./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec3_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec3_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC --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 3b00be32d91a3b09e825c37eb9b391d548c187f1 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:33:08,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:33:08,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:33:08,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:33:08,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:33:08,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:33:08,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:33:08,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:33:08,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:33:08,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:33:08,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:33:08,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:33:08,578 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:33:08,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:33:08,583 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:33:08,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:33:08,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:33:08,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:33:08,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:33:08,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:33:08,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:33:08,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:33:08,609 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:33:08,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:33:08,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:33:08,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:33:08,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:33:08,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:33:08,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:33:08,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:33:08,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:33:08,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:33:08,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:33:08,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:33:08,632 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:33:08,632 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:33:08,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:33:08,633 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:33:08,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:33:08,635 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:33:08,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:33:08,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:33:08,683 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:33:08,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:33:08,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:33:08,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:33:08,694 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:33:08,694 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:33:08,694 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:33:08,695 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:33:08,695 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:33:08,695 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:33:08,696 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:33:08,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:33:08,697 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:33:08,697 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:33:08,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:33:08,698 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:33:08,698 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:33:08,698 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:33:08,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:33:08,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:33:08,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:33:08,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:33:08,700 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:33:08,700 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:33:08,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:33:08,701 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:33:08,701 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:33:08,701 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:33:08,702 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:33:08,703 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:33:08,705 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:33:08,705 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_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b00be32d91a3b09e825c37eb9b391d548c187f1 [2021-10-11 00:33:09,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:33:09,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:33:09,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:33:09,165 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:33:09,166 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:33:09,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/product-lines/email_spec3_product13.cil.c [2021-10-11 00:33:09,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/data/7e55aabb9/339ec8287c7e448a8fc906bf4d47bd00/FLAGbc523174a [2021-10-11 00:33:10,072 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:33:10,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/sv-benchmarks/c/product-lines/email_spec3_product13.cil.c [2021-10-11 00:33:10,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/data/7e55aabb9/339ec8287c7e448a8fc906bf4d47bd00/FLAGbc523174a [2021-10-11 00:33:10,219 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/data/7e55aabb9/339ec8287c7e448a8fc906bf4d47bd00 [2021-10-11 00:33:10,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:33:10,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:33:10,229 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:10,229 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:33:10,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:33:10,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30455789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:10, skipping insertion in model container [2021-10-11 00:33:10,237 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:33:10" (1/1) ... [2021-10-11 00:33:10,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:33:10,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:33:11,132 WARN L226 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_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/sv-benchmarks/c/product-lines/email_spec3_product13.cil.c[61680,61693] [2021-10-11 00:33:11,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:11,149 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:33:11,303 WARN L226 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_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/sv-benchmarks/c/product-lines/email_spec3_product13.cil.c[61680,61693] [2021-10-11 00:33:11,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:33:11,417 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:33:11,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11 WrapperNode [2021-10-11 00:33:11,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:33:11,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:11,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:33:11,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:33:11,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,467 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:33:11,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:33:11,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:33:11,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:33:11,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... [2021-10-11 00:33:11,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:33:11,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:33:11,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:33:11,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:33:11,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-11 00:33:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:33:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:33:11,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:33:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:33:14,707 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:33:14,708 INFO L299 CfgBuilder]: Removed 255 assume(true) statements. [2021-10-11 00:33:14,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:14 BoogieIcfgContainer [2021-10-11 00:33:14,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:33:14,724 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:33:14,724 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:33:14,728 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:33:14,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:14,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:33:10" (1/3) ... [2021-10-11 00:33:14,732 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c0896b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:33:14, skipping insertion in model container [2021-10-11 00:33:14,732 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:14,733 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:33:11" (2/3) ... [2021-10-11 00:33:14,734 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34c0896b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:33:14, skipping insertion in model container [2021-10-11 00:33:14,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:33:14,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:14" (3/3) ... [2021-10-11 00:33:14,737 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec3_product13.cil.c [2021-10-11 00:33:14,808 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:33:14,809 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:33:14,809 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:33:14,809 