./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/email_spec6_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/email_spec6_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF --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 e61661fc2d58041f16237a6d2ff2f3d5f72c7660b85c9fdf3f096a51b709ec23 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:45:28,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:45:28,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:45:28,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:45:28,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:45:28,780 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:45:28,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:45:28,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:45:28,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:45:28,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:45:28,799 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:45:28,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:45:28,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:45:28,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:45:28,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:45:28,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:45:28,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:45:28,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:45:28,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:45:28,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:45:28,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:45:28,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:45:28,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:45:28,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:45:28,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:45:28,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:45:28,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:45:28,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:45:28,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:45:28,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:45:28,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:45:28,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:45:28,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:45:28,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:45:28,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:45:28,857 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:45:28,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:45:28,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:45:28,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:45:28,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:45:28,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:45:28,862 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 05:45:28,912 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:45:28,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:45:28,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:45:28,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:45:28,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:45:28,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:45:28,916 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:45:28,916 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:45:28,917 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:45:28,917 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:45:28,918 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:45:28,918 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:45:28,919 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:45:28,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:45:28,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 05:45:28,920 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:45:28,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:45:28,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 05:45:28,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:45:28,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:45:28,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:45:28,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:45:28,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 05:45:28,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:45:28,922 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:45:28,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:45:28,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:45:28,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:45:28,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:45:28,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:45:28,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:45:28,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:45:28,926 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:45:28,927 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_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e61661fc2d58041f16237a6d2ff2f3d5f72c7660b85c9fdf3f096a51b709ec23 [2021-11-20 05:45:29,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:45:29,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:45:29,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:45:29,361 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:45:29,362 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:45:29,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/product-lines/email_spec6_product22.cil.c [2021-11-20 05:45:29,479 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/data/ff338814e/e78fcbf3eef64b38a0fc26d3874a7731/FLAGb1a2a2d86 [2021-11-20 05:45:30,220 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:45:30,220 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/sv-benchmarks/c/product-lines/email_spec6_product22.cil.c [2021-11-20 05:45:30,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/data/ff338814e/e78fcbf3eef64b38a0fc26d3874a7731/FLAGb1a2a2d86 [2021-11-20 05:45:30,375 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/data/ff338814e/e78fcbf3eef64b38a0fc26d3874a7731 [2021-11-20 05:45:30,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:45:30,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:45:30,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:45:30,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:45:30,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:45:30,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:30" (1/1) ... [2021-11-20 05:45:30,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eeaf1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:30, skipping insertion in model container [2021-11-20 05:45:30,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:45:30" (1/1) ... [2021-11-20 05:45:30,410 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:45:30,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:45:30,993 WARN L230 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_5d2cdead-9272-47f5-a376-22aa6851b2de/sv-benchmarks/c/product-lines/email_spec6_product22.cil.c[21483,21496] [2021-11-20 05:45:31,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:45:31,297 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:45:31,365 WARN L230 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_5d2cdead-9272-47f5-a376-22aa6851b2de/sv-benchmarks/c/product-lines/email_spec6_product22.cil.c[21483,21496] [2021-11-20 05:45:31,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:45:31,481 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:45:31,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31 WrapperNode [2021-11-20 05:45:31,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:45:31,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:45:31,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:45:31,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:45:31,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,530 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,639 INFO L137 Inliner]: procedures = 129, calls = 213, calls flagged for inlining = 121, calls inlined = 165, statements flattened = 2431 [2021-11-20 05:45:31,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:45:31,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:45:31,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:45:31,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:45:31,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,687 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:45:31,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:45:31,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:45:31,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:45:31,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (1/1) ... [2021-11-20 05:45:31,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:31,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:31,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:45:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-20 05:45:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 05:45:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 05:45:31,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:45:31,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:45:32,217 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:45:32,219 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:45:33,711 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:45:33,727 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:45:33,727 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 05:45:33,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:33 BoogieIcfgContainer [2021-11-20 05:45:33,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:45:33,732 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:45:33,733 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:45:33,737 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:45:33,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:45:33,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:45:30" (1/3) ... [2021-11-20 05:45:33,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@381978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:45:33, skipping insertion in model container [2021-11-20 05:45:33,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:45:33,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:45:31" (2/3) ... [2021-11-20 05:45:33,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@381978a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:45:33, skipping insertion in model container [2021-11-20 05:45:33,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:45:33,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:33" (3/3) ... [2021-11-20 05:45:33,742 INFO L388 chiAutomizerObserver]: Analyzing ICFG email_spec6_product22.cil.c [2021-11-20 05:45:33,799 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:45:33,799 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:45:33,799 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:45:33,799 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:45:33,799 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:45:33,799 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:45:33,800 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:45:33,800 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:45:33,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 537 states, 536 states have (on average 1.6735074626865671) internal successors, (897), 536 states have internal predecessors, (897), 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) [2021-11-20 05:45:33,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 227 [2021-11-20 05:45:33,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:33,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:33,914 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:33,914 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:33,914 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:45:33,917 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 537 states, 536 states have (on average 1.6735074626865671) internal successors, (897), 536 states have internal predecessors, (897), 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) [2021-11-20 05:45:33,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 227 [2021-11-20 05:45:33,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:33,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:33,937 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:33,938 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:33,945 INFO L791 eck$LassoCheckResult]: Stem: 527#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 458#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 531#L497true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 436#L490true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 453#L505true main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 165#L2408true assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 468#L2015true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 222#L2021-2true assume { :end_inline_setClientId } true; 250#L2285true assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 354#L1580true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 226#L1586-2true assume { :end_inline_setClientPrivateKey } true; 440#L2296true assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 523#L2015-2true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 319#L2021-5true assume { :end_inline_setClientId } true; 528#L2306true assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 459#L1580-2true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 130#L1586-5true assume { :end_inline_setClientPrivateKey } true; 263#L2317true assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 71#L2015-4true assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 485#L2021-8true assume { :end_inline_setClientId } true; 65#L2327true assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 488#L1580-4true assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 206#L1586-8true assume { :end_inline_setClientPrivateKey } true; 196#L2338true assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 30#L2395true assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 197#L2230-1true [2021-11-20 05:45:33,946 INFO L793 eck$LassoCheckResult]: Loop: 197#L2230-1true assume !false; 516#L2082true assume test_~splverifierCounter~0#1 < 4; 493#L2083true test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 447#L2089true assume !