./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product19.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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/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 0eb0a93133a0d165b4e13ef7269be4b8c3f0f81976a167102da919b09b6c6616 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:15:39,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:15:39,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:15:39,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:15:39,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:15:39,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:15:39,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:15:39,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:15:39,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:15:39,441 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:15:39,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:15:39,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:15:39,445 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:15:39,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:15:39,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:15:39,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:15:39,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:15:39,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:15:39,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:15:39,460 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:15:39,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:15:39,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:15:39,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:15:39,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:15:39,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:15:39,472 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:15:39,472 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:15:39,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:15:39,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:15:39,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:15:39,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:15:39,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:15:39,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:15:39,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:15:39,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:15:39,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:15:39,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:15:39,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:15:39,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:15:39,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:15:39,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:15:39,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:15:39,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:15:39,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:15:39,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:15:39,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:15:39,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:15:39,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:15:39,519 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:15:39,519 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:15:39,520 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:15:39,520 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:15:39,520 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:15:39,521 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:15:39,521 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:15:39,521 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:15:39,521 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:15:39,521 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:15:39,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:15:39,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:15:39,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:15:39,523 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:15:39,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:15:39,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:15:39,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:15:39,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:15:39,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:15:39,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:15:39,525 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:15:39,526 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:15:39,526 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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0eb0a93133a0d165b4e13ef7269be4b8c3f0f81976a167102da919b09b6c6616 [2021-10-21 20:15:39,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:15:39,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:15:39,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:15:39,841 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:15:39,842 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:15:39,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2021-10-21 20:15:39,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/data/4fe8123b4/d4808410f8cf49d3a93e83f66def64d8/FLAGea4b7b6bd [2021-10-21 20:15:40,626 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:15:40,627 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2021-10-21 20:15:40,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/data/4fe8123b4/d4808410f8cf49d3a93e83f66def64d8/FLAGea4b7b6bd [2021-10-21 20:15:40,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/data/4fe8123b4/d4808410f8cf49d3a93e83f66def64d8 [2021-10-21 20:15:40,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:15:40,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:15:40,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:40,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:15:40,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:15:40,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:40" (1/1) ... [2021-10-21 20:15:40,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ac9236 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:40, skipping insertion in model container [2021-10-21 20:15:40,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:15:40" (1/1) ... [2021-10-21 20:15:40,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:15:40,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:15:41,262 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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c[8336,8349] [2021-10-21 20:15:41,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:41,596 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:15:41,622 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_d53b1452-2233-4b38-88ff-28efd5fe9b5c/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c[8336,8349] [2021-10-21 20:15:41,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:15:41,757 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:15:41,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41 WrapperNode [2021-10-21 20:15:41,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:15:41,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:41,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:15:41,759 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:15:41,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:41,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:41,953 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:15:41,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:15:41,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:15:41,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:15:41,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:41,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:41,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:41,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:42,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:42,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:42,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:42,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:15:42,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:15:42,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:15:42,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:15:42,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (1/1) ... [2021-10-21 20:15:42,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:42,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:42,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:42,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:15:42,244 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:15:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:15:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:15:42,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:15:42,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:15:44,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:15:44,701 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2021-10-21 20:15:44,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:44 BoogieIcfgContainer [2021-10-21 20:15:44,705 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:15:44,710 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:15:44,710 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:15:44,714 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:15:44,716 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:44,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:15:40" (1/3) ... [2021-10-21 20:15:44,718 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1da93e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:15:44, skipping insertion in model container [2021-10-21 20:15:44,718 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:44,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:15:41" (2/3) ... [2021-10-21 20:15:44,719 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1da93e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:15:44, skipping insertion in model container [2021-10-21 20:15:44,719 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:15:44,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:44" (3/3) ... [2021-10-21 20:15:44,721 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec3_product19.cil.c [2021-10-21 20:15:44,785 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:15:44,785 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:15:44,785 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:15:44,785 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:15:44,785 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:15:44,786 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:15:44,786 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:15:44,786 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:15:44,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 483 states, 482 states have (on average 1.7385892116182573) internal successors, (838), 482 states have internal predecessors, (838), 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 20:15:44,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:15:44,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:44,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:44,938 