false; 209386#L141 [2021-10-21 20:23:40,333 INFO L793 eck$LassoCheckResult]: Loop: 209386#L141 assume test_~splverifierCounter~0 < 4; 209446#L142 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209366#L148 assume !(0 == test_~op1~0); 209367#L165 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet12;havoc test_#t~nondet12; 209690#L170 assume 0 != test_~tmp___8~0; 209769#L171 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209712#L171-1 test_~op2~0 := 1; 209384#L332-1 assume !false; 209386#L141 [2021-10-21 20:23:40,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,334 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-10-21 20:23:40,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047737105] [2021-10-21 20:23:40,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:40,443 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:40,443 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047737105] [2021-10-21 20:23:40,443 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047737105] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:40,444 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:40,444 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:23:40,444 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514737001] [2021-10-21 20:23:40,444 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:23:40,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:40,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-10-21 20:23:40,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:40,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610036137] [2021-10-21 20:23:40,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:40,446 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:40,454 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:40,467 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:40,534 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:40,534 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:40,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:40,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:40,535 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:23:40,535 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,535 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:40,535 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:40,535 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration2_Loop [2021-10-21 20:23:40,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:40,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:40,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,547 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,654 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:40,654 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:23:40,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:40,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:40,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:40,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:23:40,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:40,736 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:40,737 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:40,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:23:40,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:40,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:23:40,766 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:23:40,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:40,802 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:40,802 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:40,802 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:40,802 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:40,802 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:23:40,802 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,802 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:40,803 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:40,803 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration2_Loop [2021-10-21 20:23:40,803 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:40,803 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:40,804 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,813 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:40,909 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:40,909 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:23:40,909 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:40,911 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:40,916 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 [2021-10-21 20:23:40,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:40,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:40,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:40,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:40,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:40,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:40,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:40,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:23:40,942 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:23:40,946 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:23:40,946 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:23:40,946 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:40,948 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:40,952 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:23:40,952 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:23:40,952 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:23:40,952 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-21 20:23:40,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:23:40,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:40,991 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:23:41,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:41,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:41,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:23:41,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:41,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:41,416 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 [2021-10-21 20:23:41,417 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) [2021-10-21 20:23:41,581 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. [2021-10-21 20:23:41,582 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 [2021-10-21 20:23:41,584 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) [2021-10-21 20:23:41,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-10-21 20:23:41,589 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-10-21 20:23:41,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:41,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-10-21 20:23:41,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:41,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-10-21 20:23:41,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:41,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-10-21 20:23:41,605 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-10-21 20:23:41,625 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-10-21 20:23:41,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-10-21 20:23:41,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-10-21 20:23:41,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-10-21 20:23:41,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:23:41,628 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-10-21 20:23:41,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-10-21 20:23:41,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-10-21 20:23:41,656 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) [2021-10-21 20:23:41,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-10-21 20:23:41,659 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-10-21 20:23:41,659 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:41,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:41,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:41,660 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) [2021-10-21 20:23:42,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:42,281 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-10-21 20:23:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:23:42,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-10-21 20:23:42,287 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-21 20:23:42,296 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-21 20:23:42,296 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-10-21 20:23:42,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-10-21 