(0 == test_~op1~0#1); 85#L2102true assume 0 == test_~op2~0#1;test_~tmp___8~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 450#L2107true assume 0 != test_~tmp___8~0#1;assume { :begin_inline_rjhSetAutoRespond } true;assume { :begin_inline_setClientAutoResponse } true;setClientAutoResponse_#in~handle#1, setClientAutoResponse_#in~value#1 := ~rjh~0, 1;havoc setClientAutoResponse_~handle#1, setClientAutoResponse_~value#1;setClientAutoResponse_~handle#1 := setClientAutoResponse_#in~handle#1;setClientAutoResponse_~value#1 := setClientAutoResponse_#in~value#1; 202#L1533true assume 1 == setClientAutoResponse_~handle#1;~__ste_client_autoResponse0~0 := setClientAutoResponse_~value#1; 444#L1539-2true assume { :end_inline_setClientAutoResponse } true; 535#L2538true assume { :end_inline_rjhSetAutoRespond } true;test_~op2~0#1 := 1; 197#L2230-1true [2021-11-20 05:45:33,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:33,952 INFO L85 PathProgramCache]: Analyzing trace with hash 56074497, now seen corresponding path program 1 times [2021-11-20 05:45:33,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:33,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803623675] [2021-11-20 05:45:33,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:33,966 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:34,326 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:34,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803623675] [2021-11-20 05:45:34,327 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803623675] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:34,327 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:34,327 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:45:34,329 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396450845] [2021-11-20 05:45:34,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:34,334 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:34,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:34,336 INFO L85 PathProgramCache]: Analyzing trace with hash 853771930, now seen corresponding path program 1 times [2021-11-20 05:45:34,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:34,336 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829503690] [2021-11-20 05:45:34,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:34,337 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:34,349 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:34,399 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:34,576 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:34,577 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:34,577 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:34,577 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:34,577 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:34,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:34,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:34,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:34,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration1_Loop [2021-11-20 05:45:34,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:34,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:34,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,622 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:34,784 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:34,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:34,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:34,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:34,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:34,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:34,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:45:34,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:34,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:34,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:34,874 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:34,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:34,881 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:34,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:45:34,906 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:34,933 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:34,934 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:34,934 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:34,934 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:34,934 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:34,934 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:34,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:34,935 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:34,935 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:34,935 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration1_Loop [2021-11-20 05:45:34,935 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:34,935 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:34,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:34,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:35,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:35,137 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:35,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:35,142 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:35,148 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 [2021-11-20 05:45:35,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:35,160 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:35,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:35,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:35,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:35,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:35,166 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:35,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:45:35,190 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:35,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:35,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:35,236 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:35,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:45:35,243 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 [2021-11-20 05:45:35,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:35,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:35,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:35,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:35,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:35,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:35,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:35,278 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:35,306 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:35,306 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:35,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:35,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:35,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:35,386 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:35,387 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:35,387 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:35,388 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op2~0#1) = -2*ULTIMATE.start_test_~op2~0#1 + 1 Supporting invariants [] [2021-11-20 05:45:35,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:45:35,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:35,430 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:35,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:35,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:35,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:35,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:35,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:35,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:35,872 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 [2021-11-20 05:45:35,875 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 537 states, 536 states have (on average 1.6735074626865671) internal successors, (897), 536 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:36,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 537 states, 536 states have (on average 1.6735074626865671) internal successors, (897), 536 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 2297 states and 3827 transitions. Complement of second has 7 states. [2021-11-20 05:45:36,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-20 05:45:36,275 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 [2021-11-20 05:45:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 2161 transitions. [2021-11-20 05:45:36,288 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2161 transitions. Stem has 25 letters. Loop has 9 letters. [2021-11-20 05:45:36,289 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:36,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2161 transitions. Stem has 34 letters. Loop has 9 letters. [2021-11-20 05:45:36,290 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:36,290 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 2161 transitions. Stem has 25 letters. Loop has 18 letters. [2021-11-20 05:45:36,291 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:36,292 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2297 states and 3827 transitions. [2021-11-20 05:45:36,325 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 443 [2021-11-20 05:45:36,350 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2297 states to 931 states and 1651 transitions. [2021-11-20 05:45:36,352 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 481 [2021-11-20 05:45:36,366 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 482 [2021-11-20 05:45:36,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 931 states and 1651 transitions. [2021-11-20 05:45:36,370 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:36,370 INFO L681 BuchiCegarLoop]: Abstraction has 931 states and 1651 transitions. [2021-11-20 05:45:36,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states and 1651 transitions. [2021-11-20 05:45:36,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 488. [2021-11-20 05:45:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 488 states have (on average 1.7622950819672132) internal successors, (860), 487 states have internal predecessors, (860), 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) [2021-11-20 05:45:36,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 860 transitions. [2021-11-20 05:45:36,443 INFO L704 BuchiCegarLoop]: Abstraction has 488 states and 860 transitions. [2021-11-20 05:45:36,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:36,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:45:36,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:45:36,448 INFO L87 Difference]: Start difference. First operand 488 states and 860 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-11-20 05:45:36,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:36,535 INFO L93 Difference]: Finished difference Result 953 states and 1682 transitions. [2021-11-20 05:45:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:45:36,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 953 states and 1682 transitions. [2021-11-20 05:45:36,551 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 444 [2021-11-20 05:45:36,568 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 953 states to 953 states and 1682 transitions. [2021-11-20 05:45:36,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 497 [2021-11-20 05:45:36,570 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 497 [2021-11-20 05:45:36,570 INFO L73 IsDeterministic]: Start isDeterministic. Operand 953 states and 1682 transitions. [2021-11-20 05:45:36,581 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:36,581 INFO L681 BuchiCegarLoop]: Abstraction has 953 states and 1682 transitions. [2021-11-20 05:45:36,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 953 states and 1682 transitions. [2021-11-20 05:45:36,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 953 to 487. [2021-11-20 05:45:36,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 487 states have (on average 1.757700205338809) internal successors, (856), 486 states have internal predecessors, (856), 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) [2021-11-20 05:45:36,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 856 transitions. [2021-11-20 05:45:36,621 INFO L704 BuchiCegarLoop]: Abstraction has 487 states and 856 transitions. [2021-11-20 05:45:36,621 INFO L587 BuchiCegarLoop]: Abstraction has 487 states and 856 transitions. [2021-11-20 05:45:36,621 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:45:36,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 487 states and 856 transitions. [2021-11-20 05:45:36,630 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 222 [2021-11-20 05:45:36,631 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:36,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:36,638 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:36,638 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:36,639 INFO L791 eck$LassoCheckResult]: Stem: 4889#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 4831#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 4832#L497 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 4804#L490 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 4805#L505 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 4820#L2408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4836#L2015 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 4561#L2021-2 assume { :end_inline_setClientId } true; 4880#L2285 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4663#L1580 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4664#L1586-2 assume { :end_inline_setClientPrivateKey } true; 4806#L2296 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4807#L2015-2 assume !(1 == setClientId_~handle#1); 4597#L2018-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 4598#L2021-5 assume { :end_inline_setClientId } true; 4603#L2306 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4833#L1580-2 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4505#L1586-5 assume { :end_inline_setClientPrivateKey } true; 4781#L2317 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 4634#L2015-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 4636#L2021-8 assume { :end_inline_setClientId } true; 4606#L2327 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4607#L1580-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4867#L1586-8 assume { :end_inline_setClientPrivateKey } true; 4854#L2338 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 4475#L2395 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 4476#L2230-1 assume !false; 4855#L2082 [2021-11-20 05:45:36,639 INFO L793 eck$LassoCheckResult]: Loop: 4855#L2082 assume test_~splverifierCounter~0#1 < 4; 4878#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 4815#L2089 assume !(0 == test_~op1~0#1); 4674#L2102 assume !