./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product29.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_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/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_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/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_bbbf5220-906b-4690-ba41-f30850e20060/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 2586c6a9c5639b30d1f21b288976c8c026e2c567887902cc846265d5507c0a62 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 20:28:14,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:28:14,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:28:14,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:28:14,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:28:14,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:28:14,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:28:14,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:28:14,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:28:14,146 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:28:14,147 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:28:14,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:28:14,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:28:14,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:28:14,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:28:14,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:28:14,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:28:14,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:28:14,157 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:28:14,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:28:14,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:28:14,164 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:28:14,165 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:28:14,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:28:14,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:28:14,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:28:14,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:28:14,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:28:14,173 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:28:14,174 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:28:14,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:28:14,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:28:14,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:28:14,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:28:14,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:28:14,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:28:14,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:28:14,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:28:14,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:28:14,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:28:14,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:28:14,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:28:14,211 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:28:14,211 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:28:14,212 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:28:14,212 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:28:14,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:28:14,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:28:14,213 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:28:14,214 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:28:14,214 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:28:14,214 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:28:14,214 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:28:14,215 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:28:14,215 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:28:14,215 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:28:14,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:28:14,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:28:14,216 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:28:14,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:28:14,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:28:14,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:28:14,217 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:28:14,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:28:14,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:28:14,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:28:14,218 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:28:14,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:28:14,218 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:28:14,218 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:28:14,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:28:14,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:28:14,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:28:14,219 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:28:14,220 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:28:14,220 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_bbbf5220-906b-4690-ba41-f30850e20060/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2586c6a9c5639b30d1f21b288976c8c026e2c567887902cc846265d5507c0a62 [2021-10-21 20:28:14,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:28:14,564 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:28:14,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:28:14,568 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:28:14,568 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:28:14,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2021-10-21 20:28:14,636 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/data/3d783716e/b6473a197da340c784684c4adb9f31f0/FLAG4c216da19 [2021-10-21 20:28:15,293 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:28:15,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2021-10-21 20:28:15,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/data/3d783716e/b6473a197da340c784684c4adb9f31f0/FLAG4c216da19 [2021-10-21 20:28:15,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/data/3d783716e/b6473a197da340c784684c4adb9f31f0 [2021-10-21 20:28:15,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:28:15,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:28:15,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:15,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:28:15,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:28:15,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:15" (1/1) ... [2021-10-21 20:28:15,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253892d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:15, skipping insertion in model container [2021-10-21 20:28:15,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:28:15" (1/1) ... [2021-10-21 20:28:15,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:28:15,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:28:16,039 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_bbbf5220-906b-4690-ba41-f30850e20060/sv-benchmarks/c/product-lines/email_spec7_product29.cil.c[16949,16962] [2021-10-21 20:28:16,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:16,190 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:28:16,265 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_bbbf5220-906b-4690-ba41-f30850e20060/sv-benchmarks/c/product-lines/email_spec7_product29.cil.c[16949,16962] [2021-10-21 20:28:16,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:28:16,424 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:28:16,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16 WrapperNode [2021-10-21 20:28:16,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:28:16,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:28:16,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:28:16,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:28:16,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:28:16,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:28:16,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:28:16,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:28:16,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:28:16,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:28:16,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:28:16,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:28:16,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (1/1) ... [2021-10-21 20:28:16,828 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:16,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:16,890 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:16,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:28:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:28:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:28:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:28:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:28:16,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:28:19,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:28:19,690 INFO L299 CfgBuilder]: Removed 617 assume(true) statements. [2021-10-21 