./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/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_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/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_a0e4003c-f21a-470c-be9f-346f613f1471/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 a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:26:35,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:26:35,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:26:36,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:26:36,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:26:36,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:26:36,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:26:36,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:26:36,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:26:36,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:26:36,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:26:36,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:26:36,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:26:36,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:26:36,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:26:36,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:26:36,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:26:36,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:26:36,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:26:36,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:26:36,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:26:36,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:26:36,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:26:36,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:26:36,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:26:36,115 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:26:36,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:26:36,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:26:36,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:26:36,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:26:36,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:26:36,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:26:36,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:26:36,128 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:26:36,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:26:36,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:26:36,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:26:36,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:26:36,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:26:36,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:26:36,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:26:36,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:26:36,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:26:36,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:26:36,199 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:26:36,199 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:26:36,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:26:36,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:26:36,201 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:26:36,201 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:26:36,202 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:26:36,202 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:26:36,202 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:26:36,202 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:26:36,202 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:26:36,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:26:36,203 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:26:36,203 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:26:36,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:26:36,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:26:36,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:26:36,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:26:36,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:26:36,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:26:36,205 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:26:36,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:26:36,205 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:26:36,205 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:26:36,206 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:26:36,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:26:36,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:26:36,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:26:36,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:26:36,207 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:26:36,213 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:26:36,213 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_a0e4003c-f21a-470c-be9f-346f613f1471/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a46e94d21677d8e787ff51041171bb0d6a97c638f1cb1f2181c1b14c15718344 [2021-10-21 20:26:36,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:26:36,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:26:36,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:26:36,641 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:26:36,642 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:26:36,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-10-21 20:26:36,736 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/data/e29e3ab8d/7740ee03a59b4e9f990b0e6de4828b31/FLAGa00b245c4 [2021-10-21 20:26:37,432 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:26:37,432 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c [2021-10-21 20:26:37,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/data/e29e3ab8d/7740ee03a59b4e9f990b0e6de4828b31/FLAGa00b245c4 [2021-10-21 20:26:37,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/data/e29e3ab8d/7740ee03a59b4e9f990b0e6de4828b31 [2021-10-21 20:26:37,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:26:37,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:26:37,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:37,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:26:37,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:26:37,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:37" (1/1) ... [2021-10-21 20:26:37,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ec54aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:37, skipping insertion in model container [2021-10-21 20:26:37,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:26:37" (1/1) ... [2021-10-21 20:26:37,653 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:26:37,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:26:38,422 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_a0e4003c-f21a-470c-be9f-346f613f1471/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-10-21 20:26:38,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:38,658 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:26:38,743 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_a0e4003c-f21a-470c-be9f-346f613f1471/sv-benchmarks/c/product-lines/email_spec9_productSimulator.cil.c[31629,31642] [2021-10-21 20:26:38,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:26:38,887 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:26:38,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38 WrapperNode [2021-10-21 20:26:38,888 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:26:38,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:38,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:26:38,890 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:26:38,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:38,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:44,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:26:44,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:26:44,962 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:26:44,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:26:44,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:44,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:46,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:46,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:47,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:48,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:49,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:49,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:26:49,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:26:49,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:26:49,905 