./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec9_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec9_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 28cb2c1915c61c386f3394fd53d16960f7cb856128220666f501d4f4a00b7894 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:24:12,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:24:12,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:24:12,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:24:12,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:24:12,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:24:12,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:24:12,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:24:12,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:24:12,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:24:12,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:24:12,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:24:12,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:24:12,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:24:12,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:24:12,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:24:12,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:24:12,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:24:12,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:24:12,748 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:24:12,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:24:12,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:24:12,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:24:12,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:24:12,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:24:12,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:24:12,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:24:12,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:24:12,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:24:12,779 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:24:12,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:24:12,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:24:12,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:24:12,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:24:12,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:24:12,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:24:12,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:24:12,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:24:12,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:24:12,791 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:24:12,792 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:24:12,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:24:12,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:24:12,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:24:12,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:24:12,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:24:12,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:24:12,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:24:12,861 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:24:12,861 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:24:12,861 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:24:12,861 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:24:12,863 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:24:12,863 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:24:12,864 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:24:12,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:24:12,864 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:24:12,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:24:12,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:24:12,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:24:12,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:24:12,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:24:12,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:24:12,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:24:12,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:24:12,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:24:12,866 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:24:12,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:24:12,869 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:24:12,870 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:24:12,870 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:24:12,870 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:24:12,871 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:24:12,871 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:24:12,872 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:24:12,873 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_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 28cb2c1915c61c386f3394fd53d16960f7cb856128220666f501d4f4a00b7894 [2021-10-28 23:24:13,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:24:13,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:24:13,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:24:13,231 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:24:13,232 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:24:13,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/email_spec9_product31.cil.c [2021-10-28 23:24:13,330 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/data/2bc71b30c/a1e17949184445c0951b4334ac165f0b/FLAGd08e3265d [2021-10-28 23:24:14,155 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:24:14,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c [2021-10-28 23:24:14,194 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/data/2bc71b30c/a1e17949184445c0951b4334ac165f0b/FLAGd08e3265d [2021-10-28 23:24:14,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/data/2bc71b30c/a1e17949184445c0951b4334ac165f0b [2021-10-28 23:24:14,367 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:24:14,369 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:24:14,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:14,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:24:14,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:24:14,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a57e3b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:14, skipping insertion in model container [2021-10-28 23:24:14,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:24:14" (1/1) ... [2021-10-28 23:24:14,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:24:14,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:24:15,237 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c[56976,56989] [2021-10-28 23:24:15,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:15,287 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:24:15,400 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/sv-benchmarks/c/product-lines/email_spec9_product31.cil.c[56976,56989] [2021-10-28 23:24:15,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:24:15,454 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:24:15,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15 WrapperNode [2021-10-28 23:24:15,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:24:15,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:15,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:24:15,457 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:24:15,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,693 