(0 == test_~op2~0#1); 4684#L2116 assume 0 == test_~op3~0#1;test_~tmp___7~0#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 4825#L2121 assume 0 != test_~tmp___7~0#1;assume { :begin_inline_rjhDeletePrivateKey } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := ~rjh~0, 0;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 4873#L1580-6 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 4523#L1586-11 assume { :end_inline_setClientPrivateKey } true; 4552#L2508 assume { :end_inline_rjhDeletePrivateKey } true;test_~op3~0#1 := 1; 4415#L2230-1 assume !false; 4855#L2082 [2021-11-20 05:45:36,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:36,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1808936504, now seen corresponding path program 1 times [2021-11-20 05:45:36,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:36,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170202428] [2021-11-20 05:45:36,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:36,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:36,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:36,823 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:36,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170202428] [2021-11-20 05:45:36,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170202428] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:36,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:36,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:45:36,824 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394387597] [2021-11-20 05:45:36,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:36,825 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:36,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:36,825 INFO L85 PathProgramCache]: Analyzing trace with hash -88063911, now seen corresponding path program 1 times [2021-11-20 05:45:36,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:36,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041261047] [2021-11-20 05:45:36,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:36,826 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:36,836 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:36,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:36,971 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:36,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:36,971 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:36,971 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:36,971 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:36,971 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:36,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:36,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:36,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration2_Loop [2021-11-20 05:45:36,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:36,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:36,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:36,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:36,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:36,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:36,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:37,145 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:37,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,147 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:37,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:37,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:45:37,173 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:37,173 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:37,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,198 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,199 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:45:37,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:37,203 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:37,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,256 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,257 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:45:37,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:37,259 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:37,292 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:37,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,327 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:37,327 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:37,327 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:37,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:37,328 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:37,328 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,328 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:37,328 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:37,328 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration2_Loop [2021-11-20 05:45:37,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:37,328 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:37,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:37,500 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:37,501 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:37,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,504 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:45:37,511 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 [2021-11-20 05:45:37,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:37,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:37,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:37,526 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:37,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:37,530 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:37,530 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:37,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:37,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,586 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,590 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,599 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 [2021-11-20 05:45:37,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:37,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:37,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:37,609 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:37,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:37,611 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:37,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 05:45:37,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:37,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,670 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,671 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:45:37,673 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 [2021-11-20 05:45:37,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:37,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:37,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:37,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:37,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:37,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:37,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:37,696 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:37,699 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:37,699 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:37,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:37,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:37,718 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:37,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:45:37,723 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:37,723 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:37,724 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:37,724 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op3~0#1) = -2*ULTIMATE.start_test_~op3~0#1 + 1 Supporting invariants [] [2021-11-20 05:45:37,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:37,764 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:37,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:37,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 570 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:37,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:38,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:38,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:38,112 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 [2021-11-20 05:45:38,112 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 487 states and 856 transitions. cyclomatic complexity: 371 Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-20 05:45:38,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 487 states and 856 transitions. cyclomatic complexity: 371. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 1821 states and 3235 transitions. Complement of second has 6 states. [2021-11-20 05:45:38,206 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 [2021-11-20 05:45:38,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-11-20 05:45:38,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 854 transitions. [2021-11-20 05:45:38,211 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 854 transitions. Stem has 27 letters. Loop has 10 letters. [2021-11-20 05:45:38,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:38,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 854 transitions. Stem has 37 letters. Loop has 10 letters. [2021-11-20 05:45:38,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:38,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 854 transitions. Stem has 27 letters. Loop has 20 letters. [2021-11-20 05:45:38,219 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:38,219 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1821 states and 3235 transitions. [2021-11-20 05:45:38,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 433 [2021-11-20 05:45:38,263 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1821 states to 1811 states and 3219 transitions. [2021-11-20 05:45:38,263 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 473 [2021-11-20 05:45:38,264 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 475 [2021-11-20 05:45:38,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1811 states and 3219 transitions. [2021-11-20 05:45:38,264 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:38,265 INFO L681 BuchiCegarLoop]: Abstraction has 1811 states and 3219 transitions. [2021-11-20 05:45:38,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states and 3219 transitions. [2021-11-20 05:45:38,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 932. [2021-11-20 05:45:38,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 932 states have (on average 1.7703862660944205) internal successors, (1650), 931 states have internal predecessors, (1650), 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) [2021-11-20 05:45:38,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1650 transitions. [2021-11-20 05:45:38,300 INFO L704 BuchiCegarLoop]: Abstraction has 932 states and 1650 transitions. [2021-11-20 05:45:38,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:38,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:45:38,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:45:38,304 INFO L87 Difference]: Start difference. First operand 932 states and 1650 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:38,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:38,493 INFO L93 Difference]: Finished difference Result 1807 states and 3197 transitions. [2021-11-20 05:45:38,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:45:38,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1807 states and 3197 transitions. [2021-11-20 05:45:38,546 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 428 [2021-11-20 05:45:38,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1807 states to 1807 states and 3197 transitions. [2021-11-20 05:45:38,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 479 [2021-11-20 05:45:38,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 479 [2021-11-20 05:45:38,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1807 states and 3197 transitions. [2021-11-20 05:45:38,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:38,596 INFO L681 BuchiCegarLoop]: Abstraction has 1807 states and 3197 transitions. [2021-11-20 05:45:38,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1807 states and 3197 transitions. [2021-11-20 05:45:38,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1807 to 932. [2021-11-20 05:45:38,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 932 states have (on average 1.76931330472103) internal successors, (1649), 931 states have internal predecessors, (1649), 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) [2021-11-20 05:45:38,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1649 transitions. [2021-11-20 05:45:38,666 INFO L704 BuchiCegarLoop]: Abstraction has 932 states and 1649 transitions. [2021-11-20 05:45:38,666 INFO L587 BuchiCegarLoop]: Abstraction has 932 states and 1649 transitions. [2021-11-20 05:45:38,666 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:45:38,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 932 states and 1649 transitions. [2021-11-20 05:45:38,673 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2021-11-20 05:45:38,674 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:38,674 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:38,675 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:38,676 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:38,676 INFO L791 eck$LassoCheckResult]: Stem: 10116#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 10038#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 10039#L497 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 10001#L490 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 10002#L505 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 10026#L2408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 10043#L2015 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9751#L2021-2 assume { :end_inline_setClientId } true; 10101#L2285 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 9853#L1580 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 9854#L1586-2 assume { :end_inline_setClientPrivateKey } true; 10005#L2296 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 10006#L2015-2 assume !(1 == setClientId_~handle#1); 9785#L2018-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 9786#L2021-5 assume { :end_inline_setClientId } true; 9791#L2306 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 10040#L1580-2 assume !(1 == setClientPrivateKey_~handle#1); 9693#L1583-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 9695#L1586-5 assume { :end_inline_setClientPrivateKey } true; 9976#L2317 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 9827#L2015-4 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 9829#L2021-8 assume { :end_inline_setClientId } true; 9795#L2327 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 9796#L1580-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 10085#L1586-8 assume { :end_inline_setClientPrivateKey } true; 10076#L2338 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 9665#L2395 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 9666#L2230-1 assume !false; 10137#L2082 assume test_~splverifierCounter~0#1 < 4; 10097#L2083 [2021-11-20 05:45:38,676 INFO L793 eck$LassoCheckResult]: Loop: 10097#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 10016#L2089 assume !(0 == test_~op1~0#1); 9864#L2102 assume !(0 == test_~op2~0#1); 9874#L2116 assume !(0 == test_~op3~0#1); 9971#L2130 assume !(0 == test_~op4~0#1); 9943#L2144 assume !(0 == test_~op5~0#1); 9723#L2158 assume !(0 == test_~op6~0#1); 9955#L2172 assume !