20:23:42,297 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-10-21 20:23:42,297 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:23:42,297 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:23:42,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-10-21 20:23:42,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-10-21 20:23:42,316 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) [2021-10-21 20:23:42,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-21 20:23:42,319 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:23:42,319 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:23:42,320 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:23:42,320 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-10-21 20:23:42,323 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-21 20:23:42,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:23:42,323 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:23:42,326 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] [2021-10-21 20:23:42,326 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:23:42,327 INFO L791 eck$LassoCheckResult]: Stem: 214609#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~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(10);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(12);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(10);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(18);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(16);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(16);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(10);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(34);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(16);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(20);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(22);call #t~string83.base, #t~string83.offset := #Ultimate.allocOnStack(21);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(44);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(44);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(9);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(9);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(11);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(19);call #t~string109.base, #t~string109.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string109.base, #t~string109.offset, 1);call write~init~int(100, #t~string109.base, 1 + #t~string109.offset, 1);call write~init~int(10, #t~string109.base, 2 + #t~string109.offset, 1);call write~init~int(0, #t~string109.base, 3 + #t~string109.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string112.base, #t~string112.offset, 1);call write~init~int(100, #t~string112.base, 1 + #t~string112.offset, 1);call write~init~int(10, #t~string112.base, 2 + #t~string112.offset, 1);call write~init~int(0, #t~string112.base, 3 + #t~string112.offset, 1);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(30);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(9);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(21);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(30);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(9);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(21);call #t~string146.base, #t~string146.offset := #Ultimate.allocOnStack(30);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(9);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(25);call #t~string149.base, #t~string149.offset := #Ultimate.allocOnStack(30);call #t~string150.base, #t~string150.offset := #Ultimate.allocOnStack(9);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(25);call #t~string165.base, #t~string165.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string165.base, #t~string165.offset, 1);call write~init~int(115, #t~string165.base, 1 + #t~string165.offset, 1);call write~init~int(10, #t~string165.base, 2 + #t~string165.offset, 1);call write~init~int(0, #t~string165.base, 3 + #t~string165.offset, 1);~__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;~mail_is_sensitive~0 := -1;~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;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 214544#L-1 havoc main_#res;havoc main_#t~ret104, main_~retValue_acc~21, main_~tmp~20;havoc main_~retValue_acc~21;havoc main_~tmp~20;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214339#L3385 havoc select_features_#t~ret157, select_features_#t~ret158, select_features_#t~ret159, select_features_#t~ret160, select_features_#t~ret161, select_features_#t~ret162, select_features_#t~ret163, select_features_#t~ret164;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214113#L3358 select_features_#t~ret157 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret157;havoc select_features_#t~ret157;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214114#L3358-1 select_features_#t~ret158 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret158;havoc select_features_#t~ret158;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214249#L3358-2 select_features_#t~ret159 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret159;havoc select_features_#t~ret159;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214546#L3358-3 select_features_#t~ret160 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret160;havoc select_features_#t~ret160;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214306#L3358-4 select_features_#t~ret161 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret161;havoc select_features_#t~ret161;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214307#L3358-5 select_features_#t~ret162 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret162;havoc select_features_#t~ret162;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214466#L3358-6 select_features_#t~ret163 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret163;havoc select_features_#t~ret163;havoc select_one_#res;havoc select_one_#t~nondet156, select_one_~retValue_acc~42, select_one_~choice~0;havoc select_one_~retValue_acc~42;select_one_~choice~0 := select_one_#t~nondet156;havoc select_one_#t~nondet156;select_one_~retValue_acc~42 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~42; 214142#L3358-7 select_features_#t~ret164 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret164;havoc select_features_#t~ret164; 214143#L3377 havoc valid_product_#res;havoc valid_product_~retValue_acc~43, valid_product_~tmp~27;havoc valid_product_~retValue_acc~43;havoc valid_product_~tmp~27; 214607#L3393 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214565#L3396 assume 0 != ~__SELECTED_FEATURE_Decrypt~0; 214288#L3397 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214289#L3402 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214332#L3406 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214241#L3407 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214242#L3412 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214044#L3417 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214324#L3422 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~27 := 1; 214325#L3396-1 valid_product_~retValue_acc~43 := valid_product_~tmp~27;valid_product_#res := valid_product_~retValue_acc~43; 214554#L3453 main_#t~ret104 := valid_product_#res;main_~tmp~20 := main_#t~ret104;havoc main_#t~ret104; 214613#L1759 assume 0 != main_~tmp~20;havoc setup_#t~nondet99, setup_#t~nondet101, setup_#t~nondet103, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0; 214533#L1603 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; 214368#L3334-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214087#L3340-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string98.base, #t~string98.offset;havoc setup_#t~nondet99;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214516#L1641 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; 214545#L3334-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214052#L3340-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string100.base, #t~string100.offset;havoc setup_#t~nondet101;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214308#L1679 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; 214309#L3334-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214314#L3340-17 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string102.base, #t~string102.offset;havoc setup_#t~nondet103; 214455#L1746 havoc test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, 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~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 214456#L332-1 assume !false; 214649#L141 assume test_~splverifierCounter~0 < 4; 214381#L142 [2021-10-21 20:23:42,328 INFO L793 eck$LassoCheckResult]: Loop: 214381#L142 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214152#L148 assume !