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:26:49,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (1/1) ... [2021-10-21 20:26:49,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:26:49,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:26:49,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:26:50,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:26:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-21 20:26:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:26:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:26:50,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:26:50,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:27:38,685 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:27:38,685 INFO L299 CfgBuilder]: Removed 35931 assume(true) statements. [2021-10-21 20:27:38,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:38 BoogieIcfgContainer [2021-10-21 20:27:38,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:27:38,724 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:27:38,724 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:27:38,727 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:27:38,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:38,729 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:26:37" (1/3) ... [2021-10-21 20:27:38,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@913260e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:27:38, skipping insertion in model container [2021-10-21 20:27:38,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:38,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:26:38" (2/3) ... [2021-10-21 20:27:38,731 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@913260e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:27:38, skipping insertion in model container [2021-10-21 20:27:38,731 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:27:38,731 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:38" (3/3) ... [2021-10-21 20:27:38,733 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_productSimulator.cil.c [2021-10-21 20:27:38,816 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:27:38,816 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:27:38,816 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:27:38,816 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:27:38,816 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:27:38,816 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:27:38,816 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:27:38,817 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:27:39,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:40,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-21 20:27:40,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:40,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:40,047 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:40,047 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:40,047 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:27:40,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:40,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 270 [2021-10-21 20:27:40,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:40,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:40,579 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:40,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:40,595 INFO L791 eck$LassoCheckResult]: Stem: 24277#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 21358#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 12203#L2138true havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 4582#L2111true select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 14173#L2111-1true select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 1785#L2111-2true select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 14956#L2111-3true select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 9178#L2111-4true select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 31705#L2111-5true select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 15395#L2111-6true select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 31522#L2111-7true select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 11295#L2130true havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 8663#L2146true assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 27579#L2149true assume !(0 != ~__SELECTED_FEATURE_Decrypt~0);valid_product_~tmp~20 := 0; 2838#L2149-1true valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 23811#L2206true main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 32908#L1530true assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.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_tmp2~0.base, setup_~__cil_tmp2~0.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; 10406#L1374true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 2760#L3475-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 729#L3481-5true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 287#L1412true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 20655#L3475-6true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 26188#L3481-11true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 4587#L1450true assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 5293#L3475-10true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 23618#L3481-17true setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 28802#L1517true havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 11032#L301-1true [2021-10-21 20:27:40,595 INFO L793 eck$LassoCheckResult]: Loop: 11032#L301-1true assume !false; 7655#L110true assume test_~splverifierCounter~0 < 4; 33227#L111true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 6277#L117true assume 0 == test_~op1~0;test_~tmp___9~0 := test_#t~nondet7;havoc test_#t~nondet7; 4465#L121true assume 0 != test_~tmp___9~0; 23126#L122true assume !(0 != ~__SELECTED_FEATURE_Keys~0); 30053#L122-1true test_~op1~0 := 1; 11032#L301-1true [2021-10-21 20:27:40,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:40,603 INFO L82 PathProgramCache]: Analyzing trace with hash -2102633898, now seen corresponding path program 1 times [2021-10-21 20:27:40,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:40,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626982339] [2021-10-21 20:27:40,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:40,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:40,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:41,090 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 20:27:41,091 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:41,092 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626982339] [2021-10-21 20:27:41,093 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626982339] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:41,094 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:41,095 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:27:41,097 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702903632] [2021-10-21 20:27:41,112 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:41,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:41,118 INFO L82 PathProgramCache]: Analyzing trace with hash 569592791, now seen corresponding path program 1 times [2021-10-21 20:27:41,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:41,119 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35163703] [2021-10-21 20:27:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:41,120 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:41,136 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:41,191 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:41,276 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:41,277 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:41,277 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:41,277 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:41,278 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:41,278 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:41,278 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:41,278 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:41,278 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-10-21 20:27:41,279 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:41,279 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:41,304 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 20:27:41,314 