(0 == test_~op7~0#1); 9957#L2186 assume 0 == test_~op8~0#1;test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 9643#L2191 assume 0 != test_~tmp___2~0#1;test_~op8~0#1 := 1; 9599#L2230-1 assume !false; 10069#L2082 assume test_~splverifierCounter~0#1 < 4; 10097#L2083 [2021-11-20 05:45:38,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:38,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1857881969, now seen corresponding path program 1 times [2021-11-20 05:45:38,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:38,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485958771] [2021-11-20 05:45:38,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:38,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:38,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:38,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485958771] [2021-11-20 05:45:38,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485958771] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:38,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:38,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:45:38,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129052398] [2021-11-20 05:45:38,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:38,785 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:38,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:38,785 INFO L85 PathProgramCache]: Analyzing trace with hash -163709213, now seen corresponding path program 1 times [2021-11-20 05:45:38,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:38,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944656813] [2021-11-20 05:45:38,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:38,786 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:38,797 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:38,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:38,921 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:38,922 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:38,922 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:38,922 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:38,922 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:38,922 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:38,922 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:38,923 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:38,923 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration3_Loop [2021-11-20 05:45:38,923 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:38,923 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:38,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:38,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,100 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:39,101 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:39,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,104 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:45:39,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:39,154 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:39,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:39,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,233 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,236 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:39,236 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:45:39,258 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:39,258 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:39,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-11-20 05:45:39,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,301 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:39,311 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:45:39,346 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:39,346 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:39,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,389 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:45:39,396 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:39,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,422 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:39,423 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_#t~nondet46#1=-8, ULTIMATE.start_test_~tmp___2~0#1=-8} Honda state: {ULTIMATE.start_test_#t~nondet46#1=-8, ULTIMATE.start_test_~tmp___2~0#1=-8} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:39,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,464 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,476 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:39,476 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:45:39,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,540 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:39,547 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:45:39,570 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:39,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,610 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:39,611 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:39,611 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:39,611 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:39,611 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:39,611 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,611 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:39,611 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:39,611 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration3_Loop [2021-11-20 05:45:39,611 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:39,611 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:39,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,644 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:39,780 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:39,781 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:39,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,784 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,795 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 [2021-11-20 05:45:39,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:39,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:39,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:39,806 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:39,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:39,808 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:39,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:39,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:45:39,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:39,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,858 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,859 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,870 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 [2021-11-20 05:45:39,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:39,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:39,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:39,881 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:39,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:39,882 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:39,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:39,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:45:39,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:39,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,922 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:45:39,924 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 [2021-11-20 05:45:39,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:39,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:39,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:39,933 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:39,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:39,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:39,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:39,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:39,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:39,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,968 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:45:39,971 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 [2021-11-20 05:45:39,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:39,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:39,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:39,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:39,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:39,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:39,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:39,990 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:39,993 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:39,993 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:39,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:39,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:39,994 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:39,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:45:39,997 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:39,998 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:39,998 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:39,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op8~0#1) = -2*ULTIMATE.start_test_~op8~0#1 + 1 Supporting invariants [] [2021-11-20 05:45:40,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:40,022 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:40,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:40,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:40,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:40,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:40,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:40,371 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 [2021-11-20 05:45:40,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 932 states and 1649 transitions. cyclomatic complexity: 721 Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:40,487 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 932 states and 1649 transitions. cyclomatic complexity: 721. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 4062 states and 7226 transitions. Complement of second has 6 states. [2021-11-20 05:45:40,488 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 [2021-11-20 05:45:40,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:40,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 862 transitions. [2021-11-20 05:45:40,494 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 862 transitions. Stem has 29 letters. Loop has 12 letters. [2021-11-20 05:45:40,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:40,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 862 transitions. Stem has 41 letters. Loop has 12 letters. [2021-11-20 05:45:40,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:40,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 862 transitions. Stem has 29 letters. Loop has 24 letters. [2021-11-20 05:45:40,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:40,496 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4062 states and 7226 transitions. [2021-11-20 05:45:40,540 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 433 [2021-11-20 05:45:40,584 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4062 states to 4062 states and 7226 transitions. [2021-11-20 05:45:40,584 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 478 [2021-11-20 05:45:40,585 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 480 [2021-11-20 05:45:40,585 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4062 states and 7226 transitions. [2021-11-20 05:45:40,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:40,586 INFO L681 BuchiCegarLoop]: Abstraction has 4062 states and 7226 transitions. [2021-11-20 05:45:40,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4062 states and 7226 transitions. [2021-11-20 05:45:40,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4062 to 2058. [2021-11-20 05:45:40,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2058 states have (on average 1.7759961127308066) internal successors, (3655), 2057 states have internal predecessors, (3655), 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) [2021-11-20 05:45:40,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3655 transitions. [2021-11-20 05:45:40,659 INFO L704 BuchiCegarLoop]: Abstraction has 2058 states and 3655 transitions. [2021-11-20 05:45:40,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:45:40,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:45:40,664 INFO L87 Difference]: Start difference. First operand 2058 states and 3655 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2021-11-20 05:45:40,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:40,703 INFO L93 Difference]: Finished difference Result 2065 states and 3662 transitions. [2021-11-20 05:45:40,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:45:40,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2065 states and 3662 transitions. [2021-11-20 05:45:40,765 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2021-11-20 05:45:40,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2065 states to 2065 states and 3662 transitions. [2021-11-20 05:45:40,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 266 [2021-11-20 05:45:40,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 266 [2021-11-20 05:45:40,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2065 states and 3662 transitions. [2021-11-20 05:45:40,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:40,809 INFO L681 BuchiCegarLoop]: Abstraction has 2065 states and 3662 transitions. [2021-11-20 05:45:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states and 3662 transitions. [2021-11-20 05:45:40,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:40,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2058. [2021-11-20 05:45:40,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2058 states, 2058 states have (on average 1.7745383867832847) internal successors, (3652), 2057 states have internal predecessors, (3652), 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) [2021-11-20 05:45:40,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2058 states to 2058 states and 3652 transitions. [2021-11-20 05:45:40,863 INFO L704 BuchiCegarLoop]: Abstraction has 2058 states and 3652 transitions. [2021-11-20 05:45:40,863 INFO L587 BuchiCegarLoop]: Abstraction has 2058 states and 3652 transitions. [2021-11-20 05:45:40,863 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 05:45:40,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2058 states and 3652 transitions. [2021-11-20 05:45:40,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 217 [2021-11-20 05:45:40,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:40,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:40,879 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:40,879 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:40,879 INFO L791 eck$LassoCheckResult]: Stem: 19358#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 19289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 19290#L497 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 19259#L490 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 19260#L505 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 19276#L2408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19294#L2015 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 19012#L2021-2 assume { :end_inline_setClientId } true; 19345#L2285 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 19115#L1580 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 19116#L1586-2 assume { :end_inline_setClientPrivateKey } true; 19261#L2296 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19262#L2015-2 assume !(1 == setClientId_~handle#1); 19049#L2018-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 19050#L2021-5 assume { :end_inline_setClientId } true; 19055#L2306 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 19291#L1580-2 assume !