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:33:14,809 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:33:14,810 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:33:14,810 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:33:14,810 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:33:14,851 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states. [2021-10-11 00:33:14,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-11 00:33:14,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:33:14,930 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:33:14,941 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:14,942 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:33:14,942 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:33:14,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 417 states. [2021-10-11 00:33:14,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-11 00:33:14,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:33:14,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:33:14,963 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:14,963 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-11 00:33:14,971 INFO L794 eck$LassoCheckResult]: Stem: 307#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(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(16);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(15);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(11);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(19);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(100, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string53.base, #t~string53.offset, 1);call write~init~int(100, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(10, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(12);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(18);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(13);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(30);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(9);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string135.base, #t~string135.offset, 1);call write~init~int(115, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(10, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 240#L-1true havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~2, main_~tmp~3;havoc main_~retValue_acc~2;havoc main_~tmp~3; 308#L77true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 395#L85true main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 223#L531true assume 0 != main_~tmp~3;havoc setup_#t~nondet40, setup_#t~nondet42, setup_#t~nondet44, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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; 380#L2838true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 86#L2844-2true 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; 216#L2403true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 283#L2409-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 370#L2838-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 75#L2844-5true 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; 220#L2403-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 270#L2409-5true setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42;~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; 371#L2838-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 44#L2844-8true 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; 221#L2403-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 274#L2409-8true setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44; 205#L518true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 129#L346-1true [2021-10-11 00:33:14,972 INFO L796 eck$LassoCheckResult]: Loop: 129#L346-1true assume !false; 101#L204true assume test_~splverifierCounter~0 < 4; 353#L205true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 234#L211true assume !(0 == test_~op1~0); 45#L224true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet22;havoc test_#t~nondet22; 271#L229true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 129#L346-1true [2021-10-11 00:33:14,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:14,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-11 00:33:14,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:14,994 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896286249] [2021-10-11 00:33:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:15,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896286249] [2021-10-11 00:33:15,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:15,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 00:33:15,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665174556] [2021-10-11 00:33:15,441 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:33:15,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:15,444 INFO L82 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-11 00:33:15,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:15,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197625874] [2021-10-11 00:33:15,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:33:15,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:33:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:33:15,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:33:15,528 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:33:15,609 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:33:15,609 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:33:15,609 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:33:15,610 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:33:15,610 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:33:15,610 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:15,610 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:33:15,610 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:33:15,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13.cil.c_Iteration1_Loop [2021-10-11 00:33:15,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:33:15,611 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:33:15,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,774 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:33:15,775 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:15,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:33:15,792 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:15,853 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:33:15,853 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:15,875 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:33:15,906 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:33:15,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:33:15,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:33:15,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:33:15,907 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:33:15,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:15,907 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:33:15,907 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:33:15,907 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13.cil.c_Iteration1_Loop [2021-10-11 00:33:15,907 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:33:15,907 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:33:15,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:15,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:16,051 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:33:16,057 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:16,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:33:16,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:33:16,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:33:16,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:33:16,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:33:16,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:33:16,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:33:16,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:16,123 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:33:16,132 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:33:16,133 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:16,145 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:33:16,145 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:33:16,146 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:33:16,147 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:16,190 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:33:16,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:16,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:16,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:33:16,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:16,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:16,609 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 [2021-10-11 00:33:16,610 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 417 states. Second operand 4 states. [2021-10-11 00:33:16,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 417 states.. Second operand 4 states. Result 1762 states and 3080 transitions. Complement of second has 7 states. [2021-10-11 00:33:16,908 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 [2021-10-11 00:33:16,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:33:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1720 transitions. [2021-10-11 00:33:16,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-11 00:33:16,926 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:16,926 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-11 00:33:16,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:16,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 1720 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-11 00:33:16,928 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:16,929 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1762 states and 3080 transitions. [2021-10-11 00:33:16,965 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 415 [2021-10-11 00:33:16,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1762 states