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 20:27:41,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:27:41,324 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 20:27:41,411 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:41,412 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:41,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:41,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:41,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:41,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:41,432 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:41,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:27:41,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:41,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:41,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:41,505 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:41,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:27:41,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:41,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:41,820 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:41,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:41,851 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:41,851 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:41,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:41,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:41,852 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:41,852 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:41,852 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:41,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:41,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration1_Loop [2021-10-21 20:27:41,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:41,853 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:41,854 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 20:27:41,865 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 20:27:41,872 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 20:27:41,875 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 20:27:41,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:41,957 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:41,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:41,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:41,964 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:41,970 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 20:27:41,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:41,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:41,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:41,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:41,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:41,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:41,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:41,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:27:42,003 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:42,008 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:27:42,009 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:27:42,010 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:42,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:42,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:42,018 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:42,018 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:27:42,019 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:42,019 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op1~0) = -2*ULTIMATE.start_test_~op1~0 + 1 Supporting invariants [] [2021-10-21 20:27:42,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:27:42,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:42,064 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:27:42,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:42,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:42,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:42,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:42,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:42,616 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 20:27:42,646 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 20:27:42,687 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:44,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:48,746 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 34772 states, 34771 states have (on average 1.6076327974461477) internal successors, (55899), 34771 states have internal predecessors, (55899), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 173231 states and 278304 transitions. Complement of second has 7 states. [2021-10-21 20:27:48,747 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 20:27:48,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 166884 transitions. [2021-10-21 20:27:49,028 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 7 letters. [2021-10-21 20:27:49,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:49,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 34 letters. Loop has 7 letters. [2021-10-21 20:27:49,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:49,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 166884 transitions. Stem has 27 letters. Loop has 14 letters. [2021-10-21 20:27:49,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:49,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 173231 states and 278304 transitions. [2021-10-21 20:27:50,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 435 [2021-10-21 20:27:50,604 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 173231 states to 990 states and 1812 transitions. [2021-10-21 20:27:50,605 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 501 [2021-10-21 20:27:50,607 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 502 [2021-10-21 20:27:50,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 990 states and 1812 transitions. [2021-10-21 20:27:50,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:50,609 INFO L681 BuchiCegarLoop]: Abstraction has 990 states and 1812 transitions. [2021-10-21 20:27:50,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states and 1812 transitions. [2021-10-21 20:27:50,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 555. [2021-10-21 20:27:50,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.8216216216216217) internal successors, (1011), 554 states have internal predecessors, (1011), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:50,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1011 transitions. [2021-10-21 20:27:50,700 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1011 transitions. [2021-10-21 20:27:50,701 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:50,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:27:50,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:27:50,707 INFO L87 Difference]: Start difference. First operand 555 states and 1011 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:50,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:50,811 INFO L93 Difference]: Finished difference Result 558 states and 1013 transitions. [2021-10-21 20:27:50,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:27:50,812 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 558 states and 1013 transitions. [2021-10-21 20:27:50,817 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-21 20:27:50,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 558 states to 555 states and 1004 transitions. [2021-10-21 20:27:50,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 284 [2021-10-21 20:27:50,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 284 [2021-10-21 20:27:50,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 555 states and 1004 transitions. [2021-10-21 20:27:50,836 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:50,836 INFO L681 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:27:50,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states and 1004 transitions. [2021-10-21 20:27:50,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 555. [2021-10-21 20:27:50,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 555 states have (on average 1.809009009009009) internal successors, (1004), 554 states have internal predecessors, (1004), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:50,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 1004 transitions. [2021-10-21 20:27:50,861 INFO L704 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:27:50,861 INFO L587 BuchiCegarLoop]: Abstraction has 555 states and 1004 