20:28:19,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:19 BoogieIcfgContainer [2021-10-21 20:28:19,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:28:19,696 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:28:19,696 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:28:19,700 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:28:19,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:28:19,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:28:15" (1/3) ... [2021-10-21 20:28:19,702 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5594e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:28:19, skipping insertion in model container [2021-10-21 20:28:19,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:28:19,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:28:16" (2/3) ... [2021-10-21 20:28:19,703 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5594e5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:28:19, skipping insertion in model container [2021-10-21 20:28:19,703 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:28:19,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:19" (3/3) ... [2021-10-21 20:28:19,705 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec7_product29.cil.c [2021-10-21 20:28:19,755 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:28:19,756 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:28:19,756 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:28:19,756 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:28:19,756 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:28:19,756 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:28:19,756 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:28:19,757 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:28:19,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 986 states, 985 states have (on average 1.749238578680203) internal successors, (1723), 985 states have internal predecessors, (1723), 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 20:28:19,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 20:28:19,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:28:19,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:28:19,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:19,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:28:19,914 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:28:19,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 986 states, 985 states have (on average 1.749238578680203) internal successors, (1723), 985 states have internal predecessors, (1723), 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 20:28:19,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 20:28:19,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:28:19,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:28:19,940 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:19,940 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:28:19,953 INFO L791 eck$LassoCheckResult]: Stem: 466#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(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(34);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(20);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(12);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(10);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(18);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(21);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(13);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(16);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(25);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string144.base, #t~string144.offset, 1);call write~init~int(115, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(10, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 901#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 377#L3000true havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 875#L3008true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 355#L232true assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 117#L2409true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 551#L2415-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 89#L1974true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 731#L1980-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 658#L2409-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 506#L2415-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 275#L1974-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 253#L1980-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 756#L2409-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 156#L2415-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 99#L1974-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 224#L1980-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 983#L219true havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, 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~6, test_~tmp___0~2, test_~tmp___1~1, 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~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;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; 86#L929-1true [2021-10-21 20:28:19,954 INFO L793 eck$LassoCheckResult]: Loop: 86#L929-1true assume !false; 718#L784true assume test_~splverifierCounter~0 < 4; 232#L785true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 273#L791true assume !(0 == test_~op1~0); 734#L804true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet71;havoc test_#t~nondet71; 226#L809true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 86#L929-1true [2021-10-21 20:28:19,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:19,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 20:28:19,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:19,969 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372434726] [2021-10-21 20:28:19,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:19,971 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:20,377 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 20:28:20,377 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:20,378 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372434726] [2021-10-21 20:28:20,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372434726] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:20,379 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:20,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:28:20,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963770948] [2021-10-21 20:28:20,396 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:28:20,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:20,397 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 20:28:20,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:20,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031759480] [2021-10-21 20:28:20,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:20,398 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:20,419 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:28:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:20,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:28:20,533 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:28:20,533 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:28:20,534 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:28:20,534 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:28:20,534 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:28:20,534 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,534 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:28:20,534 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:28:20,534 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration1_Loop [2021-10-21 20:28:20,535 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:28:20,535 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:28:20,552 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 20:28:20,559 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 20:28:20,565 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 20:28:20,570 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 20:28:20,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:28:20,645 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:28:20,648 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:20,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:20,660 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:28:20,660 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:28:20,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:28:20,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:20,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:20,726 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:20,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:28:20,731 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:28:20,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:28:20,760 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:28:20,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:20,796 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:28:20,796 