to 863 states and 1568 transitions. [2021-10-11 00:33:16,993 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 446 [2021-10-11 00:33:16,996 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 447 [2021-10-11 00:33:16,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1568 transitions. [2021-10-11 00:33:16,998 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:33:16,998 INFO L692 BuchiCegarLoop]: Abstraction has 863 states and 1568 transitions. [2021-10-11 00:33:17,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1568 transitions. [2021-10-11 00:33:17,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 448. [2021-10-11 00:33:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2021-10-11 00:33:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 811 transitions. [2021-10-11 00:33:17,106 INFO L715 BuchiCegarLoop]: Abstraction has 448 states and 811 transitions. [2021-10-11 00:33:17,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:17,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:33:17,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:33:17,112 INFO L87 Difference]: Start difference. First operand 448 states and 811 transitions. Second operand 3 states. [2021-10-11 00:33:17,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:17,178 INFO L93 Difference]: Finished difference Result 876 states and 1587 transitions. [2021-10-11 00:33:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 00:33:17,180 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 876 states and 1587 transitions. [2021-10-11 00:33:17,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 416 [2021-10-11 00:33:17,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 876 states to 876 states and 1587 transitions. [2021-10-11 00:33:17,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 458 [2021-10-11 00:33:17,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 458 [2021-10-11 00:33:17,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 876 states and 1587 transitions. [2021-10-11 00:33:17,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-11 00:33:17,205 INFO L692 BuchiCegarLoop]: Abstraction has 876 states and 1587 transitions. [2021-10-11 00:33:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states and 1587 transitions. [2021-10-11 00:33:17,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 447. [2021-10-11 00:33:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 447 states. [2021-10-11 00:33:17,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 807 transitions. [2021-10-11 00:33:17,226 INFO L715 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-11 00:33:17,226 INFO L595 BuchiCegarLoop]: Abstraction has 447 states and 807 transitions. [2021-10-11 00:33:17,226 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:33:17,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 447 states and 807 transitions. [2021-10-11 00:33:17,231 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 208 [2021-10-11 00:33:17,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:33:17,231 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:33:17,233 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:17,233 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 00:33:17,234 INFO L794 eck$LassoCheckResult]: Stem: 3910#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(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(16);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(15);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(16);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(44);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(44);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(11);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(19);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string50.base, #t~string50.offset, 1);call write~init~int(100, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(10, #t~string50.base, 2 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 3 + #t~string50.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string53.base, #t~string53.offset, 1);call write~init~int(100, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(10, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(20);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(10);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(12);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(10);call #t~string87.base, #t~string87.offset := #Ultimate.allocOnStack(18);call #t~string90.base, #t~string90.offset := #Ultimate.allocOnStack(13);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(16);call #t~string96.base, #t~string96.offset := #Ultimate.allocOnStack(25);call #t~string116.base, #t~string116.offset := #Ultimate.allocOnStack(30);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(9);call #t~string118.base, #t~string118.offset := #Ultimate.allocOnStack(21);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(30);call #t~string120.base, #t~string120.offset := #Ultimate.allocOnStack(9);call #t~string121.base, #t~string121.offset := #Ultimate.allocOnStack(21);call #t~string125.base, #t~string125.offset := #Ultimate.allocOnStack(30);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(9);call #t~string127.base, #t~string127.offset := #Ultimate.allocOnStack(25);call #t~string128.base, #t~string128.offset := #Ultimate.allocOnStack(30);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(9);call #t~string130.base, #t~string130.offset := #Ultimate.allocOnStack(25);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string135.base, #t~string135.offset, 1);call write~init~int(115, #t~string135.base, 1 + #t~string135.offset, 1);call write~init~int(10, #t~string135.base, 2 + #t~string135.offset, 1);call write~init~int(0, #t~string135.base, 3 + #t~string135.offset, 1);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~sent_signed~0 := -1;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0; 3628#L-1 havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~2, main_~tmp~3;havoc main_~retValue_acc~2;havoc main_~tmp~3; 3629#L77 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 3911#L85 main_#t~ret45 := valid_product_#res;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 4048#L531 assume 0 != main_~tmp~3;havoc setup_#t~nondet40, setup_#t~nondet42, setup_#t~nondet44, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.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_tmp2~1.base, setup_~__cil_tmp2~1.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; 4047#L2838 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3856#L2844-2 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; 3863#L2403 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3842#L2409-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string39.base, #t~string39.offset;havoc setup_#t~nondet40;~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; 3845#L2838-2 assume !(1 == setClientId_~handle); 3872#L2841-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 3813#L2844-5 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; 3814#L2403-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3806#L2409-5 setup_~__cil_tmp2~1.base, setup_~__cil_tmp2~1.offset := #t~string41.base, #t~string41.offset;havoc setup_#t~nondet42;~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; 3807#L2838-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 3714#L2844-8 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; 3715#L2403-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3803#L2409-8 setup_~__cil_tmp3~0.base, setup_~__cil_tmp3~0.offset := #t~string43.base, #t~string43.offset;havoc setup_#t~nondet44; 3828#L518 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~1, test_~tmp___2~1, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~1;havoc test_~tmp___2~1;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4040#L346-1 assume !false; 3897#L204 [2021-10-11 00:33:17,234 INFO L796 eck$LassoCheckResult]: Loop: 3897#L204 assume test_~splverifierCounter~0 < 4; 3898#L205 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4020#L211 assume !(0 == test_~op1~0); 3716#L224 assume !(0 == test_~op2~0); 3717#L235 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet23;havoc test_#t~nondet23; 3723#L240 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; 3811#L2403-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 3698#L2409-11 test_~op3~0 := 1; 3637#L346-1 assume !false; 3897#L204 [2021-10-11 00:33:17,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,235 INFO L82 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-11 00:33:17,236 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531520631] [2021-10-11 00:33:17,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:17,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:17,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531520631] [2021-10-11 00:33:17,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:33:17,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 00:33:17,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825987635] [2021-10-11 00:33:17,397 INFO L799 eck$LassoCheckResult]: stem already infeasible [2021-10-11 00:33:17,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:17,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-11 00:33:17,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:33:17,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255957166] [2021-10-11 00:33:17,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:33:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:33:17,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:33:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:33:17,414 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:33:17,423 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:33:17,508 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:33:17,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:33:17,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:33:17,509 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:33:17,509 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:33:17,509 