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 20:15:44,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:15:44,939 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:15:44,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 483 states, 482 states have (on average 1.7385892116182573) internal successors, (838), 482 states have internal predecessors, (838), 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 20:15:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:15:44,960 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:44,960 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:44,962 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 20:15:44,963 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:15:44,970 INFO L791 eck$LassoCheckResult]: Stem: 477#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(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(20);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(15);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(16);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(12);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(18);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(44);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(11);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(19);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string98.base, #t~string98.offset, 1);call write~init~int(100, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(10, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(30);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(30);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(25);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(30);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_signed~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0; 406#L-1true havoc main_#res;havoc main_#t~ret90, main_~retValue_acc~28, main_~tmp~15;havoc main_~retValue_acc~28;havoc main_~tmp~15; 474#L103true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 140#L111true main_#t~ret90 := valid_product_#res;main_~tmp~15 := main_#t~ret90;havoc main_#t~ret90; 336#L2037true assume 0 != main_~tmp~15;havoc setup_#t~nondet85, setup_#t~nondet87, setup_#t~nondet89, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 102#L1879true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 353#L1885-2true 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; 375#L1444true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 34#L1450-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 162#L1879-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 31#L1885-5true 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; 312#L1444-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 151#L1450-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~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; 468#L1879-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 306#L1885-8true 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; 442#L1444-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 460#L1450-8true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89; 364#L2024true havoc test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, 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~8, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 5#L693-1true [2021-10-21 20:15:44,971 INFO L793 eck$LassoCheckResult]: Loop: 5#L693-1true assume !false; 425#L548true assume test_~splverifierCounter~0 < 4; 46#L549true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 484#L555true assume !(0 == test_~op1~0); 247#L568true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet44;havoc test_#t~nondet44; 291#L573true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 5#L693-1true [2021-10-21 20:15:44,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:44,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-21 20:15:44,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:44,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29780362] [2021-10-21 20:15:44,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:44,991 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:45,487 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 20:15:45,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:15:45,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29780362] [2021-10-21 20:15:45,489 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29780362] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:45,490 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:45,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:15:45,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798337137] [2021-10-21 20:15:45,498 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:15:45,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:45,499 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-21 20:15:45,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:45,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663831922] [2021-10-21 20:15:45,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:45,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:45,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:45,516 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:45,564 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:45,639 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:45,639 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:45,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:45,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:45,640 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:15:45,640 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:45,640 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:45,640 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:45,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product19.cil.c_Iteration1_Loop [2021-10-21 20:15:45,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:45,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:45,659 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 20:15:45,669 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 20:15:45,681 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 20:15:45,685 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 20:15:45,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:45,782 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:15:45,784 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:45,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:45,803 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:15:45,803 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:15:45,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:15:45,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:45,869 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:45,871 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:45,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:15:45,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:15:45,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:15:45,912 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:15:45,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:45,953 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:45,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:45,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:45,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:45,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:15:45,954 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:45,954 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:45,954 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:45,954 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product19.cil.c_Iteration1_Loop [2021-10-21 20:15:45,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:45,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:45,956 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 20:15:45,965 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 20:15:45,972 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 20:15:45,981 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 20:15:46,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:46,073 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:15:46,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:46,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:46,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:46,092 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 20:15:46,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:46,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:46,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:46,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:46,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:46,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:46,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:46,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:15:46,127 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:15:46,135 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:15:46,135 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:15:46,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:46,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:46,140 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:46,143 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:15:46,144 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:15:46,144 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:15:46,145 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 20:15:46,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:15:46,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:46,197 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:15:46,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:46,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:46,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:15:46,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:46,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:15:46,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:46,797 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 20:15:46,815 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 20:15:46,819 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 483 states, 482 states have (on average 1.7385892116182573) internal successors, (838), 482 states have internal predecessors, (838), 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 20:15:47,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 483 states, 482 states have (on average 1.7385892116182573) internal successors, (838), 482 states have internal predecessors, (838), 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 2088 states and 3598 transitions. Complement of second has 7 states. [2021-10-21 20:15:47,107 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 20:15:47,109 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 20:15:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2028 transitions. [2021-10-21 20:15:47,115 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2028 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-21 