./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD --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 2fde44ff6f2aac911c03318478d3361889c0f9ce519411733d9129672caa5fa0 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:36:41,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:36:41,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:36:41,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:36:41,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:36:41,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:36:41,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:36:41,653 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:36:41,655 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:36:41,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:36:41,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:36:41,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:36:41,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:36:41,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:36:41,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:36:41,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:36:41,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:36:41,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:36:41,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:36:41,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:36:41,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:36:41,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:36:41,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:36:41,704 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:36:41,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:36:41,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:36:41,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:36:41,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:36:41,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:36:41,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:36:41,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:36:41,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:36:41,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:36:41,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:36:41,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:36:41,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:36:41,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:36:41,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:36:41,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:36:41,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:36:41,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:36:41,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:36:41,803 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:36:41,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:36:41,806 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:36:41,807 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:36:41,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:36:41,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:36:41,810 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:36:41,810 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:36:41,810 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:36:41,811 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:36:41,812 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:36:41,812 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:36:41,813 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:36:41,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:36:41,813 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:36:41,814 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:36:41,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:36:41,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:36:41,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:36:41,815 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:36:41,815 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:36:41,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:36:41,816 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:36:41,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:36:41,816 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:36:41,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:36:41,819 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:36:41,819 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:36:41,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:36:41,820 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:36:41,820 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:36:41,821 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:36:41,823 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:36:41,823 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_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fde44ff6f2aac911c03318478d3361889c0f9ce519411733d9129672caa5fa0 [2021-10-28 23:36:42,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:36:42,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:36:42,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:36:42,212 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:36:42,213 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:36:42,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2021-10-28 23:36:42,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/data/614c60f74/0152f96cc86b4993b45abc1c7bb5cd3b/FLAGfaef6e2aa [2021-10-28 23:36:43,196 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:36:43,197 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c [2021-10-28 23:36:43,225 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/data/614c60f74/0152f96cc86b4993b45abc1c7bb5cd3b/FLAGfaef6e2aa [2021-10-28 23:36:43,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/data/614c60f74/0152f96cc86b4993b45abc1c7bb5cd3b [2021-10-28 23:36:43,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:36:43,341 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:36:43,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:43,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:36:43,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:36:43,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:43" (1/1) ... [2021-10-28 23:36:43,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ae44c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:43, skipping insertion in model container [2021-10-28 23:36:43,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:43" (1/1) ... [2021-10-28 23:36:43,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:36:43,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:36:43,921 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c[16810,16823] [2021-10-28 23:36:44,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:44,225 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:36:44,278 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_cc9f5fcf-48ef-449c-acda-6ec5923be236/sv-benchmarks/c/product-lines/email_spec7_product13.cil.c[16810,16823] [2021-10-28 23:36:44,352 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:44,396 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:36:44,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44 WrapperNode [2021-10-28 23:36:44,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:44,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:44,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:36:44,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:36:44,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:44,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:36:44,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:36:44,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:36:44,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:36:44,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:36:44,711 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:36:44,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:36:44,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,735 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:44,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:44,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:44,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:36:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 23:36:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:36:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:36:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:36:44,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:36:47,045 