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:28:20,797 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:28:20,797 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:28:20,797 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:28:20,797 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,797 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:28:20,797 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:28:20,797 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration1_Loop [2021-10-21 20:28:20,797 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:28:20,798 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:28:20,799 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 20:28:20,807 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 20:28:20,813 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 20:28:20,819 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 20:28:20,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:28:20,890 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:28:20,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:20,893 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:20,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:28:20,897 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 20:28:20,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:28:20,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:28:20,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:28:20,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:28:20,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:28:20,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:28:20,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:28:20,926 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:28:20,945 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:28:20,946 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:28:20,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:20,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:20,960 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:20,981 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:28:20,982 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:28:20,982 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:28:20,983 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 20:28:20,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:28:21,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:21,018 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:28:21,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:21,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 631 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:28:21,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:21,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:28:21,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:21,337 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 20:28:21,351 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 20:28:21,355 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 986 states, 985 states have (on average 1.749238578680203) internal successors, (1723), 985 states have internal predecessors, (1723), 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 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:28:21,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:21,833 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 986 states, 985 states have (on average 1.749238578680203) internal successors, (1723), 985 states have internal predecessors, (1723), 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 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 4564 states and 7944 transitions. Complement of second has 7 states. [2021-10-21 20:28:21,833 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 20:28:21,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:28:21,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 4608 transitions. [2021-10-21 20:28:21,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 20:28:21,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:21,845 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 20:28:21,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:21,846 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 4608 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 20:28:21,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:21,847 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4564 states and 7944 transitions. [2021-10-21 20:28:21,934 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 501 [2021-10-21 20:28:21,955 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4564 states to 1035 states and 1896 transitions. [2021-10-21 20:28:21,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 532 [2021-10-21 20:28:21,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 533 [2021-10-21 20:28:21,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1035 states and 1896 transitions. [2021-10-21 20:28:21,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:28:21,974 INFO L681 BuchiCegarLoop]: Abstraction has 1035 states and 1896 transitions. [2021-10-21 20:28:21,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states and 1896 transitions. [2021-10-21 20:28:22,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 534. [2021-10-21 20:28:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 534 states have (on average 1.8258426966292134) internal successors, (975), 533 states have internal predecessors, (975), 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 20:28:22,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 975 transitions. [2021-10-21 20:28:22,042 INFO L704 BuchiCegarLoop]: Abstraction has 534 states and 975 transitions. [2021-10-21 20:28:22,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:22,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:28:22,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:28:22,046 INFO L87 Difference]: Start difference. First operand 534 states and 975 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:28:22,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:22,110 INFO L93 Difference]: Finished difference Result 1048 states and 1915 transitions. [2021-10-21 20:28:22,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:28:22,111 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1048 states and 1915 transitions. [2021-10-21 20:28:22,123 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 502 [2021-10-21 20:28:22,136 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1048 states to 1048 states and 1915 transitions. [2021-10-21 20:28:22,136 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 544 [2021-10-21 20:28:22,137 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 544 [2021-10-21 20:28:22,137 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1048 states and 1915 transitions. [2021-10-21 20:28:22,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:28:22,138 INFO L681 BuchiCegarLoop]: Abstraction has 1048 states and 1915 transitions. [2021-10-21 20:28:22,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1048 states and 1915 transitions. [2021-10-21 20:28:22,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1048 to 533. [2021-10-21 20:28:22,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 533 states have (on average 1.8217636022514072) internal successors, (971), 532 states have internal predecessors, (971), 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 20:28:22,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 971 transitions. [2021-10-21 20:28:22,163 INFO L704 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-21 20:28:22,163 INFO L587 BuchiCegarLoop]: Abstraction has 533 states and 971 transitions. [2021-10-21 20:28:22,163 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:28:22,163 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 533 states and 971 transitions. [2021-10-21 20:28:22,167 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 251 [2021-10-21 20:28:22,167 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:28:22,167 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:28:22,169 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] [2021-10-21 20:28:22,169 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:28:22,169 INFO L791 eck$LassoCheckResult]: Stem: 7754#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(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(44);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(44);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(9);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(9);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(11);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(19);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string25.base, #t~string25.offset, 1);call write~init~int(100, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(10, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string28.base, #t~string28.offset, 1);call write~init~int(100, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(10, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(34);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(30);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(16);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(20);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(10);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(12);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(10);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(18);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(16);call #t~string131.base, #t~string131.offset := #Ultimate.allocOnStack(21);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(13);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(16);call #t~string140.base, #t~string140.offset := #Ultimate.allocOnStack(25);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string144.base, #t~string144.offset, 1);call write~init~int(115, #t~string144.base, 1 + #t~string144.offset, 1);call write~init~int(10, #t~string144.base, 2 + #t~string144.offset, 1);call write~init~int(0, #t~string144.base, 3 + #t~string144.