(1 == setClientPrivateKey_~handle#1); 18957#L1583-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 18959#L1586-5 assume { :end_inline_setClientPrivateKey } true; 19236#L2317 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 19086#L2015-4 assume !(1 == setClientId_~handle#1); 19087#L2018-4 assume !(2 == setClientId_~handle#1); 19304#L2021-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 19305#L2021-8 assume { :end_inline_setClientId } true; 19058#L2327 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 19059#L1580-4 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 19330#L1586-8 assume { :end_inline_setClientPrivateKey } true; 19318#L2338 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 18929#L2395 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 18930#L2230-1 assume !false; 19361#L2082 assume test_~splverifierCounter~0#1 < 4; 19362#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 19271#L2089 [2021-11-20 05:45:40,881 INFO L793 eck$LassoCheckResult]: Loop: 19271#L2089 assume !(0 == test_~op1~0#1); 19126#L2102 assume !(0 == test_~op2~0#1); 19137#L2116 assume !(0 == test_~op3~0#1); 19232#L2130 assume !(0 == test_~op4~0#1); 19206#L2144 assume !(0 == test_~op5~0#1); 18980#L2158 assume 0 == test_~op6~0#1;test_~tmp___4~0#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 19266#L2163 assume 0 != test_~tmp___4~0#1;assume { :begin_inline_rjhEnableForwarding } true;assume { :begin_inline_setClientForwardReceiver } true;setClientForwardReceiver_#in~handle#1, setClientForwardReceiver_#in~value#1 := ~rjh~0, ~chuck~0;havoc setClientForwardReceiver_~handle#1, setClientForwardReceiver_~value#1;setClientForwardReceiver_~handle#1 := setClientForwardReceiver_#in~handle#1;setClientForwardReceiver_~value#1 := setClientForwardReceiver_#in~value#1; 19103#L1968 assume 1 == setClientForwardReceiver_~handle#1;~__ste_client_forwardReceiver0~0 := setClientForwardReceiver_~value#1; 18983#L1974-2 assume { :end_inline_setClientForwardReceiver } true; 18862#L2548 assume { :end_inline_rjhEnableForwarding } true;test_~op6~0#1 := 1; 18863#L2230-1 assume !false; 19319#L2082 assume test_~splverifierCounter~0#1 < 4; 19343#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 19271#L2089 [2021-11-20 05:45:40,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:40,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1020214626, now seen corresponding path program 1 times [2021-11-20 05:45:40,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:40,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451251841] [2021-11-20 05:45:40,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:40,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:40,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:40,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:40,984 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:40,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451251841] [2021-11-20 05:45:40,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451251841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:40,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:40,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:45:40,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775073147] [2021-11-20 05:45:40,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:40,985 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:40,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1723919638, now seen corresponding path program 1 times [2021-11-20 05:45:40,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:40,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378151245] [2021-11-20 05:45:40,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:40,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:40,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:41,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:41,148 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:41,149 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:41,149 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:41,149 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:41,149 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:41,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:41,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:41,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration4_Loop [2021-11-20 05:45:41,150 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:41,150 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:41,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:41,332 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:41,332 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,336 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,342 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,343 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:45:41,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,366 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,406 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,409 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,409 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:45:41,426 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,426 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,450 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:45:41,460 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,460 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,475 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,476 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 05:45:41,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,498 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:45:41,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,516 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,517 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~chuck~0=-4, ULTIMATE.start_setClientForwardReceiver_~value#1=-4, ULTIMATE.start_setClientForwardReceiver_#in~value#1=-4, ~__ste_client_forwardReceiver0~0=-4} Honda state: {~chuck~0=-4, ULTIMATE.start_setClientForwardReceiver_~value#1=-4, ULTIMATE.start_setClientForwardReceiver_#in~value#1=-4, ~__ste_client_forwardReceiver0~0=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,539 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:45:41,542 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,542 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,563 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_setClientForwardReceiver_~handle#1=1, ~rjh~0=1, ULTIMATE.start_setClientForwardReceiver_#in~handle#1=1} Honda state: {ULTIMATE.start_setClientForwardReceiver_~handle#1=1, ~rjh~0=1, ULTIMATE.start_setClientForwardReceiver_#in~handle#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-11-20 05:45:41,587 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,588 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 05:45:41,589 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,589 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,630 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,630 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___4~0#1=-4, ULTIMATE.start_test_#t~nondet44#1=-4} Honda state: {ULTIMATE.start_test_~tmp___4~0#1=-4, ULTIMATE.start_test_#t~nondet44#1=-4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,667 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,675 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,675 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 05:45:41,698 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:41,698 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:41,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,739 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:41,748 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 05:45:41,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:41,795 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:41,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 05:45:41,796 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:41,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:41,807 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:41,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:41,833 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:41,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:41,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:41,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:41,833 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:41,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:41,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:41,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:41,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration4_Loop [2021-11-20 05:45:41,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:41,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:41,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:41,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:42,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:42,042 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:42,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,044 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,051 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 [2021-11-20 05:45:42,061 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,061 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:42,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,064 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:42,064 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 05:45:42,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,133 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,139 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 [2021-11-20 05:45:42,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,149 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:42,149 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,152 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:42,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 05:45:42,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-11-20 05:45:42,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,182 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 05:45:42,186 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 [2021-11-20 05:45:42,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:42,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:42,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,215 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,238 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 05:45:42,240 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 [2021-11-20 05:45:42,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:42,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:42,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,274 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 05:45:42,279 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 [2021-11-20 05:45:42,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,286 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:42,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,287 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:42,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,316 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 05:45:42,318 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 [2021-11-20 05:45:42,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,327 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:42,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,328 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:42,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,355 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 05:45:42,357 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 [2021-11-20 05:45:42,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,365 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:42,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,366 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:42,366 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:42,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 05:45:42,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,389 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 05:45:42,391 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 [2021-11-20 05:45:42,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:42,398 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:42,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:42,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:42,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:42,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:42,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:42,401 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:42,403 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:42,403 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:42,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:42,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:42,404 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:42,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 05:45:42,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:42,406 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:42,406 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:42,406 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~op6~0#1) = -2*ULTIMATE.start_test_~op6~0#1 + 1 Supporting invariants [] [2021-11-20 05:45:42,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,428 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:42,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:42,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 576 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:42,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:42,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:42,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:42,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:42,878 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 [2021-11-20 05:45:42,878 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 2058 states and 3652 transitions. cyclomatic complexity: 1603 Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:43,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 2058 states and 3652 transitions. cyclomatic complexity: 1603. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 8892 states and 15852 transitions. Complement of second has 6 states. [2021-11-20 05:45:43,043 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 [2021-11-20 05:45:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:43,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 853 transitions. [2021-11-20 05:45:43,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 853 transitions. Stem has 32 letters. Loop has 13 letters. [2021-11-20 05:45:43,047 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:43,047 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 853 transitions. Stem has 45 letters. Loop has 13 letters. [2021-11-20 05:45:43,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:43,048 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 853 transitions. Stem has 32 letters. Loop has 26 letters. [2021-11-20 05:45:43,048 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:43,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8892 states and 15852 transitions. [2021-11-20 05:45:43,128 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 423 [2021-11-20 05:45:43,211 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8892 states to 8847 states and 15780 transitions. [2021-11-20 05:45:43,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 477 [2021-11-20 05:45:43,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 480 [2021-11-20 05:45:43,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8847 states and 15780 transitions. [2021-11-20 05:45:43,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:43,212 INFO L681 BuchiCegarLoop]: Abstraction has 8847 states and 15780 transitions. [2021-11-20 05:45:43,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8847 states and 15780 transitions. [2021-11-20 05:45:43,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8847 to 4489. [2021-11-20 05:45:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 4489 states have (on average 1.7828024058810426) internal successors, (8003), 4488 states have internal predecessors, (8003), 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) [2021-11-20 05:45:43,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 8003 transitions. [2021-11-20 05:45:43,343 INFO L704 BuchiCegarLoop]: Abstraction has 4489 states and 8003 transitions. [2021-11-20 05:45:43,344 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:43,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:45:43,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:45:43,344 INFO L87 Difference]: Start difference. First operand 4489 states and 8003 transitions. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 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) [2021-11-20 05:45:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:43,504 INFO L93 Difference]: Finished difference Result 8780 states and 15612 transitions. [2021-11-20 05:45:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:45:43,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8780 states and 15612 transitions. [2021-11-20 05:45:43,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2021-11-20 05:45:43,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8780 states to 8780 states and 15612 transitions. [2021-11-20 05:45:43,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 478 [2021-11-20 05:45:43,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 478 [2021-11-20 05:45:43,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8780 states and 15612 transitions. [2021-11-20 05:45:43,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:43,713 INFO L681 BuchiCegarLoop]: Abstraction has 8780 states and 15612 transitions. [2021-11-20 05:45:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8780 states and 15612 transitions. [2021-11-20 05:45:43,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8780 to 4489. [2021-11-20 05:45:43,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 4489 states have (on average 1.7825796391178437) internal successors, (8002), 4488 states have internal predecessors, (8002), 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) [2021-11-20 05:45:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 8002 transitions. [2021-11-20 05:45:43,842 INFO L704 BuchiCegarLoop]: Abstraction has 4489 states and 8002 transitions. [2021-11-20 05:45:43,842 INFO L587 BuchiCegarLoop]: Abstraction has 4489 states and 8002 transitions. [2021-11-20 05:45:43,842 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 05:45:43,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4489 states and 8002 transitions. [2021-11-20 05:45:43,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-11-20 05:45:43,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:43,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:43,864 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:43,864 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:43,864 INFO L791 eck$LassoCheckResult]: Stem: 43736#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 43670#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 43671#L497 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 43639#L490 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 43640#L505 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 43657#L2408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 43675#L2015 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 43396#L2021-2 assume { :end_inline_setClientId } true; 43723#L2285 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43497#L1580 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 43498#L1586-2 assume { :end_inline_setClientPrivateKey } true; 43641#L2296 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 43642#L2015-2 assume !(1 == setClientId_~handle#1); 43433#L2018-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 43434#L2021-5 assume { :end_inline_setClientId } true; 43439#L2306 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43672#L1580-2 assume !(1 == setClientPrivateKey_~handle#1); 43339#L1583-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 43341#L1586-5 assume { :end_inline_setClientPrivateKey } true; 43616#L2317 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 43470#L2015-4 assume !(1 == setClientId_~handle#1); 43471#L2018-4 assume !(2 == setClientId_~handle#1); 43682#L2021-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 43683#L2021-8 assume { :end_inline_setClientId } true; 43442#L2327 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43443#L1580-4 assume !(1 == setClientPrivateKey_~handle#1); 43708#L1583-4 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 43712#L1586-8 assume { :end_inline_setClientPrivateKey } true; 43696#L2338 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 43311#L2395 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 43312#L2230-1 assume !false; 43813#L2082 assume test_~splverifierCounter~0#1 < 4; 43811#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 43809#L2089 assume !(0 == test_~op1~0#1); 43508#L2102 [2021-11-20 05:45:43,865 INFO L793 eck$LassoCheckResult]: Loop: 43508#L2102 assume !(0 == test_~op2~0#1); 43519#L2116 assume !(0 == test_~op3~0#1); 43611#L2130 assume !(0 == test_~op4~0#1); 43586#L2144 assume !(0 == test_~op5~0#1); 43362#L2158 assume !(0 == test_~op6~0#1); 43597#L2172 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 43598#L2177 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 43603#L1580-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 43242#L1586-14 assume { :end_inline_setClientPrivateKey } true; 43243#L2820 assume { :end_inline_generateKeyPair } true; 43607#L2528 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 43372#L2230-1 assume !false; 43697#L2082 assume test_~splverifierCounter~0#1 < 4; 43721#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 43652#L2089 assume !(0 == test_~op1~0#1); 43508#L2102 [2021-11-20 05:45:43,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:43,866 INFO L85 PathProgramCache]: Analyzing trace with hash -235159008, now seen corresponding path program 1 times [2021-11-20 05:45:43,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:43,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446901957] [2021-11-20 05:45:43,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:43,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:43,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:43,926 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:43,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446901957] [2021-11-20 05:45:43,926 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446901957] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:43,926 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:43,926 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 05:45:43,927 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124615776] [2021-11-20 05:45:43,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:43,927 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:43,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:43,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1439661217, now seen corresponding path program 1 times [2021-11-20 05:45:43,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:43,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439800432] [2021-11-20 05:45:43,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:43,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:43,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:43,935 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:43,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:44,135 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:44,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:44,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:44,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:44,135 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:44,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,135 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:44,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:44,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration5_Loop [2021-11-20 05:45:44,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:44,136 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:44,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:44,364 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:44,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,366 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,368 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,368 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 05:45:44,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,395 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-20 05:45:44,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,426 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 05:45:44,457 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,473 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,473 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=4} Honda state: {ULTIMATE.start_test_~op1~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 05:45:44,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,497 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 05:45:44,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 05:45:44,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,540 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 05:45:44,549 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,549 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,563 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,563 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 05:45:44,584 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,585 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 05:45:44,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,605 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,606 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-11-20 05:45:44,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,632 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 05:45:44,633 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,634 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,649 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,649 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op4~0#1=4} Honda state: {ULTIMATE.start_test_~op4~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:44,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,673 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-11-20 05:45:44,676 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,676 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,690 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,690 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op5~0#1=4} Honda state: {ULTIMATE.start_test_~op5~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-11-20 05:45:44,711 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,712 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-11-20 05:45:44,714 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,729 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:44,729 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op6~0#1=-1} Honda state: {ULTIMATE.start_test_~op6~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:44,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-11-20 05:45:44,752 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,753 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 05:45:44,756 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:44,756 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-11-20 05:45:44,786 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:44,789 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:44,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 05:45:44,790 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:44,790 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:44,829 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:44,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:44,832 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:44,832 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:44,832 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:44,832 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:44,832 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:44,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:44,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:44,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:44,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration5_Loop [2021-11-20 05:45:44,833 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:44,833 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:44,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:44,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:45,069 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:45,069 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:45,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,072 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 05:45:45,073 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 [2021-11-20 05:45:45,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,083 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,083 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,083 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,084 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-11-20 05:45:45,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,111 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 05:45:45,113 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 [2021-11-20 05:45:45,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:45,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:45,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 05:45:45,151 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,151 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 05:45:45,153 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 [2021-11-20 05:45:45,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,161 