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:36:47,045 INFO L299 CfgBuilder]: Removed 231 assume(true) statements. [2021-10-28 23:36:47,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:47 BoogieIcfgContainer [2021-10-28 23:36:47,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:36:47,051 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:36:47,052 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:36:47,056 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:36:47,058 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:47,058 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:36:43" (1/3) ... [2021-10-28 23:36:47,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25aadb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:47, skipping insertion in model container [2021-10-28 23:36:47,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:47,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (2/3) ... [2021-10-28 23:36:47,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25aadb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:47, skipping insertion in model container [2021-10-28 23:36:47,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:47,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:47" (3/3) ... [2021-10-28 23:36:47,063 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec7_product13.cil.c [2021-10-28 23:36:47,132 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:36:47,132 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:36:47,132 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:36:47,133 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:36:47,133 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:36:47,133 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:36:47,133 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:36:47,133 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:36:47,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 367 states, 366 states have (on average 1.7622950819672132) internal successors, (645), 366 states have internal predecessors, (645), 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) [2021-10-28 23:36:47,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 23:36:47,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:47,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:47,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,279 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:36:47,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 367 states, 366 states have (on average 1.7622950819672132) internal successors, (645), 366 states have internal predecessors, (645), 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) [2021-10-28 23:36:47,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 23:36:47,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:47,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:47,294 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,295 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,302 INFO L791 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(19);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string30.base, #t~string30.offset, 1);call write~init~int(100, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(10, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(115, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(12);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(18);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(16);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~__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; 230#L-1true havoc main_#res;havoc main_#t~nondet21, main_#t~ret22, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet21;havoc main_#t~nondet21;havoc main_~tmp~2; 70#L769true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 38#L777true main_#t~ret22 := valid_product_#res;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 162#L248true assume 0 != main_~tmp~2;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 16#L2615true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 231#L2621-2true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 346#L2180true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 50#L2186-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 237#L2615-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 91#L2621-5true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 297#L2180-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 234#L2186-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 324#L2615-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 30#L2621-8true setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 112#L2180-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 12#L2186-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 334#L235true havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~18, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 67#L2814-1true [2021-10-28 23:36:47,302 INFO L793 eck$LassoCheckResult]: Loop: 67#L2814-1true assume !false; 163#L2672true assume test_~splverifierCounter~0 < 4; 266#L2673true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 164#L2679true assume !(0 == test_~op1~0); 182#L2692true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet116;havoc test_#t~nondet116; 232#L2697true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 67#L2814-1true [2021-10-28 23:36:47,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 23:36:47,322 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,322 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922239434] [2021-10-28 23:36:47,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:47,834 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:47,835 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922239434] [2021-10-28 23:36:47,836 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922239434] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:47,836 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:47,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:36:47,838 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568096376] [2021-10-28 23:36:47,844 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:36:47,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,845 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 23:36:47,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229671327] [2021-10-28 23:36:47,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,847 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,859 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:47,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,901 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:47,974 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:47,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:47,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:47,975 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:47,975 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:36:47,975 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:47,975 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:47,975 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:47,976 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration1_Loop [2021-10-28 23:36:47,976 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:47,976 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:47,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,115 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:48,116 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:36:48,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:36:48,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:36:48,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:36:48,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 23:36:48,191 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:36:48,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:36:48,202 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:36:48,231 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:36:48,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,260 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:48,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:48,260 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:48,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:48,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:48,261 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,261 