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:24:15,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:24:15,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:24:15,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:24:15,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:24:15,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:24:15,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:24:15,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:24:15,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (1/1) ... [2021-10-28 23:24:15,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:15,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:15,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-10-28 23:24:16,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:24:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:24:16,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:24:18,764 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:24:18,765 INFO L299 CfgBuilder]: Removed 379 assume(true) statements. [2021-10-28 23:24:18,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:18 BoogieIcfgContainer [2021-10-28 23:24:18,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:24:18,770 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:24:18,771 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:24:18,775 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:24:18,776 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:18,776 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:24:14" (1/3) ... [2021-10-28 23:24:18,778 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47642e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:18, skipping insertion in model container [2021-10-28 23:24:18,778 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:18,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:24:15" (2/3) ... [2021-10-28 23:24:18,779 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47642e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:24:18, skipping insertion in model container [2021-10-28 23:24:18,779 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:24:18,779 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:18" (3/3) ... [2021-10-28 23:24:18,781 INFO L389 chiAutomizerObserver]: Analyzing ICFG email_spec9_product31.cil.c [2021-10-28 23:24:18,849 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:24:18,849 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:24:18,850 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:24:18,850 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:24:18,850 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:24:18,850 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:24:18,850 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:24:18,850 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:24:18,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 565 states, 564 states have (on average 1.7304964539007093) internal successors, (976), 564 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:18,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:24:18,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:18,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:18,989 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:18,989 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:24:18,989 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:24:18,991 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 565 states, 564 states have (on average 1.7304964539007093) internal successors, (976), 564 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:19,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:24:19,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:19,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:19,008 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:19,008 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-28 23:24:19,015 INFO L791 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(20);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(11);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(19);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string102.base, #t~string102.offset, 1);call write~init~int(100, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(10, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string105.base, #t~string105.offset, 1);call write~init~int(100, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(10, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(17);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(17);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(12);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(10);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(18);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(13);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(16);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0; 470#L-1true havoc main_#res;havoc main_#t~ret97, main_~retValue_acc~39, main_~tmp~16;havoc main_~retValue_acc~39;havoc main_~tmp~16; 552#L103true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 162#L111true main_#t~ret97 := valid_product_#res;main_~tmp~16 := main_#t~ret97;havoc main_#t~ret97; 165#L2716true assume 0 != main_~tmp~16;havoc setup_#t~nondet92, setup_#t~nondet94, setup_#t~nondet96, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 127#L2182true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 195#L2188-2true 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; 31#L1747true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 335#L1753-2true setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 539#L2182-2true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 30#L2188-5true 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; 333#L1747-2true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 33#L1753-5true setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 53#L2182-4true assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 452#L2188-8true 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; 212#L1747-4true assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 48#L1753-8true setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96; 114#L2703true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 327#L722-1true [2021-10-28 23:24:19,016 INFO L793 eck$LassoCheckResult]: Loop: 327#L722-1true assume !false; 209#L577true assume test_~splverifierCounter~0 < 4; 479#L578true test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 491#L584true assume !(0 == test_~op1~0); 410#L597true assume 0 == test_~op2~0;test_~tmp___8~0 := test_#t~nondet11;havoc test_#t~nondet11; 12#L602true assume 0 != test_~tmp___8~0;test_~op2~0 := 1; 327#L722-1true [2021-10-28 23:24:19,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:19,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1291925977, now seen corresponding path program 1 times [2021-10-28 23:24:19,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:19,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758690134] [2021-10-28 23:24:19,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:19,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:19,461 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:19,462 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758690134] [2021-10-28 23:24:19,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758690134] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:19,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:19,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:24:19,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609366330] [2021-10-28 23:24:19,483 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:24:19,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:19,484 INFO L85 PathProgramCache]: Analyzing trace with hash 590492675, now seen corresponding path program 1 times [2021-10-28 23:24:19,485 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:19,485 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166715699] [2021-10-28 