20:15:47,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:47,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2028 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-21 20:15:47,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:47,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2028 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-21 20:15:47,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:47,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2088 states and 3598 transitions. [2021-10-21 20:15:47,154 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-21 20:15:47,177 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2088 states to 879 states and 1596 transitions. [2021-10-21 20:15:47,178 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-21 20:15:47,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-21 20:15:47,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-21 20:15:47,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:15:47,182 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-21 20:15:47,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-21 20:15:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-21 20:15:47,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 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 20:15:47,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-21 20:15:47,256 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-21 20:15:47,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:15:47,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:15:47,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:15:47,262 INFO L87 Difference]: Start difference. First operand 456 states and 825 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 20:15:47,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:47,327 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-21 20:15:47,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:15:47,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-21 20:15:47,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-21 20:15:47,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-21 20:15:47,354 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-21 20:15:47,356 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-21 20:15:47,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-21 20:15:47,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:15:47,357 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-21 20:15:47,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-21 20:15:47,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-21 20:15:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 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 20:15:47,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-21 20:15:47,392 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 20:15:47,392 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-21 20:15:47,392 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:15:47,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-21 20:15:47,396 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-21 20:15:47,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:15:47,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:15:47,398 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 20:15:47,398 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:15:47,399 INFO L791 eck$LassoCheckResult]: Stem: 4472#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(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(10);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(16);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(20);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(13);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(16);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(15);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(16);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(10);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(12);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(18);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(44);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(44);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(9);call #t~string86.base, #t~string86.offset := #Ultimate.allocOnStack(9);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(11);call #t~string92.base, #t~string92.offset := #Ultimate.allocOnStack(19);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string95.base, #t~string95.offset, 1);call write~init~int(100, #t~string95.base, 1 + #t~string95.offset, 1);call write~init~int(10, #t~string95.base, 2 + #t~string95.offset, 1);call write~init~int(0, #t~string95.base, 3 + #t~string95.offset, 1);call #t~string98.base, #t~string98.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string98.base, #t~string98.offset, 1);call write~init~int(100, #t~string98.base, 1 + #t~string98.offset, 1);call write~init~int(10, #t~string98.base, 2 + #t~string98.offset, 1);call write~init~int(0, #t~string98.base, 3 + #t~string98.offset, 1);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(30);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(9);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(21);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(30);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(9);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(21);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(30);call #t~string133.base, #t~string133.offset := #Ultimate.allocOnStack(9);call #t~string134.base, #t~string134.offset := #Ultimate.allocOnStack(25);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(30);call #t~string136.base, #t~string136.offset := #Ultimate.allocOnStack(9);call #t~string137.base, #t~string137.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~sent_signed~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__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;~head~0.base, ~head~0.offset := 0, 0; 4431#L-1 havoc main_#res;havoc main_#t~ret90, main_~retValue_acc~28, main_~tmp~15;havoc main_~retValue_acc~28;havoc main_~tmp~15; 4432#L103 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 4397#L111 main_#t~ret90 := valid_product_#res;main_~tmp~15 := main_#t~ret90;havoc main_#t~ret90; 4312#L2037 assume 0 != main_~tmp~15;havoc setup_#t~nondet85, setup_#t~nondet87, setup_#t~nondet89, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset, setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset;havoc setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.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; 4313#L1879 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4335#L1885-2 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; 4349#L1444 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4102#L1450-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string84.base, #t~string84.offset;havoc setup_#t~nondet85;~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; 4129#L1879-2 assume !(1 == setClientId_~handle); 4087#L1882-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4088#L1885-5 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; 4112#L1444-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4234#L1450-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string86.base, #t~string86.offset;havoc setup_#t~nondet87;~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; 4410#L1879-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4192#L1885-8 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; 4227#L1444-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4053#L1450-8 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string88.base, #t~string88.offset;havoc setup_#t~nondet89; 4375#L2024 havoc test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_#t~nondet53, 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~8, test_~tmp___0~2, test_~tmp___1~2, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~2;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4376#L693-1 assume !false; 4031#L548 [2021-10-21 20:15:47,400 INFO L793 eck$LassoCheckResult]: Loop: 4031#L548 assume test_~splverifierCounter~0 < 4; 4154#L549 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4155#L555 assume !(0 == test_~op1~0); 4436#L568 assume !(0 == test_~op2~0); 4177#L579 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet45;havoc test_#t~nondet45; 4385#L584 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; 4201#L1444-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4202#L1450-11 test_~op3~0 := 1; 4030#L693-1 assume !false; 4031#L548 [2021-10-21 20:15:47,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:47,400 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-21 20:15:47,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:47,401 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231818600] [2021-10-21 20:15:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:47,402 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:47,613 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 20:15:47,613 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:15:47,614 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231818600] [2021-10-21 20:15:47,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231818600] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:15:47,615 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:15:47,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:15:47,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354760483] [2021-10-21 20:15:47,616 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:15:47,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:47,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-21 20:15:47,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:15:47,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232328550] [2021-10-21 20:15:47,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:15:47,618 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:15:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:47,637 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:15:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:15:47,671 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:15:47,815 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:47,816 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:47,816 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:47,816 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:47,816 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:15:47,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:47,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:47,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:47,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product19.cil.c_Iteration2_Loop [2021-10-21 20:15:47,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:47,818 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:47,820 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 20:15:47,829 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 20:15:47,841 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 20:15:47,845 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 20:15:47,855 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 