(0 == test_~op1~0); 214153#L165 assume !(0 == test_~op2~0); 214144#L183 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet13;havoc test_#t~nondet13; 214089#L188 assume 0 != test_~tmp___7~0; 214090#L189 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214200#L189-1 test_~op3~0 := 1; 214170#L332-1 assume !false; 214172#L141 assume test_~splverifierCounter~0 < 4; 214381#L142 [2021-10-21 20:23:42,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:42,329 INFO L82 PathProgramCache]: Analyzing trace with hash -307546040, now seen corresponding path program 1 times [2021-10-21 20:23:42,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:42,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440365056] [2021-10-21 20:23:42,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:42,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:42,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:42,434 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:23:42,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440365056] [2021-10-21 20:23:42,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440365056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:23:42,435 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:23:42,435 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:23:42,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396353309] [2021-10-21 20:23:42,436 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:23:42,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:42,437 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-10-21 20:23:42,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:23:42,437 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477074601] [2021-10-21 20:23:42,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:23:42,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:23:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:42,445 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:23:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:23:42,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:23:42,514 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:42,515 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:42,515 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:42,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:42,515 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:23:42,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:42,516 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:42,516 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration3_Loop [2021-10-21 20:23:42,516 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:42,516 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:42,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:42,629 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:42,629 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:23:42,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:42,630 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:42,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:23:42,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:42,639 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:42,671 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:23:42,671 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: [] [2021-10-21 20:23:42,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:42,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:42,707 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:42,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:23:42,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:42,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:42,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:23:42,747 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: [] [2021-10-21 20:23:42,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:42,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:42,783 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:42,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:42,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:23:42,819 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:23:42,819 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___7~0=4, ULTIMATE.start_test_#t~nondet13=4} Honda state: {ULTIMATE.start_test_~tmp___7~0=4, ULTIMATE.start_test_#t~nondet13=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:23:42,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:42,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:42,856 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:42,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:23:42,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:23:42,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:42,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:42,921 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:42,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:42,922 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:42,931 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:23:42,931 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:23:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:23:43,059 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:23:43,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:43,066 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:23:43,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:23:43,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:23:43,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:23:43,066 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:23:43,066 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:43,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:23:43,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:23:43,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec1_productSimulator.cil.c_Iteration3_Loop [2021-10-21 20:23:43,067 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:23:43,067 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:23:43,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:23:43,177 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:23:43,178 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:23:43,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:43,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:43,181 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:43,184 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 [2021-10-21 20:23:43,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:43,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:43,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:43,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:43,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:43,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:43,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:43,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:23:43,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:43,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:43,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:43,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:43,239 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:43,243 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 [2021-10-21 20:23:43,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:43,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:43,253 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:43,253 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:23:43,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:43,254 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:23:43,254 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:43,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:23:43,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:23:43,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:43,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:43,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:43,307 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:43,313 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 [2021-10-21 20:23:43,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:23:43,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:23:43,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:23:43,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:23:43,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:23:43,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:23:43,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:23:43,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:23:43,334 