transitions. [2021-10-21 20:27:50,861 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:27:50,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 555 states and 1004 transitions. [2021-10-21 20:27:50,863 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 218 [2021-10-21 20:27:50,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:50,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:50,867 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:50,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:50,868 INFO L791 eck$LassoCheckResult]: Stem: 209804#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 209754#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 209755#L2138 havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209748#L2111 select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209519#L2111-1 select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209520#L2111-2 select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209597#L2111-3 select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209753#L2111-4 select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209360#L2111-5 select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209361#L2111-6 select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 209635#L2111-7 select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 209636#L2130 havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 209711#L2146 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209407#L2150 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 209721#L2155 assume 0 == ~__SELECTED_FEATURE_Encrypt~0; 209722#L2160 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209537#L2165 assume 0 == ~__SELECTED_FEATURE_Verify~0; 209435#L2170 assume 0 == ~__SELECTED_FEATURE_Sign~0; 209436#L2175 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~20 := 1; 209414#L2149-1 valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 209415#L2206 main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 209562#L1530 assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.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_tmp2~0.base, setup_~__cil_tmp2~0.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; 209607#L1374 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209803#L3475-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209328#L3481-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 209329#L1412 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209468#L3475-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209433#L3481-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 209770#L1450 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 209541#L3475-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 209259#L3481-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 209701#L1517 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 209702#L301-1 assume !false; 209552#L110 [2021-10-21 20:27:50,869 INFO L793 eck$LassoCheckResult]: Loop: 209552#L110 assume test_~splverifierCounter~0 < 4; 209553#L111 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 209266#L117 assume !(0 == test_~op1~0); 209267#L134 assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet8;havoc test_#t~nondet8; 209400#L139 assume 0 != test_~tmp___8~0; 209402#L140 assume !(0 != ~__SELECTED_FEATURE_AutoResponder~0); 209511#L140-1 test_~op2~0 := 1; 209289#L301-1 assume !false; 209552#L110 [2021-10-21 20:27:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:50,870 INFO L82 PathProgramCache]: Analyzing trace with hash 507241003, now seen corresponding path program 1 times [2021-10-21 20:27:50,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:50,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218064234] [2021-10-21 20:27:50,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:50,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:51,055 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 20:27:51,056 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:51,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218064234] [2021-10-21 20:27:51,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218064234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:51,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:51,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:51,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304353112] [2021-10-21 20:27:51,059 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:51,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:51,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1422577527, now seen corresponding path program 1 times [2021-10-21 20:27:51,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:51,063 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136282131] [2021-10-21 20:27:51,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:51,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:51,076 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:51,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:51,166 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:51,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:51,167 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:51,167 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:51,167 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:51,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:51,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:51,168 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration2_Loop [2021-10-21 20:27:51,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:51,168 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:51,170 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 20:27:51,178 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 20:27:51,183 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 20:27:51,190 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 20:27:51,197 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 20:27:51,303 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:51,303 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:51,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:51,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:51,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:51,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:51,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:27:51,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:51,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:51,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:51,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:27:51,404 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:51,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:51,418 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:51,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:51,451 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:51,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:51,452 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:51,452 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:51,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:51,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:51,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:51,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration2_Loop [2021-10-21 20:27:51,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:51,452 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:51,453 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 20:27:51,459 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 20:27:51,461 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 20:27:51,464 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 20:27:51,469 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 20:27:51,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:51,552 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:51,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:51,553 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:51,560 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 20:27:51,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:51,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:51,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:51,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:51,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:51,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:27:51,576 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:51,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:51,593 