23:24:19,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:19,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:19,509 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:19,567 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:19,660 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:24:19,661 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:24:19,661 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:24:19,662 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:24:19,662 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:24:19,662 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:19,662 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:24:19,662 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:24:19,662 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31.cil.c_Iteration1_Loop [2021-10-28 23:24:19,663 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:24:19,663 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:24:19,705 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,813 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:24:19,814 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:24:19,817 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:19,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:19,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:19,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:24:19,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:24:19,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:24:19,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:19,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:19,909 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:19,915 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:24:19,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:24:19,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:24:19,927 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:24:19,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:19,967 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:24:19,967 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:24:19,967 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:24:19,968 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:24:19,968 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:24:19,968 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:19,968 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:24:19,968 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:24:19,968 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31.cil.c_Iteration1_Loop [2021-10-28 23:24:19,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:24:19,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:24:19,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,977 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:19,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:20,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:24:20,063 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:24:20,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:20,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:20,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:20,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:20,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:20,081 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:24:20,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:20,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:20,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:20,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:24:20,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:24:20,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:24:20,100 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:24:20,104 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:24:20,105 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:24:20,106 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:20,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:20,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:20,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:24:20,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:24:20,130 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:24:20,131 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:24:20,131 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0) = -2*ULTIMATE.start_test_~op2~0 + 1 Supporting invariants [] [2021-10-28 23:24:20,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:20,160 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:24:20,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:20,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:20,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 651 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:24:20,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:20,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:24:20,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:20,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:20,630 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:24:20,634 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 565 states, 564 states have (on average 1.7304964539007093) internal successors, (976), 564 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:20,985 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 565 states, 564 states have (on average 1.7304964539007093) internal successors, (976), 564 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2498 states and 4292 transitions. Complement of second has 7 states. [2021-10-28 23:24:20,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:20,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:24:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:20,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2442 transitions. [2021-10-28 23:24:20,997 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 6 letters. [2021-10-28 23:24:20,998 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:20,998 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 24 letters. Loop has 6 letters. [2021-10-28 23:24:20,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:20,999 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2442 transitions. Stem has 18 letters. Loop has 12 letters. [2021-10-28 23:24:20,999 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:21,000 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2498 states and 4292 transitions. [2021-10-28 23:24:21,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-10-28 23:24:21,059 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2498 states to 879 states and 1596 transitions. [2021-10-28 23:24:21,060 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 454 [2021-10-28 23:24:21,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 455 [2021-10-28 23:24:21,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 879 states and 1596 transitions. [2021-10-28 23:24:21,065 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:24:21,065 INFO L681 BuchiCegarLoop]: Abstraction has 879 states and 1596 transitions. [2021-10-28 23:24:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states and 1596 transitions. [2021-10-28 23:24:21,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 456. [2021-10-28 23:24:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 456 states have (on average 1.8092105263157894) internal successors, (825), 455 states have internal predecessors, (825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 825 transitions. [2021-10-28 23:24:21,145 INFO L704 BuchiCegarLoop]: Abstraction has 456 states and 825 transitions. [2021-10-28 23:24:21,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:21,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:24:21,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:24:21,151 