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:48,261 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:48,261 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration1_Loop [2021-10-28 23:36:48,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:48,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:48,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,379 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:48,386 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:48,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,395 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,402 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 [2021-10-28 23:36:48,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,420 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,422 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:36:48,438 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:48,459 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:36:48,459 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:36:48,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,467 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,499 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:48,499 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:36:48,500 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:48,500 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-28 23:36:48,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:36:48,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,549 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:36:48,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:48,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 608 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:48,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:49,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:36:49,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:49,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:49,183 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 [2021-10-28 23:36:49,186 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 367 states, 366 states have (on average 1.7622950819672132) internal successors, (645), 366 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:49,678 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 367 states, 366 states have (on average 1.7622950819672132) internal successors, (645), 366 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 1512 states and 2644 transitions. Complement of second has 7 states. [2021-10-28 23:36:49,679 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 [2021-10-28 23:36:49,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:49,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1456 transitions. [2021-10-28 23:36:49,688 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 23:36:49,689 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:49,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 23:36:49,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:49,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1456 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 23:36:49,691 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:49,692 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1512 states and 2644 transitions. [2021-10-28 23:36:49,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2021-10-28 23:36:49,753 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1512 states to 863 states and 1568 transitions. [2021-10-28 23:36:49,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2021-10-28 23:36:49,758 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2021-10-28 23:36:49,759 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2021-10-28 23:36:49,760 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:49,760 INFO L681 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2021-10-28 23:36:49,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2021-10-28 23:36:49,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2021-10-28 23:36:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 448 states have (on average 1.8102678571428572) internal successors, (811), 447 states have internal predecessors, (811), 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) [2021-10-28 23:36:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2021-10-28 23:36:49,862 INFO L704 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2021-10-28 23:36:49,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:49,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:36:49,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:36:49,869 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:49,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:49,937 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2021-10-28 23:36:49,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:36:49,939 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2021-10-28 23:36:49,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2021-10-28 23:36:49,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2021-10-28 23:36:49,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2021-10-28 23:36:49,964 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2021-10-28 23:36:49,965 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2021-10-28 23:36:49,965 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:36:49,965 INFO L681 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2021-10-28 23:36:49,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2021-10-28 23:36:49,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2021-10-28 23:36:49,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 447 states have (on average 1.8053691275167785) internal successors, (807), 446 states have internal predecessors, (807), 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) [2021-10-28 23:36:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2021-10-28 23:36:49,983 INFO L704 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 23:36:49,983 INFO L587 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-28 23:36:49,984 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:36:49,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2021-10-28 23:36:49,988 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-28 23:36:49,988 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:49,988 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:49,990 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:49,990 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:49,991 INFO L791 eck$LassoCheckResult]: Stem: 3746#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(44);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(44);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(9);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(9);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(11);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(19);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string27.base, #t~string27.offset, 1);call write~init~int(100, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(10, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string30.base, #t~string30.offset, 1);call write~init~int(100, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(10, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string73.base, #t~string73.offset, 1);call write~init~int(115, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(10, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(10);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(12);call #t~string82.base, #t~string82.offset := #Ultimate.allocOnStack(10);call #t~string85.base, #t~string85.offset := #Ultimate.allocOnStack(18);call #t~string88.base, #t~string88.offset := #Ultimate.allocOnStack(13);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(16);call #t~string94.base, #t~string94.offset := #Ultimate.allocOnStack(25);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(10);call #t~string100.base, #t~string100.offset := #Ultimate.allocOnStack(16);call #t~string104.base, #t~string104.offset := #Ultimate.allocOnStack(20);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~__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; 3690#L-1 havoc main_#res;havoc main_#t~nondet21, main_#t~ret22, main_~retValue_acc~0, main_~tmp~2;main_~retValue_acc~0 := main_#t~nondet21;havoc main_#t~nondet21;havoc main_~tmp~2; 3481#L769 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 3389#L777 