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:51,598 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:27:51,598 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:27:51,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:51,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:51,600 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:51,602 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:51,602 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:27:51,602 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:51,602 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 20:27:51,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:27:51,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:51,642 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:27:51,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:51,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:51,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:52,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:52,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:52,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:52,091 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 20:27:52,092 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 20:27:52,092 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:52,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 555 states and 1004 transitions. cyclomatic complexity: 451. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2006 states and 3673 transitions. Complement of second has 6 states. [2021-10-21 20:27:52,238 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 20:27:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1089 transitions. [2021-10-21 20:27:52,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 8 letters. [2021-10-21 20:27:52,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:52,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 41 letters. Loop has 8 letters. [2021-10-21 20:27:52,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:52,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 1089 transitions. Stem has 33 letters. Loop has 16 letters. [2021-10-21 20:27:52,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:52,242 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2006 states and 3673 transitions. [2021-10-21 20:27:52,251 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 425 [2021-10-21 20:27:52,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2006 states to 1996 states and 3655 transitions. [2021-10-21 20:27:52,267 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 494 [2021-10-21 20:27:52,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 496 [2021-10-21 20:27:52,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1996 states and 3655 transitions. [2021-10-21 20:27:52,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:52,268 INFO L681 BuchiCegarLoop]: Abstraction has 1996 states and 3655 transitions. [2021-10-21 20:27:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1996 states and 3655 transitions. [2021-10-21 20:27:52,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1996 to 1039. [2021-10-21 20:27:52,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8229066410009624) internal successors, (1894), 1038 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:52,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1894 transitions. [2021-10-21 20:27:52,300 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1894 transitions. [2021-10-21 20:27:52,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:52,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:52,301 INFO L87 Difference]: Start difference. First operand 1039 states and 1894 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:52,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:52,875 INFO L93 Difference]: Finished difference Result 1039 states and 1892 transitions. [2021-10-21 20:27:52,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:27:52,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1039 states and 1892 transitions. [2021-10-21 20:27:52,879 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-21 20:27:52,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-21 20:27:52,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2021-10-21 20:27:52,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2021-10-21 20:27:52,889 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1039 states and 1892 transitions. [2021-10-21 20:27:52,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:27:52,889 INFO L681 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:27:52,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states and 1892 transitions. [2021-10-21 20:27:52,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2021-10-21 20:27:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 1039 states have (on average 1.8209817131857555) internal successors, (1892), 1038 states have internal predecessors, (1892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1892 transitions. [2021-10-21 20:27:52,912 INFO L704 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:27:52,912 INFO L587 BuchiCegarLoop]: Abstraction has 1039 states and 1892 transitions. [2021-10-21 20:27:52,912 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:27:52,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1039 states and 1892 transitions. [2021-10-21 20:27:52,915 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 213 [2021-10-21 20:27:52,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:27:52,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:27:52,917 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:52,917 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:27:52,918 INFO L791 eck$LassoCheckResult]: Stem: 214604#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(35);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(10);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(34);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(16);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(20);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(22);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(44);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(44);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(11);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(19);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string74.base, #t~string74.offset, 1);call write~init~int(100, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(10, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string77.base, #t~string77.offset, 1);call write~init~int(100, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(10, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 3 + #t~string77.offset, 1);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(30);call #t~string103.base, #t~string103.offset := #Ultimate.allocOnStack(9);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(21);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(30);call #t~string106.base, #t~string106.offset := #Ultimate.allocOnStack(9);call #t~string107.base, #t~string107.offset := #Ultimate.allocOnStack(21);call #t~string111.base, #t~string111.offset := #Ultimate.allocOnStack(30);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(9);call #t~string113.base, #t~string113.offset := #Ultimate.allocOnStack(25);call #t~string114.base, #t~string114.offset := #Ultimate.allocOnStack(30);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(9);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(25);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string122.base, #t~string122.offset := #Ultimate.allocOnStack(17);call #t~string124.base, #t~string124.offset := #Ultimate.allocOnStack(13);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(17);call #t~string139.base, #t~string139.offset := #Ultimate.allocOnStack(10);call #t~string142.base, #t~string142.offset := #Ultimate.allocOnStack(12);call #t~string145.base, #t~string145.offset := #Ultimate.allocOnStack(10);call #t~string148.base, #t~string148.offset := #Ultimate.allocOnStack(18);call #t~string151.base, #t~string151.offset := #Ultimate.allocOnStack(16);call #t~string154.base, #t~string154.offset := #Ultimate.allocOnStack(21);call #t~string157.base, #t~string157.offset := #Ultimate.allocOnStack(13);call #t~string160.base, #t~string160.offset := #Ultimate.allocOnStack(16);call #t~string163.base, #t~string163.offset := #Ultimate.allocOnStack(25);call #t~string169.base, #t~string169.