INFO L87 Difference]: Start difference. First operand 456 states and 825 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:21,209 INFO L93 Difference]: Finished difference Result 892 states and 1615 transitions. [2021-10-28 23:24:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:24:21,210 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 892 states and 1615 transitions. [2021-10-28 23:24:21,220 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 424 [2021-10-28 23:24:21,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 892 states to 892 states and 1615 transitions. [2021-10-28 23:24:21,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 466 [2021-10-28 23:24:21,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 466 [2021-10-28 23:24:21,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 892 states and 1615 transitions. [2021-10-28 23:24:21,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:24:21,236 INFO L681 BuchiCegarLoop]: Abstraction has 892 states and 1615 transitions. [2021-10-28 23:24:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states and 1615 transitions. [2021-10-28 23:24:21,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 455. [2021-10-28 23:24:21,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 455 states have (on average 1.8043956043956044) internal successors, (821), 454 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 821 transitions. [2021-10-28 23:24:21,264 INFO L704 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-28 23:24:21,265 INFO L587 BuchiCegarLoop]: Abstraction has 455 states and 821 transitions. [2021-10-28 23:24:21,265 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:24:21,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 455 states and 821 transitions. [2021-10-28 23:24:21,268 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-10-28 23:24:21,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:24:21,269 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:24:21,270 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:21,270 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:24:21,271 INFO L791 eck$LassoCheckResult]: Stem: 4964#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(28);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string7.base, #t~string7.offset, 1);call write~init~int(115, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(10, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 3 + #t~string7.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(10);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(16);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(20);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(21);call #t~string84.base, #t~string84.offset := #Ultimate.allocOnStack(44);call #t~string89.base, #t~string89.offset := #Ultimate.allocOnStack(44);call #t~string91.base, #t~string91.offset := #Ultimate.allocOnStack(9);call #t~string93.base, #t~string93.offset := #Ultimate.allocOnStack(9);call #t~string95.base, #t~string95.offset := #Ultimate.allocOnStack(11);call #t~string99.base, #t~string99.offset := #Ultimate.allocOnStack(19);call #t~string102.base, #t~string102.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string102.base, #t~string102.offset, 1);call write~init~int(100, #t~string102.base, 1 + #t~string102.offset, 1);call write~init~int(10, #t~string102.base, 2 + #t~string102.offset, 1);call write~init~int(0, #t~string102.base, 3 + #t~string102.offset, 1);call #t~string105.base, #t~string105.offset := #Ultimate.allocOnStack(4);call write~init~int(37, #t~string105.base, #t~string105.offset, 1);call write~init~int(100, #t~string105.base, 1 + #t~string105.offset, 1);call write~init~int(10, #t~string105.base, 2 + #t~string105.offset, 1);call write~init~int(0, #t~string105.base, 3 + #t~string105.offset, 1);call #t~string112.base, #t~string112.offset := #Ultimate.allocOnStack(17);call #t~string115.base, #t~string115.offset := #Ultimate.allocOnStack(17);call #t~string117.base, #t~string117.offset := #Ultimate.allocOnStack(13);call #t~string119.base, #t~string119.offset := #Ultimate.allocOnStack(17);call #t~string123.base, #t~string123.offset := #Ultimate.allocOnStack(10);call #t~string126.base, #t~string126.offset := #Ultimate.allocOnStack(12);call #t~string129.base, #t~string129.offset := #Ultimate.allocOnStack(10);call #t~string132.base, #t~string132.offset := #Ultimate.allocOnStack(18);call #t~string135.base, #t~string135.offset := #Ultimate.allocOnStack(16);call #t~string138.base, #t~string138.offset := #Ultimate.allocOnStack(21);call #t~string141.base, #t~string141.offset := #Ultimate.allocOnStack(13);call #t~string144.base, #t~string144.offset := #Ultimate.allocOnStack(16);call #t~string147.base, #t~string147.offset := #Ultimate.allocOnStack(25);~__SELECTED_FEATURE_Base~0 := 0;~__SELECTED_FEATURE_Keys~0 := 0;~__SELECTED_FEATURE_Encrypt~0 := 0;~__SELECTED_FEATURE_AutoResponder~0 := 0;~__SELECTED_FEATURE_AddressBook~0 := 0;~__SELECTED_FEATURE_Sign~0 := 0;~__SELECTED_FEATURE_Forward~0 := 0;~__SELECTED_FEATURE_Verify~0 := 0;~__SELECTED_FEATURE_Decrypt~0 := 0;~__GUIDSL_ROOT_PRODUCTION~0 := 0;~__GUIDSL_NON_TERMINAL_main~0 := 0;~__ste_Email_counter~0 := 0;~__ste_email_id0~0 := 0;~__ste_email_id1~0 := 0;~__ste_email_from0~0 := 0;~__ste_email_from1~0 := 0;~__ste_email_to0~0 := 0;~__ste_email_to1~0 := 0;~__ste_email_subject0~0.base, ~__ste_email_subject0~0.offset := 0, 0;~__ste_email_subject1~0.base, ~__ste_email_subject1~0.offset := 0, 0;~__ste_email_body0~0.base, ~__ste_email_body0~0.offset := 0, 0;~__ste_email_body1~0.base, ~__ste_email_body1~0.offset := 0, 0;~__ste_email_isEncrypted0~0 := 0;~__ste_email_isEncrypted1~0 := 0;~__ste_email_encryptionKey0~0 := 0;~__ste_email_encryptionKey1~0 := 0;~__ste_email_isSigned0~0 := 0;~__ste_email_isSigned1~0 := 0;~__ste_email_signKey0~0 := 0;~__ste_email_signKey1~0 := 0;~__ste_email_isSignatureVerified0~0 := 0;~__ste_email_isSignatureVerified1~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~__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;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~in_encrypted~0 := 0; 4918#L-1 havoc main_#res;havoc main_#t~ret97, main_~retValue_acc~39, main_~tmp~16;havoc main_~retValue_acc~39;havoc main_~tmp~16; 4919#L103 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 4895#L111 main_#t~ret97 := valid_product_#res;main_~tmp~16 := main_#t~ret97;havoc main_#t~ret97; 4896#L2716 assume 0 != main_~tmp~16;havoc setup_#t~nondet92, setup_#t~nondet94, setup_#t~nondet96, setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset, setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset, setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset;havoc setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset;havoc setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset;havoc setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.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; 4832#L2182 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4569#L2188-2 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; 4565#L1747 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4566#L1753-2 setup_~__cil_tmp1~0.base, setup_~__cil_tmp1~0.offset := #t~string91.base, #t~string91.offset;havoc setup_#t~nondet92;~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; 4651#L2182-2 assume !