main_#t~ret22 := valid_product_#res;main_~tmp~2 := main_#t~ret22;havoc main_#t~ret22; 3390#L248 assume 0 != main_~tmp~2;havoc setup_#t~nondet16, setup_#t~nondet18, setup_#t~nondet20, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset;~bob~0 := 1;setup_bob_#in~bob___0 := ~bob~0;havoc setup_bob_~bob___0;setup_bob_~bob___0 := setup_bob_#in~bob___0;setup_bob__wrappee__Base_#in~bob___0 := setup_bob_~bob___0;havoc setup_bob__wrappee__Base_~bob___0;setup_bob__wrappee__Base_~bob___0 := setup_bob__wrappee__Base_#in~bob___0;setClientId_#in~handle, setClientId_#in~value := setup_bob__wrappee__Base_~bob___0, setup_bob__wrappee__Base_~bob___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3334#L2615 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3335#L2621-2 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_bob_~bob___0, 123;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3691#L2180 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3439#L2186-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string15.base, #t~string15.offset;havoc setup_#t~nondet16;~rjh~0 := 2;setup_rjh_#in~rjh___0 := ~rjh~0;havoc setup_rjh_~rjh___0;setup_rjh_~rjh___0 := setup_rjh_#in~rjh___0;setup_rjh__wrappee__Base_#in~rjh___0 := setup_rjh_~rjh___0;havoc setup_rjh__wrappee__Base_~rjh___0;setup_rjh__wrappee__Base_~rjh___0 := setup_rjh__wrappee__Base_#in~rjh___0;setClientId_#in~handle, setClientId_#in~value := setup_rjh__wrappee__Base_~rjh___0, setup_rjh__wrappee__Base_~rjh___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3440#L2615-2 assume !(1 == setClientId_~handle); 3459#L2618-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3460#L2621-5 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_rjh_~rjh___0, 456;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3518#L2180-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3501#L2186-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string17.base, #t~string17.offset;havoc setup_#t~nondet18;~chuck~0 := 3;setup_chuck_#in~chuck___0 := ~chuck~0;havoc setup_chuck_~chuck___0;setup_chuck_~chuck___0 := setup_chuck_#in~chuck___0;setup_chuck__wrappee__Base_#in~chuck___0 := setup_chuck_~chuck___0;havoc setup_chuck__wrappee__Base_~chuck___0;setup_chuck__wrappee__Base_~chuck___0 := setup_chuck__wrappee__Base_#in~chuck___0;setClientId_#in~handle, setClientId_#in~value := setup_chuck__wrappee__Base_~chuck___0, setup_chuck__wrappee__Base_~chuck___0;havoc setClientId_~handle, setClientId_~value;setClientId_~handle := setClientId_#in~handle;setClientId_~value := setClientId_#in~value; 3695#L2615-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3367#L2621-8 setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := setup_chuck_~chuck___0, 789;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3368#L2180-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3320#L2186-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string19.base, #t~string19.offset;havoc setup_#t~nondet20; 3321#L235 havoc test_#t~nondet115, test_#t~nondet116, test_#t~nondet117, test_#t~nondet118, test_#t~nondet119, test_#t~nondet120, test_#t~nondet121, test_#t~nondet122, test_#t~nondet123, test_#t~nondet124, test_#t~nondet125, 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~18, test_~tmp___0~5, test_~tmp___1~3, test_~tmp___2~2, test_~tmp___3~1, test_~tmp___4~1, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~18;havoc test_~tmp___0~5;havoc test_~tmp___1~3;havoc test_~tmp___2~2;havoc test_~tmp___3~1;havoc test_~tmp___4~1;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 3744#L2814-1 assume !false; 3478#L2672 [2021-10-28 23:36:49,991 INFO L793 eck$LassoCheckResult]: Loop: 3478#L2672 assume test_~splverifierCounter~0 < 4; 3622#L2673 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 3624#L2679 assume !(0 == test_~op1~0); 3626#L2692 assume !(0 == test_~op2~0); 3594#L2703 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet117;havoc test_#t~nondet117; 3391#L2708 assume 0 != test_~tmp___7~0;setClientPrivateKey_#in~handle, setClientPrivateKey_#in~value := ~rjh~0, 0;havoc setClientPrivateKey_~handle, setClientPrivateKey_~value;setClientPrivateKey_~handle := setClientPrivateKey_#in~handle;setClientPrivateKey_~value := setClientPrivateKey_#in~value; 3393#L2180-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3671#L2186-11 test_~op3~0 := 1; 3477#L2814-1 assume !false; 3478#L2672 [2021-10-28 23:36:49,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:49,992 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 23:36:49,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:49,992 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856668943] [2021-10-28 23:36:49,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:49,993 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:50,134 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:50,135 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856668943] [2021-10-28 23:36:50,135 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856668943] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:50,135 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:50,135 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:36:50,135 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038740618] [2021-10-28 23:36:50,136 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:36:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:50,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 23:36:50,137 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:50,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489420982] [2021-10-28 23:36:50,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:50,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:50,154 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:50,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:50,370 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:50,370 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:50,370 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:50,370 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:50,370 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:36:50,370 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,370 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:50,371 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:50,371 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration2_Loop [2021-10-28 23:36:50,371 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:50,371 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:50,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,416 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,568 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:50,569 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:36:50,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:50,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:50,591 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:36:50,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:36:50,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:36:50,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:50,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:50,655 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:50,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:36:50,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:36:50,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:36:50,746 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:36:50,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:50,754 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:50,755 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:50,755 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:50,755 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:50,755 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:50,755 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,755 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:50,755 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:50,756 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec7_product13.cil.c_Iteration2_Loop [2021-10-28 23:36:50,756 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:50,756 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:50,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,784 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:50,947 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:50,947 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:50,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:50,949 