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:17,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:33:17,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:33:17,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13.cil.c_Iteration2_Loop [2021-10-11 00:33:17,510 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:33:17,510 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:33:17,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,552 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,733 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:33:17,733 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:17,747 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:33:17,747 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:17,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:33:17,796 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:17,847 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:33:17,852 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:33:17,852 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:33:17,852 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:33:17,852 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:33:17,853 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:33:17,853 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:17,853 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:33:17,853 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:33:17,853 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec3_product13.cil.c_Iteration2_Loop [2021-10-11 00:33:17,853 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:33:17,853 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:33:17,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:17,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:33:18,129 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:33:18,129 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:18,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:33:18,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:33:18,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:33:18,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:33:18,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:33:18,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:33:18,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:33:18,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:18,171 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:33:18,175 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:33:18,175 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cc2c316-f9c6-40fa-b1c5-10f7f6ab1f76/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:33:18,183 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:33:18,183 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:33:18,183 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:33:18,183 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:33:18,223 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:33:18,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:33:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:33:18,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:33:18,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:33:18,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:33:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:33:18,619 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 [2021-10-11 00:33:18,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362 Second operand 4 states. [2021-10-11 00:33:18,659 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 447 states and 807 transitions. cyclomatic complexity: 362. Second operand 4 states. Result 867 states and 1573 transitions. Complement of second has 6 states. [2021-10-11 00:33:18,660 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 [2021-10-11 00:33:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-10-11 00:33:18,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2021-10-11 00:33:18,661 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-11 00:33:18,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:18,662 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-11 00:33:18,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:18,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 426 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-11 00:33:18,664 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:33:18,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 867 states and 1573 transitions. [2021-10-11 00:33:18,675 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:33:18,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 867 states to 0 states and 0 transitions. [2021-10-11 00:33:18,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:33:18,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:33:18,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:33:18,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:33:18,677 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:18,677 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:18,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:33:18,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 00:33:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 00:33:18,678 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2021-10-11 00:33:18,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:33:18,678 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:33:18,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:33:18,679 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:33:18,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:33:18,679 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:33:18,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:33:18,680 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:33:18,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:33:18,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:33:18,680 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:18,680 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:18,680 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:33:18,681 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-11 00:33:18,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:33:18,681 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:33:18,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:33:18,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:33:18 BoogieIcfgContainer [2021-10-11 00:33:18,688 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:33:18,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:33:18,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:33:18,689 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:33:18,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:33:14" (3/4) ... [2021-10-11 00:33:18,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:33:18,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:33:18,695 INFO L168 Benchmark]: Toolchain (without parser) took 8470.46 ms. Allocated memory was 100.7 MB in the beginning and 199.2 MB in the end (delta: 98.6 MB). Free memory was 59.7 MB in the beginning and 75.5 MB in the end (delta: -15.7 MB). Peak memory consumption was 83.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,696 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 78.5 MB in the beginning and 78.4 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:18,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1189.67 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 59.5 MB in the beginning and 118.6 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,698 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.51 ms. Allocated memory is still 146.8 MB. Free memory was 118.6 MB in the beginning and 110.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,699 INFO L168 Benchmark]: Boogie Preprocessor took 136.76 ms. Allocated memory is still 146.8 MB. Free memory was 110.2 MB in the beginning and 103.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,700 INFO L168 Benchmark]: RCFGBuilder took 2986.95 ms. Allocated memory is still 146.8 MB. Free memory was 103.9 MB in the beginning and 53.2 MB in the end (delta: 50.7 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,700 INFO L168 Benchmark]: BuchiAutomizer took 3963.96 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 76.5 MB in the end (delta: 86.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:33:18,701 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 199.2 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:33:18,705 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 100.7 MB. Free memory was 78.5 MB in the beginning and 78.4 MB in the end (delta: 62.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1189.67 ms. Allocated memory was 100.7 MB in the beginning and 146.8 MB in the end (delta: 46.1 MB). Free memory was 59.5 MB in the beginning and 118.6 MB in the end (delta: -59.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 167.51 ms. Allocated memory is still 146.8 MB. Free memory was 118.6 MB in the beginning and 110.2 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 136.76 ms. Allocated memory is still 146.8 MB. Free memory was 110.2 MB in the beginning and 103.9 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2986.95 ms. Allocated memory is still 146.8 MB. Free memory was 103.9 MB in the beginning and 53.2 MB in the end (delta: 50.7 MB). Peak memory consumption was 55.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 3963.96 ms. Allocated memory is still 199.2 MB. Free memory was 162.5 MB in the beginning and 76.5 MB in the end (delta: 86.0 MB). Peak memory consumption was 85.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.83 ms. Allocated memory is still 199.2 MB. Free memory is still 75.5 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 -2 * splverifierCounter + 7 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s 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: 2644 SDtfs, 2232 SDslu, 3179 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: 87ms 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! Received shutdown request...