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string169.base, #t~string169.offset, 1);call write~init~int(115, #t~string169.base, 1 + #t~string169.offset, 1);call write~init~int(10, #t~string169.base, 2 + #t~string169.offset, 1);call write~init~int(0, #t~string169.base, 3 + #t~string169.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~in_encrypted~0 := 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 214548#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~16, main_~tmp~14;havoc main_~retValue_acc~16;havoc main_~tmp~14;~__GUIDSL_ROOT_PRODUCTION~0 := 1; 214549#L2138 havoc select_features_#t~ret130, select_features_#t~ret131, select_features_#t~ret132, select_features_#t~ret133, select_features_#t~ret134, select_features_#t~ret135, select_features_#t~ret136, select_features_#t~ret137;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214542#L2111 select_features_#t~ret130 := select_one_#res;~__SELECTED_FEATURE_Base~0 := select_features_#t~ret130;havoc select_features_#t~ret130;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214298#L2111-1 select_features_#t~ret131 := select_one_#res;~__SELECTED_FEATURE_Keys~0 := select_features_#t~ret131;havoc select_features_#t~ret131;~__SELECTED_FEATURE_Encrypt~0 := 1;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214299#L2111-2 select_features_#t~ret132 := select_one_#res;~__SELECTED_FEATURE_AutoResponder~0 := select_features_#t~ret132;havoc select_features_#t~ret132;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214373#L2111-3 select_features_#t~ret133 := select_one_#res;~__SELECTED_FEATURE_AddressBook~0 := select_features_#t~ret133;havoc select_features_#t~ret133;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214547#L2111-4 select_features_#t~ret134 := select_one_#res;~__SELECTED_FEATURE_Sign~0 := select_features_#t~ret134;havoc select_features_#t~ret134;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214147#L2111-5 select_features_#t~ret135 := select_one_#res;~__SELECTED_FEATURE_Forward~0 := select_features_#t~ret135;havoc select_features_#t~ret135;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214148#L2111-6 select_features_#t~ret136 := select_one_#res;~__SELECTED_FEATURE_Verify~0 := select_features_#t~ret136;havoc select_features_#t~ret136;havoc select_one_#res;havoc select_one_#t~nondet129, select_one_~retValue_acc~20, select_one_~choice~0;havoc select_one_~retValue_acc~20;select_one_~choice~0 := select_one_#t~nondet129;havoc select_one_#t~nondet129;select_one_~retValue_acc~20 := select_one_~choice~0;select_one_#res := select_one_~retValue_acc~20; 214419#L2111-7 select_features_#t~ret137 := select_one_#res;~__SELECTED_FEATURE_Decrypt~0 := select_features_#t~ret137;havoc select_features_#t~ret137; 214420#L2130 havoc valid_product_#res;havoc valid_product_~retValue_acc~21, valid_product_~tmp~20;havoc valid_product_~retValue_acc~21;havoc valid_product_~tmp~20; 214500#L2146 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214190#L2149 assume 0 != ~__SELECTED_FEATURE_Decrypt~0; 214191#L2150 assume 0 == ~__SELECTED_FEATURE_Decrypt~0; 214510#L2155 assume !(0 == ~__SELECTED_FEATURE_Encrypt~0); 214511#L2159 assume 0 != ~__SELECTED_FEATURE_Keys~0; 214514#L2160 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214321#L2165 assume 0 == ~__SELECTED_FEATURE_Verify~0; 214220#L2170 assume 0 == ~__SELECTED_FEATURE_Sign~0; 214221#L2175 assume 0 != ~__SELECTED_FEATURE_Base~0;valid_product_~tmp~20 := 1; 214199#L2149-1 valid_product_~retValue_acc~21 := valid_product_~tmp~20;valid_product_#res := valid_product_~retValue_acc~21; 214200#L2206 main_#t~ret69 := valid_product_#res;main_~tmp~14 := main_#t~ret69;havoc main_#t~ret69; 214346#L1530 assume 0 != main_~tmp~14;havoc setup_#t~nondet64, setup_#t~nondet66, setup_#t~nondet68, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.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_tmp2~0.base, setup_~__cil_tmp2~0.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; 214391#L1374 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_bob__before__Keys_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__before__Keys_~bob___0;setup_bob__before__Keys_~bob___0 := setup_bob__before__Keys_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__before__Keys_~bob___0, setup_bob__before__Keys_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214598#L3475-2 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214115#L3481-5 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string63.base, #t~string63.offset;havoc setup_#t~nondet64;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0; 214116#L1412 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_rjh__before__Keys_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__before__Keys_~rjh___0;setup_rjh__before__Keys_~rjh___0 := setup_rjh__before__Keys_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__before__Keys_~rjh___0, setup_rjh__before__Keys_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214250#L3475-6 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214211#L3481-11 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string65.base, #t~string65.offset;havoc setup_#t~nondet66;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0; 214568#L1450 assume !(0 != ~__SELECTED_FEATURE_Keys~0);setup_chuck__before__Keys_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__before__Keys_~chuck___0;setup_chuck__before__Keys_~chuck___0 := setup_chuck__before__Keys_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__before__Keys_~chuck___0, setup_chuck__before__Keys_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 214325#L3475-10 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 214045#L3481-17 setup_~__cil_tmp3~2.base, setup_~__cil_tmp3~2.offset := #t~string67.base, #t~string67.offset;havoc setup_#t~nondet68; 214488#L1517 havoc test_#t~nondet7, test_#t~nondet8, test_#t~nondet9, test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, 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~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 214489#L301-1 assume !false; 214668#L110 assume test_~splverifierCounter~0 < 4; 214515#L111 [2021-10-21 20:27:52,918 INFO L793 eck$LassoCheckResult]: Loop: 214515#L111 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 214052#L117 assume !(0 == test_~op1~0); 214053#L134 assume !(0 == test_~op2~0); 214187#L152 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet9;havoc test_#t~nondet9; 214062#L157 assume 0 != test_~tmp___7~0; 214063#L158 assume !(0 != ~__SELECTED_FEATURE_Keys~0); 214203#L158-1 test_~op3~0 := 1; 214069#L301-1 assume !false; 214394#L110 assume test_~splverifierCounter~0 < 4; 214515#L111 [2021-10-21 20:27:52,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:52,919 INFO L82 PathProgramCache]: Analyzing trace with hash -307546040, now seen corresponding path program 1 times [2021-10-21 20:27:52,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:52,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825221993] [2021-10-21 20:27:52,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:52,920 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:52,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:27:52,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:27:52,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825221993] [2021-10-21 20:27:52,994 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825221993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:27:52,994 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:27:52,994 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:27:52,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125051201] [2021-10-21 20:27:52,995 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:27:52,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:52,995 INFO L82 PathProgramCache]: Analyzing trace with hash -986478044, now seen corresponding path program 1 times [2021-10-21 20:27:52,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:27:52,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127482822] [2021-10-21 20:27:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:27:52,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:27:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:53,004 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:27:53,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:27:53,016 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:27:53,089 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:53,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:53,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:53,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:53,089 