20:15:47,867 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 20:15:47,871 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 20:15:48,026 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:48,026 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:15:48,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:48,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:48,032 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:48,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:15:48,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:15:48,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:15:48,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:48,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:48,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:48,130 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:48,136 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:15:48,136 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:15:48,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:15:48,203 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:15:48,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:48,211 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:15:48,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:15:48,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:15:48,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:15:48,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:15:48,212 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:48,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:15:48,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:15:48,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product19.cil.c_Iteration2_Loop [2021-10-21 20:15:48,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:15:48,212 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:15:48,214 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 20:15:48,226 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 20:15:48,232 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 20:15:48,235 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 20:15:48,243 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 20:15:48,250 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 20:15:48,253 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 20:15:48,378 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:15:48,378 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:15:48,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:48,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:48,383 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:48,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:15:48,388 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 20:15:48,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:15:48,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:15:48,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:15:48,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:15:48,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:15:48,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:15:48,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:15:48,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:15:48,430 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:15:48,430 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:15:48,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:15:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:15:48,432 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:15:48,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:15:48,435 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:15:48,435 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:15:48,435 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 20:15:48,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:15:48,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:48,476 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:15:48,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:15:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:48,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 641 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:15:48,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:15:48,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:15:48,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:15:48,953 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 20:15:48,954 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 20:15:48,954 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 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 20:15:48,992 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. 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 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-21 20:15:48,993 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 20:15:48,993 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 20:15:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-21 20:15:48,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-21 20:15:48,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:48,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-21 20:15:48,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:48,996 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-21 20:15:48,997 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:15:48,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-21 20:15:49,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:15:49,008 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-21 20:15:49,008 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:15:49,008 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:15:49,008 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:15:49,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:49,009 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:15:49,009 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:15:49,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:15:49,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:15:49,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:15:49,010 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 20:15:49,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:15:49,011 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:15:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:15:49,011 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:15:49,011 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:15:49,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:15:49,012 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:15:49,012 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:15:49,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:15:49,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:15:49,013 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:15:49,013 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:15:49,013 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:15:49,013 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:15:49,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:15:49,013 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:15:49,014 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:15:49,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:15:49 BoogieIcfgContainer [2021-10-21 20:15:49,021 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:15:49,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:15:49,022 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:15:49,022 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:15:49,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:15:44" (3/4) ... [2021-10-21 20:15:49,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:15:49,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:15:49,028 INFO L168 Benchmark]: Toolchain (without parser) took 8223.82 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 84.5 MB in the beginning and 70.7 MB in the end (delta: 13.8 MB). Peak memory consumption was 81.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,029 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory was 103.6 MB in the beginning and 103.5 MB in the end (delta: 78.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:15:49,030 INFO L168 Benchmark]: CACSL2BoogieTranslator took 946.41 ms. Allocated memory is still 123.7 MB. Free memory was 84.3 MB in the beginning and 73.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,031 INFO L168 Benchmark]: Boogie Procedure Inliner took 194.74 ms. Allocated memory is still 123.7 MB. Free memory was 72.7 MB in the beginning and 63.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,032 INFO L168 Benchmark]: Boogie Preprocessor took 122.60 ms. Allocated memory is still 123.7 MB. Free memory was 63.3 MB in the beginning and 56.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,033 INFO L168 Benchmark]: RCFGBuilder took 2629.10 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 56.2 MB in the beginning and 141.3 MB in the end (delta: -85.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,033 INFO L168 Benchmark]: BuchiAutomizer took 4310.81 ms. Allocated memory is still 190.8 MB. Free memory was 141.3 MB in the beginning and 71.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,034 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 190.8 MB. Free memory was 71.8 MB in the beginning and 70.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:15:49,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 123.7 MB. Free memory was 103.6 MB in the beginning and 103.5 MB in the end (delta: 78.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 946.41 ms. Allocated memory is still 123.7 MB. Free memory was 84.3 MB in the beginning and 73.0 MB in the end (delta: 11.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 194.74 ms. Allocated memory is still 123.7 MB. Free memory was 72.7 MB in the beginning and 63.3 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 122.60 ms. Allocated memory is still 123.7 MB. Free memory was 63.3 MB in the beginning and 56.2 MB in the end (delta: 7.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2629.10 ms. Allocated memory was 123.7 MB in the beginning and 190.8 MB in the end (delta: 67.1 MB). Free memory was 56.2 MB in the beginning and 141.3 MB in the end (delta: -85.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4310.81 ms. Allocated memory is still 190.8 MB. Free memory was 141.3 MB in the beginning and 71.8 MB in the end (delta: 69.6 MB). Peak memory consumption was 69.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.84 ms. Allocated memory is still 190.8 MB. Free memory was 71.8 MB in the beginning and 70.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 89.6ms AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2875 SDtfs, 2456 SDslu, 3515 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.7ms 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: 65ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:15:49,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:15:49,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d53b1452-2233-4b38-88ff-28efd5fe9b5c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...