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:50,962 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 [2021-10-28 23:36:50,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:50,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:50,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:50,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:50,974 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:50,975 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:50,975 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:50,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:36:50,998 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:51,003 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:36:51,003 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:36:51,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:51,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:51,005 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:51,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:51,016 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:36:51,016 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:51,016 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 23:36:51,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:36:51,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:51,062 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:36:51,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:51,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:51,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:51,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:36:51,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:51,540 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 [2021-10-28 23:36:51,540 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:51,592 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 867 states and 1573 transitions. Complement of second has 6 states. [2021-10-28 23:36:51,593 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 [2021-10-28 23:36:51,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:51,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-10-28 23:36:51,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 23:36:51,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:51,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 23:36:51,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:51,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 23:36:51,604 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:51,605 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2021-10-28 23:36:51,616 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:51,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2021-10-28 23:36:51,617 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:36:51,617 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:36:51,617 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:36:51,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:51,618 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:51,618 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:51,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:51,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:36:51,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:36:51,619 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:51,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:51,620 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 23:36:51,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:36:51,620 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 23:36:51,620 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:51,621 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:36:51,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:36:51,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:36:51,621 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:36:51,621 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:51,621 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:51,622 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:51,622 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:51,622 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:36:51,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:51,622 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:51,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:36:51,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:36:51 BoogieIcfgContainer [2021-10-28 23:36:51,630 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:36:51,630 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:51,631 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:51,631 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:51,632 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:47" (3/4) ... [2021-10-28 23:36:51,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:36:51,635 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:51,639 INFO L168 Benchmark]: Toolchain (without parser) took 8294.76 ms. Allocated memory was 96.5 MB in the beginning and 163.6 MB in the end (delta: 67.1 MB). Free memory was 60.1 MB in the beginning and 58.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 69.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,639 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:51,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1053.92 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 59.8 MB in the beginning and 70.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,647 INFO L168 Benchmark]: Boogie Procedure Inliner took 203.44 ms. Allocated memory is still 119.5 MB. Free memory was 70.5 MB in the beginning and 62.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,648 INFO L168 Benchmark]: Boogie Preprocessor took 106.76 ms. Allocated memory is still 119.5 MB. Free memory was 62.6 MB in the beginning and 56.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,649 INFO L168 Benchmark]: RCFGBuilder took 2339.47 ms. Allocated memory is still 119.5 MB. Free memory was 56.9 MB in the beginning and 58.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,650 INFO L168 Benchmark]: BuchiAutomizer took 4578.66 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 57.3 MB in the beginning and 59.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:51,651 INFO L168 Benchmark]: Witness Printer took 5.16 ms. Allocated memory is still 163.6 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:51,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 96.5 MB. Free memory is still 53.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1053.92 ms. Allocated memory was 96.5 MB in the beginning and 119.5 MB in the end (delta: 23.1 MB). Free memory was 59.8 MB in the beginning and 70.5 MB in the end (delta: -10.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 203.44 ms. Allocated memory is still 119.5 MB. Free memory was 70.5 MB in the beginning and 62.6 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.76 ms. Allocated memory is still 119.5 MB. Free memory was 62.6 MB in the beginning and 56.9 MB in the end (delta: 5.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2339.47 ms. Allocated memory is still 119.5 MB. Free memory was 56.9 MB in the beginning and 58.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 34.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4578.66 ms. Allocated memory was 119.5 MB in the beginning and 163.6 MB in the end (delta: 44.0 MB). Free memory was 57.3 MB in the beginning and 59.5 MB in the end (delta: -2.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.16 ms. Allocated memory is still 163.6 MB. Free memory is still 58.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.3s. Construction of modules took 0.0s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 844 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 447 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 2472 SDtfs, 2059 SDslu, 2921 SDs, 0 SdLazy, 26 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT2 lasso0 LassoPreprocessingBenchmarks: Lassos: inital38 mio100 ax100 hnf100 lsp29 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf134 smp100 tf108 neg92 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 109ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:36:51,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:51,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc9f5fcf-48ef-449c-acda-6ec5923be236/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...