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 20:27:53,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:53,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:53,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration3_Loop [2021-10-21 20:27:53,090 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:53,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:53,092 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 20:27:53,095 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 20:27:53,102 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 20:27:53,106 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 20:27:53,112 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 20:27:53,116 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 20:27:53,205 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:53,205 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 20:27:53,205 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:53,208 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:53,216 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:53,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:53,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:27:53,248 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:53,248 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~__SELECTED_FEATURE_Keys~0=0} Honda state: {~__SELECTED_FEATURE_Keys~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:53,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:53,289 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:53,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:53,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:53,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:27:53,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:53,647 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Honda state: {ULTIMATE.start_test_#t~nondet9=5, ULTIMATE.start_test_~tmp___7~0=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:53,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:53,704 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:53,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:53,716 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:53,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:27:53,739 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 20:27:53,740 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0=4} Honda state: {ULTIMATE.start_test_~op1~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 20:27:53,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:53,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:53,782 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 20:27:53,782 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:53,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:27:53,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:53,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:53,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 20:27:53,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 20:27:53,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:27:53,967 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 20:27:53,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:53,970 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:27:53,970 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:27:53,970 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:27:53,970 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:27:53,970 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:27:53,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:53,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:27:53,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:27:53,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_productSimulator.cil.c_Iteration3_Loop [2021-10-21 20:27:53,971 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:27:53,971 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:27:53,972 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 20:27:53,981 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 20:27:53,983 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 20:27:53,986 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 20:27:53,993 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 20:27:53,997 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 20:27:54,092 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:27:54,093 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:27:54,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:54,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:54,100 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:54,105 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 20:27:54,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:54,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:54,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:54,115 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:27:54,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:54,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:54,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:54,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:27:54,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:54,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:54,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:54,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:54,178 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:54,184 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:27:54,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:54,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:54,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:54,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:54,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:54,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:54,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:27:54,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:54,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:54,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:54,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:54,246 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:54,253 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 20:27:54,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:54,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:54,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:54,262 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-21 20:27:54,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:54,263 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-21 20:27:54,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:54,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:27:54,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:27:54,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:54,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:54,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:54,311 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:54,317 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 20:27:54,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:27:54,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:27:54,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:27:54,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:27:54,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:27:54,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:27:54,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:27:54,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:27:54,339 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:27:54,352 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-21 20:27:54,352 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-21 20:27:54,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:27:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:27:54,353 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:27:54,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:27:54,360 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 20:27:54,360 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:27:54,360 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 5 Supporting invariants [] [2021-10-21 20:27:54,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:27:54,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:54,396 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 20:27:54,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:27:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:54,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:27:54,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:27:54,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:27:54,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:27:54,798 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 20:27:54,798 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 20:27:54,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857 Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:54,894 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 1039 states and 1892 transitions. cyclomatic complexity: 857. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2228 states and 4083 transitions. Complement of second has 4 states. [2021-10-21 20:27:54,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:27:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:54,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 599 transitions. [2021-10-21 20:27:54,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 9 letters. [2021-10-21 20:27:54,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:54,896 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 45 letters. Loop has 9 letters. [2021-10-21 20:27:54,897 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:54,897 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 599 transitions. Stem has 36 letters. Loop has 18 letters. [2021-10-21 20:27:54,898 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:27:54,898 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2228 states and 4083 transitions. [2021-10-21 20:27:54,908 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:54,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2228 states to 0 states and 0 transitions. [2021-10-21 20:27:54,909 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:27:54,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:27:54,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:27:54,909 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:54,910 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:54,910 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:54,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:27:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:27:54,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:27:54,911 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:27:54,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:27:54,911 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-21 20:27:54,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 20:27:54,911 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-21 20:27:54,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:54,912 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 20:27:54,912 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:27:54,912 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:27:54,912 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:27:54,912 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:27:54,912 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:54,913 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:54,913 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:27:54,913 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:27:54,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:27:54,913 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:27:54,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:27:54,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:27:54 BoogieIcfgContainer [2021-10-21 20:27:54,919 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:27:54,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:27:54,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:27:54,920 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:27:54,921 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:27:38" (3/4) ... [2021-10-21 20:27:54,924 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:27:54,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:27:54,926 INFO L168 Benchmark]: Toolchain (without parser) took 77293.32 ms. Allocated memory was 86.0 MB in the beginning and 10.4 GB in the end (delta: 10.3 GB). Free memory was 44.4 MB in the beginning and 8.9 GB in the end (delta: -8.9 GB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,927 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:54,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1252.85 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 44.2 MB in the beginning and 71.6 MB in the end (delta: -27.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 6071.25 ms. Allocated memory was 125.8 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 71.6 MB in the beginning and 2.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 402.0 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,929 INFO L168 Benchmark]: Boogie Preprocessor took 4940.04 ms. Allocated memory is still 3.2 GB. Free memory was 2.7 GB in the beginning and 2.5 GB in the end (delta: 225.4 MB). Peak memory consumption was 250.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,930 INFO L168 Benchmark]: RCFGBuilder took 48819.30 ms. Allocated memory was 3.2 GB in the beginning and 10.4 GB in the end (delta: 7.3 GB). Free memory was 2.5 GB in the beginning and 9.5 GB in the end (delta: -7.0 GB). Peak memory consumption was 770.7 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,930 INFO L168 Benchmark]: BuchiAutomizer took 16195.80 ms. Allocated memory is still 10.4 GB. Free memory was 9.5 GB in the beginning and 8.9 GB in the end (delta: 566.2 MB). Peak memory consumption was 565.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:27:54,931 INFO L168 Benchmark]: Witness Printer took 4.36 ms. Allocated memory is still 10.4 GB. Free memory is still 8.9 GB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:27:54,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 86.0 MB. Free memory is still 63.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1252.85 ms. Allocated memory was 86.0 MB in the beginning and 125.8 MB in the end (delta: 39.8 MB). Free memory was 44.2 MB in the beginning and 71.6 MB in the end (delta: -27.3 MB). Peak memory consumption was 15.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 6071.25 ms. Allocated memory was 125.8 MB in the beginning and 3.2 GB in the end (delta: 3.0 GB). Free memory was 71.6 MB in the beginning and 2.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 402.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 4940.04 ms. Allocated memory is still 3.2 GB. Free memory was 2.7 GB in the beginning and 2.5 GB in the end (delta: 225.4 MB). Peak memory consumption was 250.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 48819.30 ms. Allocated memory was 3.2 GB in the beginning and 10.4 GB in the end (delta: 7.3 GB). Free memory was 2.5 GB in the beginning and 9.5 GB in the end (delta: -7.0 GB). Peak memory consumption was 770.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 16195.80 ms. Allocated memory is still 10.4 GB. Free memory was 9.5 GB in the beginning and 8.9 GB in the end (delta: 566.2 MB). Peak memory consumption was 565.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.36 ms. Allocated memory is still 10.4 GB. Free memory is still 8.9 GB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (3 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op1 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op2 + 1 and consists of 4 locations. One deterministic module has affine ranking function 5 + -2 * splverifierCounter and consists of 3 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 16.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.5s. Büchi inclusion checks took 8.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 150.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 1392 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 1.6s Buchi closure took 0.0s. Biggest automaton had 1039 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 114400 SDtfs, 113898 SDslu, 170830 SDs, 0 SdLazy, 37 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 571.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT3 lasso0 LassoPreprocessingBenchmarks: Lassos: inital30 mio100 ax100 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf94 smp100 dnf150 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:27:54,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:27:55,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0e4003c-f21a-470c-be9f-346f613f1471/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...