(1 == setClientId_~handle); 4824#L2185-2 assume 2 == setClientId_~handle;~__ste_client_idCounter1~0 := setClientId_~value; 4563#L2188-5 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; 4564#L1747-2 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4570#L1753-5 setup_~__cil_tmp2~0.base, setup_~__cil_tmp2~0.offset := #t~string93.base, #t~string93.offset;havoc setup_#t~nondet94;~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; 4571#L2182-4 assume 1 == setClientId_~handle;~__ste_client_idCounter0~0 := setClientId_~value; 4668#L2188-8 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; 4899#L1747-4 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4648#L1753-8 setup_~__cil_tmp3~3.base, setup_~__cil_tmp3~3.offset := #t~string95.base, #t~string95.offset;havoc setup_#t~nondet96; 4649#L2703 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~op1~0, test_~op2~0, test_~op3~0, test_~op4~0, test_~op5~0, test_~op6~0, test_~op7~0, test_~op8~0, test_~op9~0, test_~op10~0, test_~op11~0, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0, test_~tmp___3~0, test_~tmp___4~0, test_~tmp___5~0, test_~tmp___6~0, test_~tmp___7~0, test_~tmp___8~0, test_~tmp___9~0;havoc test_~op1~0;havoc test_~op2~0;havoc test_~op3~0;havoc test_~op4~0;havoc test_~op5~0;havoc test_~op6~0;havoc test_~op7~0;havoc test_~op8~0;havoc test_~op9~0;havoc test_~op10~0;havoc test_~op11~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;havoc test_~tmp___3~0;havoc test_~tmp___4~0;havoc test_~tmp___5~0;havoc test_~tmp___6~0;havoc test_~tmp___7~0;havoc test_~tmp___8~0;havoc test_~tmp___9~0;test_~op1~0 := 0;test_~op2~0 := 0;test_~op3~0 := 0;test_~op4~0 := 0;test_~op5~0 := 0;test_~op6~0 := 0;test_~op7~0 := 0;test_~op8~0 := 0;test_~op9~0 := 0;test_~op10~0 := 0;test_~op11~0 := 0;test_~splverifierCounter~0 := 0; 4823#L722-1 assume !false; 4628#L577 [2021-10-28 23:24:21,271 INFO L793 eck$LassoCheckResult]: Loop: 4628#L577 assume test_~splverifierCounter~0 < 4; 4928#L578 test_~splverifierCounter~0 := 1 + test_~splverifierCounter~0; 4929#L584 assume !(0 == test_~op1~0); 4790#L597 assume !(0 == test_~op2~0); 4531#L608 assume 0 == test_~op3~0;test_~tmp___7~0 := test_#t~nondet12;havoc test_#t~nondet12; 4640#L613 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; 4642#L1747-6 assume 1 == setClientPrivateKey_~handle;~__ste_client_privateKey0~0 := setClientPrivateKey_~value; 4543#L1753-11 test_~op3~0 := 1; 4544#L722-1 assume !false; 4628#L577 [2021-10-28 23:24:21,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:21,278 INFO L85 PathProgramCache]: Analyzing trace with hash -953559564, now seen corresponding path program 1 times [2021-10-28 23:24:21,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:21,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385101226] [2021-10-28 23:24:21,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:21,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:21,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:24:21,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385101226] [2021-10-28 23:24:21,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385101226] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:24:21,433 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:24:21,433 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:24:21,433 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506286788] [2021-10-28 23:24:21,434 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:24:21,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:21,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1296812605, now seen corresponding path program 1 times [2021-10-28 23:24:21,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:24:21,435 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449554954] [2021-10-28 23:24:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:24:21,435 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:24:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,475 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:24:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:24:21,489 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:24:21,617 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:24:21,617 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:24:21,617 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:24:21,617 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:24:21,617 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:24:21,617 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:21,617 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:24:21,618 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:24:21,618 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31.cil.c_Iteration2_Loop [2021-10-28 23:24:21,618 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:24:21,618 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:24:21,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,699 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:21,846 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:24:21,846 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:24:21,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:21,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:21,860 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:21,896 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:24:21,896 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:24:21,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:24:21,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:21,960 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:21,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:21,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:21,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:24:21,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:24:21,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:24:22,007 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:24:22,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:22,017 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:24:22,017 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:24:22,017 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:24:22,017 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:24:22,017 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:24:22,017 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:22,017 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:24:22,017 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:24:22,017 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec9_product31.cil.c_Iteration2_Loop [2021-10-28 23:24:22,017 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:24:22,018 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:24:22,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,059 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:24:22,241 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:24:22,242 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:24:22,242 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:22,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:22,243 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:22,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:24:22,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:24:22,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:24:22,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:24:22,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:24:22,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:24:22,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:24:22,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:24:22,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:24:22,295 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:24:22,303 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 23:24:22,304 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:24:22,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:24:22,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:24:22,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:24:22,314 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:24:22,315 