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;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0; 7708#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 7694#L3000 havoc valid_product_#res;havoc valid_product_~retValue_acc~43;havoc valid_product_~retValue_acc~43;valid_product_~retValue_acc~43 := 1;valid_product_#res := valid_product_~retValue_acc~43; 7669#L3008 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 7645#L232 assume 0 != main_~tmp~1;havoc setup_#t~nondet15, setup_#t~nondet17, setup_#t~nondet19, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7646#L2409 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7429#L2415-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7430#L1974 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7243#L1980-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string14.base, #t~string14.offset;havoc setup_#t~nondet15;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7244#L2409-2 assume !(1 == setClientId_~handle); 7400#L2412-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 7297#L2415-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7298#L1974-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7289#L1980-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string16.base, #t~string16.offset;havoc setup_#t~nondet17;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 7290#L2409-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 7331#L2415-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7647#L1974-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7641#L1980-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string18.base, #t~string18.offset;havoc setup_#t~nondet19; 7759#L219 havoc test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_#t~nondet73, test_#t~nondet74, test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_#t~nondet80, 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~6, test_~tmp___0~2, test_~tmp___1~1, 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~6;havoc test_~tmp___0~2;havoc test_~tmp___1~1;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; 7763#L929-1 assume !false; 7617#L784 [2021-10-21 20:28:22,170 INFO L793 eck$LassoCheckResult]: Loop: 7617#L784 assume test_~splverifierCounter~0 < 4; 7752#L785 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 7345#L791 assume !(0 == test_~op1~0); 7251#L804 assume !(0 == test_~op2~0); 7252#L815 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet72;havoc test_#t~nondet72; 7696#L820 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 7697#L1974-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 7324#L1980-11 test_~op3~0 := 1; 7232#L929-1 assume !false; 7617#L784 [2021-10-21 20:28:22,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:22,171 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 20:28:22,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:22,171 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586459267] [2021-10-21 20:28:22,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:22,172 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:22,273 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 20:28:22,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:28:22,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586459267] [2021-10-21 20:28:22,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586459267] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:28:22,274 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:28:22,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:28:22,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65720815] [2021-10-21 20:28:22,275 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:28:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 20:28:22,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:28:22,276 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322245435] [2021-10-21 20:28:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:28:22,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:28:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:22,286 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:28:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:28:22,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:28:22,402 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:28:22,402 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:28:22,402 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:28:22,402 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:28:22,402 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:28:22,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:28:22,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:28:22,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration2_Loop [2021-10-21 20:28:22,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:28:22,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:28:22,405 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 20:28:22,412 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 20:28:22,418 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 20:28:22,424 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 20:28:22,431 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 20:28:22,434 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 20:28:22,439 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 20:28:22,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:28:22,551 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:28:22,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:22,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:22,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:28:22,567 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:28:22,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:28:22,588 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:28:22,588 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Honda state: {ULTIMATE.start_setClientPrivateKey_#in~value=0, ULTIMATE.start_setClientPrivateKey_~value=0, ~__ste_client_privateKey0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:28:22,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:22,622 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:22,623 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:22,632 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:28:22,632 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:28:22,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:28:22,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:22,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:22,689 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:22,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:28:22,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:28:22,695 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:28:22,760 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:28:22,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:22,763 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:28:22,764 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:28:22,764 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:28:22,764 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:28:22,764 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:28:22,764 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,764 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:28:22,764 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:28:22,764 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product29.cil.c_Iteration2_Loop [2021-10-21 20:28:22,764 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:28:22,765 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:28:22,766 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 20:28:22,779 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 20:28:22,788 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 20:28:22,792 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 20:28:22,795 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 20:28:22,803 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 20:28:22,810 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 20:28:22,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:28:22,931 