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,162 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:45,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,233 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 05:45:45,234 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 [2021-11-20 05:45:45,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,242 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,243 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,243 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:45,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,268 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 05:45:45,269 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 [2021-11-20 05:45:45,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,277 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,278 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:45,303 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,304 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 05:45:45,306 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 [2021-11-20 05:45:45,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,316 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,317 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 05:45:45,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,342 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 05:45:45,344 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 [2021-11-20 05:45:45,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,352 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,352 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-11-20 05:45:45,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,375 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 05:45:45,377 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 [2021-11-20 05:45:45,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:45,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:45,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:45,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,412 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 05:45:45,414 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 [2021-11-20 05:45:45,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,422 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:45,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,423 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:45,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:45,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:45,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,473 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,476 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 [2021-11-20 05:45:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 05:45:45,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:45,485 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:45,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:45,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:45,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:45,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:45,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:45,494 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:45,496 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:45,496 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:45,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:45,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:45,497 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:45,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 05:45:45,498 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:45,498 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:45,498 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:45,498 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-11-20 05:45:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-20 05:45:45,519 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:45,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:45,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:45,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:45,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:45,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:45,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:45,892 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 [2021-11-20 05:45:45,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4489 states and 8002 transitions. cyclomatic complexity: 3533 Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-11-20 05:45:46,092 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4489 states and 8002 transitions. cyclomatic complexity: 3533. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 14919 states and 26669 transitions. Complement of second has 6 states. [2021-11-20 05:45:46,093 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 [2021-11-20 05:45:46,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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) [2021-11-20 05:45:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 858 transitions. [2021-11-20 05:45:46,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 858 transitions. Stem has 34 letters. Loop has 15 letters. [2021-11-20 05:45:46,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:46,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 858 transitions. Stem has 49 letters. Loop has 15 letters. [2021-11-20 05:45:46,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:46,096 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 858 transitions. Stem has 34 letters. Loop has 30 letters. [2021-11-20 05:45:46,096 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:46,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14919 states and 26669 transitions. [2021-11-20 05:45:46,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:46,193 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-11-20 05:45:46,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14919 states to 4489 states and 7966 transitions. [2021-11-20 05:45:46,222 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259 [2021-11-20 05:45:46,223 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259 [2021-11-20 05:45:46,223 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4489 states and 7966 transitions. [2021-11-20 05:45:46,223 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:46,224 INFO L681 BuchiCegarLoop]: Abstraction has 4489 states and 7966 transitions. [2021-11-20 05:45:46,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4489 states and 7966 transitions. [2021-11-20 05:45:46,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4489 to 4489. [2021-11-20 05:45:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 4489 states have (on average 1.774560035642682) internal successors, (7966), 4488 states have internal predecessors, (7966), 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) [2021-11-20 05:45:46,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 7966 transitions. [2021-11-20 05:45:46,316 INFO L704 BuchiCegarLoop]: Abstraction has 4489 states and 7966 transitions. [2021-11-20 05:45:46,316 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:46,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 05:45:46,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 05:45:46,317 INFO L87 Difference]: Start difference. First operand 4489 states and 7966 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:45:46,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:46,540 INFO L93 Difference]: Finished difference Result 8787 states and 15562 transitions. [2021-11-20 05:45:46,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 05:45:46,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8787 states and 15562 transitions. [2021-11-20 05:45:46,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 418 [2021-11-20 05:45:46,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8787 states to 8787 states and 15562 transitions. [2021-11-20 05:45:46,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2021-11-20 05:45:46,654 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2021-11-20 05:45:46,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8787 states and 15562 transitions. [2021-11-20 05:45:46,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:45:46,655 INFO L681 BuchiCegarLoop]: Abstraction has 8787 states and 15562 transitions. [2021-11-20 05:45:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8787 states and 15562 transitions. [2021-11-20 05:45:46,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8787 to 4489. [2021-11-20 05:45:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4489 states, 4489 states have (on average 1.7743372688794832) internal successors, (7965), 4488 states have internal predecessors, (7965), 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) [2021-11-20 05:45:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4489 states to 4489 states and 7965 transitions. [2021-11-20 05:45:46,806 INFO L704 BuchiCegarLoop]: Abstraction has 4489 states and 7965 transitions. [2021-11-20 05:45:46,806 INFO L587 BuchiCegarLoop]: Abstraction has 4489 states and 7965 transitions. [2021-11-20 05:45:46,806 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 05:45:46,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4489 states and 7965 transitions. [2021-11-20 05:45:46,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 212 [2021-11-20 05:45:46,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:45:46,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:45:46,828 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:46,828 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:45:46,829 INFO L791 eck$LassoCheckResult]: Stem: 76596#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(28, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(4, 16);call write~init~int(37, 16, 0, 1);call write~init~int(115, 16, 1, 1);call write~init~int(10, 16, 2, 1);call write~init~int(0, 16, 3, 1);call #Ultimate.allocInit(13, 17);call #Ultimate.allocInit(19, 18);call #Ultimate.allocInit(16, 19);call #Ultimate.allocInit(19, 20);call #Ultimate.allocInit(44, 21);call #Ultimate.allocInit(44, 22);call #Ultimate.allocInit(9, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(11, 25);call #Ultimate.allocInit(19, 26);call #Ultimate.allocInit(4, 27);call write~init~int(37, 27, 0, 1);call write~init~int(100, 27, 1, 1);call write~init~int(10, 27, 2, 1);call write~init~int(0, 27, 3, 1);call #Ultimate.allocInit(4, 28);call write~init~int(37, 28, 0, 1);call write~init~int(100, 28, 1, 1);call write~init~int(10, 28, 2, 1);call write~init~int(0, 28, 3, 1);call #Ultimate.allocInit(10, 29);call #Ultimate.allocInit(16, 30);call #Ultimate.allocInit(20, 31);call #Ultimate.allocInit(22, 32);call #Ultimate.allocInit(21, 33);call #Ultimate.allocInit(10, 34);call #Ultimate.allocInit(12, 35);call #Ultimate.allocInit(10, 36);call #Ultimate.allocInit(18, 37);call #Ultimate.allocInit(16, 38);call #Ultimate.allocInit(21, 39);~__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;~__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;~head~0.base, ~head~0.offset := 0, 0;~sent_encrypted~0 := -1;~__ste_Client_counter~0 := 0;~__ste_client_name0~0.base, ~__ste_client_name0~0.offset := 0, 0;~__ste_client_name1~0.base, ~__ste_client_name1~0.offset := 0, 0;~__ste_client_name2~0.base, ~__ste_client_name2~0.offset := 0, 0;~__ste_client_outbuffer0~0 := 0;~__ste_client_outbuffer1~0 := 0;~__ste_client_outbuffer2~0 := 0;~__ste_client_outbuffer3~0 := 0;~__ste_ClientAddressBook_size0~0 := 0;~__ste_ClientAddressBook_size1~0 := 0;~__ste_ClientAddressBook_size2~0 := 0;~__ste_Client_AddressBook0_Alias0~0 := 0;~__ste_Client_AddressBook0_Alias1~0 := 0;~__ste_Client_AddressBook0_Alias2~0 := 0;~__ste_Client_AddressBook1_Alias0~0 := 0;~__ste_Client_AddressBook1_Alias1~0 := 0;~__ste_Client_AddressBook1_Alias2~0 := 0;~__ste_Client_AddressBook2_Alias0~0 := 0;~__ste_Client_AddressBook2_Alias1~0 := 0;~__ste_Client_AddressBook2_Alias2~0 := 0;~__ste_Client_AddressBook0_Address0~0 := 0;~__ste_Client_AddressBook0_Address1~0 := 0;~__ste_Client_AddressBook0_Address2~0 := 0;~__ste_Client_AddressBook1_Address0~0 := 0;~__ste_Client_AddressBook1_Address1~0 := 0;~__ste_Client_AddressBook1_Address2~0 := 0;~__ste_Client_AddressBook2_Address0~0 := 0;~__ste_Client_AddressBook2_Address1~0 := 0;~__ste_Client_AddressBook2_Address2~0 := 0;~__ste_client_autoResponse0~0 := 0;~__ste_client_autoResponse1~0 := 0;~__ste_client_autoResponse2~0 := 0;~__ste_client_privateKey0~0 := 0;~__ste_client_privateKey1~0 := 0;~__ste_client_privateKey2~0 := 0;~__ste_ClientKeyring_size0~0 := 0;~__ste_ClientKeyring_size1~0 := 0;~__ste_ClientKeyring_size2~0 := 0;~__ste_Client_Keyring0_User0~0 := 0;~__ste_Client_Keyring0_User1~0 := 0;~__ste_Client_Keyring0_User2~0 := 0;~__ste_Client_Keyring1_User0~0 := 0;~__ste_Client_Keyring1_User1~0 := 0;~__ste_Client_Keyring1_User2~0 := 0;~__ste_Client_Keyring2_User0~0 := 0;~__ste_Client_Keyring2_User1~0 := 0;~__ste_Client_Keyring2_User2~0 := 0;~__ste_Client_Keyring0_PublicKey0~0 := 0;~__ste_Client_Keyring0_PublicKey1~0 := 0;~__ste_Client_Keyring0_PublicKey2~0 := 0;~__ste_Client_Keyring1_PublicKey0~0 := 0;~__ste_Client_Keyring1_PublicKey1~0 := 0;~__ste_Client_Keyring1_PublicKey2~0 := 0;~__ste_Client_Keyring2_PublicKey0~0 := 0;~__ste_Client_Keyring2_PublicKey1~0 := 0;~__ste_Client_Keyring2_PublicKey2~0 := 0;~__ste_client_forwardReceiver0~0 := 0;~__ste_client_forwardReceiver1~0 := 0;~__ste_client_forwardReceiver2~0 := 0;~__ste_client_forwardReceiver3~0 := 0;~__ste_client_idCounter0~0 := 0;~__ste_client_idCounter1~0 := 0;~__ste_client_idCounter2~0 := 0;~bob~0 := 0;~rjh~0 := 0;~chuck~0 := 0;~queue_empty~0 := 1;~queued_message~0 := 0;~queued_client~0 := 0; 76532#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret58#1, main_~retValue_acc~34#1, main_~tmp~8#1;havoc main_~retValue_acc~34#1;havoc main_~tmp~8#1;assume { :begin_inline_select_helpers } true; 76533#L497 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 76499#L490 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~12#1;havoc valid_product_~retValue_acc~12#1;valid_product_~retValue_acc~12#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~12#1; 76500#L505 main_#t~ret58#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret58#1;havoc main_#t~ret58#1; 76519#L2408 assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;havoc setup_#t~nondet55#1, setup_#t~nondet56#1, setup_#t~nondet57#1, setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset, setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset, setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;havoc setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset;havoc setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset;havoc setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset;~bob~0 := 1;assume { :begin_inline_setup_bob } true;setup_bob_#in~bob___0#1 := ~bob~0;havoc setup_bob_~bob___0#1;setup_bob_~bob___0#1 := setup_bob_#in~bob___0#1;assume { :begin_inline_setup_bob__wrappee__Base } true;setup_bob__wrappee__Base_#in~bob___0#1 := setup_bob_~bob___0#1;havoc setup_bob__wrappee__Base_~bob___0#1;setup_bob__wrappee__Base_~bob___0#1 := setup_bob__wrappee__Base_#in~bob___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_bob__wrappee__Base_~bob___0#1, setup_bob__wrappee__Base_~bob___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 76537#L2015 assume 1 == setClientId_~handle#1;~__ste_client_idCounter0~0 := setClientId_~value#1; 76257#L2021-2 assume { :end_inline_setClientId } true; 76584#L2285 assume { :end_inline_setup_bob__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_bob_~bob___0#1, 123;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 76359#L1580 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 76360#L1586-2 assume { :end_inline_setClientPrivateKey } true; 76501#L2296 assume { :end_inline_setup_bob } true;setup_~__cil_tmp1~0#1.base, setup_~__cil_tmp1~0#1.offset := 23, 0;havoc setup_#t~nondet55#1;~rjh~0 := 2;assume { :begin_inline_setup_rjh } true;setup_rjh_#in~rjh___0#1 := ~rjh~0;havoc setup_rjh_~rjh___0#1;setup_rjh_~rjh___0#1 := setup_rjh_#in~rjh___0#1;assume { :begin_inline_setup_rjh__wrappee__Base } true;setup_rjh__wrappee__Base_#in~rjh___0#1 := setup_rjh_~rjh___0#1;havoc setup_rjh__wrappee__Base_~rjh___0#1;setup_rjh__wrappee__Base_~rjh___0#1 := setup_rjh__wrappee__Base_#in~rjh___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_rjh__wrappee__Base_~rjh___0#1, setup_rjh__wrappee__Base_~rjh___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 76502#L2015-2 assume !