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:23:43,347 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:23:43,347 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:23:43,347 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:23:43,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:23:43,351 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:23:43,357 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:23:43,357 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:23:43,358 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:23:43,358 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-10-21 20:23:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:23:43,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:43,394 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:23:43,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:23:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:43,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:23:43,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:23:43,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:23:43,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:23:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:23:43,756 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 [2021-10-21 20:23:43,756 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) [2021-10-21 20:23:44,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:44,124 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. [2021-10-21 20:23:44,143 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 [2021-10-21 20:23:44,143 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) [2021-10-21 20:23:44,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-10-21 20:23:44,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-10-21 20:23:44,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:44,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-10-21 20:23:44,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:44,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-10-21 20:23:44,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:23:44,145 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-10-21 20:23:44,155 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:23:44,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-10-21 20:23:44,156 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:23:44,156 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:23:44,156 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:23:44,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:23:44,156 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:44,156 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:44,157 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:23:44,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:23:44,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:23:44,157 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) [2021-10-21 20:23:44,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:23:44,158 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:23:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:23:44,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:44,163 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:23:44,164 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:23:44,164 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:23:44,164 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:23:44,164 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:23:44,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:23:44,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:23:44,164 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:44,165 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:44,165 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:23:44,165 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:23:44,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:23:44,165 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:23:44,165 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:23:44,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:23:44 BoogieIcfgContainer [2021-10-21 20:23:44,171 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:23:44,171 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:23:44,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:23:44,172 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:23:44,172 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:23:28" (3/4) ... [2021-10-21 20:23:44,175 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:23:44,175 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:23:44,178 INFO L168 Benchmark]: Toolchain (without parser) took 67876.50 ms. Allocated memory was 88.1 MB in the beginning and 8.3 GB in the end (delta: 8.2 GB). Free memory was 48.5 MB in the beginning and 6.7 GB in the end (delta: -6.6 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,178 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:44,183 INFO L168 Benchmark]: CACSL2BoogieTranslator took 882.36 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 48.4 MB in the beginning and 60.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 5676.24 ms. Allocated memory was 115.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 60.9 MB in the beginning and 795.1 MB in the end (delta: -734.2 MB). Peak memory consumption was 465.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,185 INFO L168 Benchmark]: Boogie Preprocessor took 4537.42 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 795.1 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 385.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,186 INFO L168 Benchmark]: RCFGBuilder took 40912.87 ms. Allocated memory was 3.2 GB in the beginning and 8.3 GB in the end (delta: 5.1 GB). Free memory was 2.6 GB in the beginning and 7.0 GB in the end (delta: -4.4 GB). Peak memory consumption was 713.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,190 INFO L168 Benchmark]: BuchiAutomizer took 15857.45 ms. Allocated memory is still 8.3 GB. Free memory was 7.0 GB in the beginning and 6.7 GB in the end (delta: 301.5 MB). Peak memory consumption was 300.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:23:44,190 INFO L168 Benchmark]: Witness Printer took 4.19 ms. Allocated memory is still 8.3 GB. Free memory is still 6.7 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:23:44,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 88.1 MB. Free memory is still 68.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 882.36 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 48.4 MB in the beginning and 60.9 MB in the end (delta: -12.6 MB). Peak memory consumption was 13.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 5676.24 ms. Allocated memory was 115.3 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 60.9 MB in the beginning and 795.1 MB in the end (delta: -734.2 MB). Peak memory consumption was 465.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 4537.42 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 795.1 MB in the beginning and 2.6 GB in the end (delta: -1.8 GB). Peak memory consumption was 385.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40912.87 ms. Allocated memory was 3.2 GB in the beginning and 8.3 GB in the end (delta: 5.1 GB). Free memory was 2.6 GB in the beginning and 7.0 GB in the end (delta: -4.4 GB). Peak memory consumption was 713.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 15857.45 ms. Allocated memory is still 8.3 GB. Free memory was 7.0 GB in the beginning and 6.7 GB in the end (delta: 301.5 MB). Peak memory consumption was 300.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.19 ms. Allocated memory is still 8.3 GB. Free memory is still 6.7 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 15.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.6s. Büchi inclusion checks took 8.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 151.4ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.6s 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: 114400 SDtfs, 113898 SDslu, 170830 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 633.9ms 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: 32ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:23:44,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:23:44,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e733c50a-a30f-4c87-ab08-ebc66cacefeb/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...