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:28:22,931 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:22,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:22,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:28:22,948 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 20:28:22,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:28:22,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:28:22,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:28:22,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:28:22,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:28:22,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:28:22,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:28:22,972 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:28:22,974 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:28:22,975 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:28:22,975 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:28:22,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:28:22,976 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:28:22,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:28:22,980 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:28:22,984 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:28:22,984 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:28:22,984 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-21 20:28:23,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:23,025 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:28:23,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:28:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:23,175 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:28:23,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:28:23,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:28:23,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:28:23,404 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 20:28:23,405 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 20:28:23,406 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 20:28:23,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 533 states and 971 transitions. cyclomatic complexity: 440. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 1039 states and 1901 transitions. Complement of second has 6 states. [2021-10-21 20:28:23,500 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 20:28:23,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 20:28:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 508 transitions. [2021-10-21 20:28:23,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 20:28:23,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:23,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 20:28:23,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:23,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 508 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 20:28:23,507 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:28:23,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1901 transitions. [2021-10-21 20:28:23,518 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:28:23,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 0 states and 0 transitions. [2021-10-21 20:28:23,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:28:23,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:28:23,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:28:23,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:28:23,519 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:23,519 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:23,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:28:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:28:23,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:28:23,533 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 20:28:23,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:28:23,533 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:28:23,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:28:23,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:28:23,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:28:23,534 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:28:23,534 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:28:23,534 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:28:23,534 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:28:23,534 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:28:23,534 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:23,534 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:23,534 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:28:23,534 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:28:23,535 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:28:23,535 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:28:23,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:28:23,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:28:23 BoogieIcfgContainer [2021-10-21 20:28:23,541 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:28:23,543 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:28:23,543 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:28:23,543 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:28:23,544 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:28:19" (3/4) ... [2021-10-21 20:28:23,546 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:28:23,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:28:23,548 INFO L168 Benchmark]: Toolchain (without parser) took 8037.70 ms. Allocated memory was 130.0 MB in the beginning and 314.6 MB in the end (delta: 184.5 MB). Free memory was 88.7 MB in the beginning and 242.6 MB in the end (delta: -153.9 MB). Peak memory consumption was 31.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:23,549 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.0 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:23,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:28:23,560 INFO L168 Benchmark]: CACSL2BoogieTranslator took 914.01 ms. Allocated memory is still 130.0 MB. Free memory was 88.5 MB in the beginning and 76.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:23,563 INFO L168 Benchmark]: Boogie Procedure Inliner took 198.32 ms. Allocated memory is still 130.0 MB. Free memory was 76.8 MB in the beginning and 60.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:23,564 INFO L168 Benchmark]: Boogie Preprocessor took 190.45 ms. Allocated memory is still 130.0 MB. Free memory was 60.5 MB in the beginning and 93.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:23,565 INFO L168 Benchmark]: RCFGBuilder took 2877.63 ms. Allocated memory was 130.0 MB in the beginning and 186.6 MB in the end (delta: 56.6 MB). Free memory was 93.0 MB in the beginning and 75.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:28:23,565 INFO L168 Benchmark]: BuchiAutomizer took 3846.45 ms. Allocated memory was 186.6 MB in the beginning and 314.6 MB in the end (delta: 127.9 MB). Free memory was 75.8 MB in the beginning and 243.6 MB in the end (delta: -167.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:23,568 INFO L168 Benchmark]: Witness Printer took 3.26 ms. Allocated memory is still 314.6 MB. Free memory was 243.6 MB in the beginning and 242.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:28:23,578 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 130.0 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 914.01 ms. Allocated memory is still 130.0 MB. Free memory was 88.5 MB in the beginning and 76.8 MB in the end (delta: 11.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 198.32 ms. Allocated memory is still 130.0 MB. Free memory was 76.8 MB in the beginning and 60.5 MB in the end (delta: 16.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 190.45 ms. Allocated memory is still 130.0 MB. Free memory was 60.5 MB in the beginning and 93.0 MB in the end (delta: -32.5 MB). Peak memory consumption was 20.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2877.63 ms. Allocated memory was 130.0 MB in the beginning and 186.6 MB in the end (delta: 56.6 MB). Free memory was 93.0 MB in the beginning and 75.8 MB in the end (delta: 17.2 MB). Peak memory consumption was 78.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3846.45 ms. Allocated memory was 186.6 MB in the beginning and 314.6 MB in the end (delta: 127.9 MB). Free memory was 75.8 MB in the beginning and 243.6 MB in the end (delta: -167.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.26 ms. Allocated memory is still 314.6 MB. Free memory was 243.6 MB in the beginning and 242.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 79.0ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1016 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 533 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4866 SDtfs, 4371 SDslu, 6389 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 91ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:28:23,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbbf5220-906b-4690-ba41-f30850e20060/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...