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:24:22,315 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:24:22,315 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0) = -2*ULTIMATE.start_test_~splverifierCounter~0 + 7 Supporting invariants [] [2021-10-28 23:24:22,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:24:22,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:22,361 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:24:22,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:24:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:22,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:24:22,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:24:22,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:24:22,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:24:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:24:22,800 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 23:24:22,800 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368 Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:22,833 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 455 states and 821 transitions. cyclomatic complexity: 368. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 883 states and 1601 transitions. Complement of second has 6 states. [2021-10-28 23:24:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:24:22,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 433 transitions. [2021-10-28 23:24:22,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 9 letters. [2021-10-28 23:24:22,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:22,840 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 29 letters. Loop has 9 letters. [2021-10-28 23:24:22,842 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:22,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 433 transitions. Stem has 20 letters. Loop has 18 letters. [2021-10-28 23:24:22,846 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:24:22,846 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 883 states and 1601 transitions. [2021-10-28 23:24:22,855 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:24:22,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 883 states to 0 states and 0 transitions. [2021-10-28 23:24:22,856 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:24:22,856 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:24:22,856 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:24:22,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:24:22,856 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:22,856 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:22,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:24:22,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:24:22,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:24:22,858 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:24:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:24:22,858 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-28 23:24:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:24:22,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-28 23:24:22,859 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:24:22,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 23:24:22,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:24:22,859 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:24:22,859 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:24:22,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:24:22,860 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:22,860 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:22,860 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:24:22,860 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:24:22,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:24:22,860 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:24:22,860 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:24:22,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:24:22 BoogieIcfgContainer [2021-10-28 23:24:22,867 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:24:22,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:24:22,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:24:22,868 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:24:22,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:24:18" (3/4) ... [2021-10-28 23:24:22,872 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:24:22,872 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:24:22,876 INFO L168 Benchmark]: Toolchain (without parser) took 8504.36 ms. Allocated memory was 121.6 MB in the beginning and 188.7 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 73.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,877 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:24:22,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1084.88 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 69.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 236.47 ms. Allocated memory is still 121.6 MB. Free memory was 69.7 MB in the beginning and 58.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,889 INFO L168 Benchmark]: Boogie Preprocessor took 176.77 ms. Allocated memory is still 121.6 MB. Free memory was 58.5 MB in the beginning and 50.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,890 INFO L168 Benchmark]: RCFGBuilder took 2897.89 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 50.2 MB in the beginning and 97.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,890 INFO L168 Benchmark]: BuchiAutomizer took 4096.90 ms. Allocated memory was 155.2 MB in the beginning and 188.7 MB in the end (delta: 33.6 MB). Free memory was 97.1 MB in the beginning and 74.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:24:22,891 INFO L168 Benchmark]: Witness Printer took 4.71 ms. Allocated memory is still 188.7 MB. Free memory was 74.2 MB in the beginning and 73.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:24:22,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 88.1 MB. Free memory is still 43.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1084.88 ms. Allocated memory is still 121.6 MB. Free memory was 87.4 MB in the beginning and 69.7 MB in the end (delta: 17.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 236.47 ms. Allocated memory is still 121.6 MB. Free memory was 69.7 MB in the beginning and 58.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 176.77 ms. Allocated memory is still 121.6 MB. Free memory was 58.5 MB in the beginning and 50.2 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2897.89 ms. Allocated memory was 121.6 MB in the beginning and 155.2 MB in the end (delta: 33.6 MB). Free memory was 50.2 MB in the beginning and 97.1 MB in the end (delta: -46.9 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4096.90 ms. Allocated memory was 155.2 MB in the beginning and 188.7 MB in the end (delta: 33.6 MB). Free memory was 97.1 MB in the beginning and 74.2 MB in the end (delta: 22.8 MB). Peak memory consumption was 57.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.71 ms. Allocated memory is still 188.7 MB. Free memory was 74.2 MB in the beginning and 73.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function 7 + -2 * splverifierCounter and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 860 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 455 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 3155 SDtfs, 2735 SDslu, 3935 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: 66ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:24:22,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:24:23,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97c1856-94a8-456f-bac3-8b925af5120f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...