(1 == setClientId_~handle#1); 76294#L2018-2 assume 2 == setClientId_~handle#1;~__ste_client_idCounter1~0 := setClientId_~value#1; 76295#L2021-5 assume { :end_inline_setClientId } true; 76300#L2306 assume { :end_inline_setup_rjh__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_rjh_~rjh___0#1, 456;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 76534#L1580-2 assume !(1 == setClientPrivateKey_~handle#1); 76199#L1583-2 assume 2 == setClientPrivateKey_~handle#1;~__ste_client_privateKey1~0 := setClientPrivateKey_~value#1; 76201#L1586-5 assume { :end_inline_setClientPrivateKey } true; 76476#L2317 assume { :end_inline_setup_rjh } true;setup_~__cil_tmp2~1#1.base, setup_~__cil_tmp2~1#1.offset := 24, 0;havoc setup_#t~nondet56#1;~chuck~0 := 3;assume { :begin_inline_setup_chuck } true;setup_chuck_#in~chuck___0#1 := ~chuck~0;havoc setup_chuck_~chuck___0#1;setup_chuck_~chuck___0#1 := setup_chuck_#in~chuck___0#1;assume { :begin_inline_setup_chuck__wrappee__Base } true;setup_chuck__wrappee__Base_#in~chuck___0#1 := setup_chuck_~chuck___0#1;havoc setup_chuck__wrappee__Base_~chuck___0#1;setup_chuck__wrappee__Base_~chuck___0#1 := setup_chuck__wrappee__Base_#in~chuck___0#1;assume { :begin_inline_setClientId } true;setClientId_#in~handle#1, setClientId_#in~value#1 := setup_chuck__wrappee__Base_~chuck___0#1, setup_chuck__wrappee__Base_~chuck___0#1;havoc setClientId_~handle#1, setClientId_~value#1;setClientId_~handle#1 := setClientId_#in~handle#1;setClientId_~value#1 := setClientId_#in~value#1; 76331#L2015-4 assume !(1 == setClientId_~handle#1); 76332#L2018-4 assume !(2 == setClientId_~handle#1); 76543#L2021-6 assume 3 == setClientId_~handle#1;~__ste_client_idCounter2~0 := setClientId_~value#1; 76544#L2021-8 assume { :end_inline_setClientId } true; 76303#L2327 assume { :end_inline_setup_chuck__wrappee__Base } true;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := setup_chuck_~chuck___0#1, 789;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 76304#L1580-4 assume !(1 == setClientPrivateKey_~handle#1); 76569#L1583-4 assume !(2 == setClientPrivateKey_~handle#1); 76581#L1586-6 assume !(3 == setClientPrivateKey_~handle#1); 76573#L1586-8 assume { :end_inline_setClientPrivateKey } true; 76558#L2338 assume { :end_inline_setup_chuck } true;setup_~__cil_tmp3~3#1.base, setup_~__cil_tmp3~3#1.offset := 25, 0;havoc setup_#t~nondet57#1; 76171#L2395 assume { :end_inline_setup } true;assume { :begin_inline_test } true;havoc test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~op1~0#1, test_~op2~0#1, test_~op3~0#1, test_~op4~0#1, test_~op5~0#1, test_~op6~0#1, test_~op7~0#1, test_~op8~0#1, test_~op9~0#1, test_~op10~0#1, test_~op11~0#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1, test_~tmp___3~0#1, test_~tmp___4~0#1, test_~tmp___5~0#1, test_~tmp___6~0#1, test_~tmp___7~0#1, test_~tmp___8~0#1, test_~tmp___9~0#1;havoc test_~op1~0#1;havoc test_~op2~0#1;havoc test_~op3~0#1;havoc test_~op4~0#1;havoc test_~op5~0#1;havoc test_~op6~0#1;havoc test_~op7~0#1;havoc test_~op8~0#1;havoc test_~op9~0#1;havoc test_~op10~0#1;havoc test_~op11~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;havoc test_~tmp___3~0#1;havoc test_~tmp___4~0#1;havoc test_~tmp___5~0#1;havoc test_~tmp___6~0#1;havoc test_~tmp___7~0#1;havoc test_~tmp___8~0#1;havoc test_~tmp___9~0#1;test_~op1~0#1 := 0;test_~op2~0#1 := 0;test_~op3~0#1 := 0;test_~op4~0#1 := 0;test_~op5~0#1 := 0;test_~op6~0#1 := 0;test_~op7~0#1 := 0;test_~op8~0#1 := 0;test_~op9~0#1 := 0;test_~op10~0#1 := 0;test_~op11~0#1 := 0;test_~splverifierCounter~0#1 := 0; 76172#L2230-1 assume !false; 76666#L2082 assume test_~splverifierCounter~0#1 < 4; 76664#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 76663#L2089 assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 76368#L2093 [2021-11-20 05:45:46,830 INFO L793 eck$LassoCheckResult]: Loop: 76368#L2093 assume !(0 != test_~tmp___9~0#1); 76370#L2102 assume !(0 == test_~op2~0#1); 76380#L2116 assume !(0 == test_~op3~0#1); 76472#L2130 assume !(0 == test_~op4~0#1); 76447#L2144 assume !(0 == test_~op5~0#1); 76222#L2158 assume !(0 == test_~op6~0#1); 76458#L2172 assume 0 == test_~op7~0#1;test_~tmp___3~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 76459#L2177 assume 0 != test_~tmp___3~0#1;assume { :begin_inline_rjhKeyChange } true;assume { :begin_inline_generateKeyPair } true;generateKeyPair_#in~client#1, generateKeyPair_#in~seed#1 := ~rjh~0, 666;havoc generateKeyPair_~client#1, generateKeyPair_~seed#1;generateKeyPair_~client#1 := generateKeyPair_#in~client#1;generateKeyPair_~seed#1 := generateKeyPair_#in~seed#1;assume { :begin_inline_setClientPrivateKey } true;setClientPrivateKey_#in~handle#1, setClientPrivateKey_#in~value#1 := generateKeyPair_~client#1, generateKeyPair_~seed#1;havoc setClientPrivateKey_~handle#1, setClientPrivateKey_~value#1;setClientPrivateKey_~handle#1 := setClientPrivateKey_#in~handle#1;setClientPrivateKey_~value#1 := setClientPrivateKey_#in~value#1; 76464#L1580-8 assume 1 == setClientPrivateKey_~handle#1;~__ste_client_privateKey0~0 := setClientPrivateKey_~value#1; 76102#L1586-14 assume { :end_inline_setClientPrivateKey } true; 76103#L2820 assume { :end_inline_generateKeyPair } true; 76468#L2528 assume { :end_inline_rjhKeyChange } true;test_~op7~0#1 := 1; 76233#L2230-1 assume !false; 76559#L2082 assume test_~splverifierCounter~0#1 < 4; 76582#L2083 test_~splverifierCounter~0#1 := 1 + test_~splverifierCounter~0#1; 76511#L2089 assume 0 == test_~op1~0#1;test_~tmp___9~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 76368#L2093 [2021-11-20 05:45:46,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:46,830 INFO L85 PathProgramCache]: Analyzing trace with hash -794107984, now seen corresponding path program 1 times [2021-11-20 05:45:46,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:46,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702432364] [2021-11-20 05:45:46,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:46,831 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:46,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:45:46,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702432364] [2021-11-20 05:45:46,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702432364] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:45:46,899 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:45:46,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 05:45:46,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752649514] [2021-11-20 05:45:46,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:45:46,900 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:45:46,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1974365309, now seen corresponding path program 1 times [2021-11-20 05:45:46,901 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:45:46,901 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193412852] [2021-11-20 05:45:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:45:46,902 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:45:46,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:46,916 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:45:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:45:46,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:45:47,173 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:47,173 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:47,173 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:47,174 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:47,174 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 05:45:47,174 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,174 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:47,174 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:47,174 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration6_Loop [2021-11-20 05:45:47,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:47,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:47,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,435 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:47,435 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 05:45:47,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,442 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 05:45:47,471 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,472 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Honda state: {ULTIMATE.start_generateKeyPair_#in~seed#1=666, ULTIMATE.start_setClientPrivateKey_#in~value#1=666, ULTIMATE.start_generateKeyPair_~seed#1=666, ULTIMATE.start_setClientPrivateKey_~value#1=666, ~__ste_client_privateKey0~0=666} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,510 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,511 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 05:45:47,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,530 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,530 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Honda state: {ULTIMATE.start_generateKeyPair_~client#1=1, ULTIMATE.start_setClientPrivateKey_#in~handle#1=1, ULTIMATE.start_setClientPrivateKey_~handle#1=1, ~rjh~0=1, ULTIMATE.start_generateKeyPair_#in~client#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,554 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 05:45:47,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,566 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,581 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,581 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___9~0#1=0, ULTIMATE.start_test_#t~nondet39#1=0} Honda state: {ULTIMATE.start_test_~tmp___9~0#1=0, ULTIMATE.start_test_#t~nondet39#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-20 05:45:47,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,605 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 05:45:47,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,618 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op1~0#1=0} Honda state: {ULTIMATE.start_test_~op1~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,643 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 05:45:47,644 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,660 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,660 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op3~0#1=-1} Honda state: {ULTIMATE.start_test_~op3~0#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,683 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,684 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 05:45:47,685 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,685 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,700 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~op2~0#1=4} Honda state: {ULTIMATE.start_test_~op2~0#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,721 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 05:45:47,723 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,723 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,738 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 05:45:47,738 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_test_~tmp___3~0#1=7, ULTIMATE.start_test_#t~nondet45#1=7} Honda state: {ULTIMATE.start_test_~tmp___3~0#1=7, ULTIMATE.start_test_#t~nondet45#1=7} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 05:45:47,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:47,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,761 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 05:45:47,763 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 05:45:47,763 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-11-20 05:45:47,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:47,796 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 05:45:47,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 05:45:47,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 05:45:47,837 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 05:45:47,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 05:45:47,840 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:45:47,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:45:47,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:45:47,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:45:47,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:45:47,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:47,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:45:47,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:45:47,840 INFO L133 ssoRankerPreferences]: Filename of dumped script: email_spec6_product22.cil.c_Iteration6_Loop [2021-11-20 05:45:47,840 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:45:47,840 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:45:47,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:47,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:45:48,054 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:45:48,054 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:45:48,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,055 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-11-20 05:45:48,056 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 [2021-11-20 05:45:48,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:48,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:48,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,068 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:48,092 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,092 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,123 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 [2021-11-20 05:45:48,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-11-20 05:45:48,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:48,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:48,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:48,184 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,185 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-11-20 05:45:48,186 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 [2021-11-20 05:45:48,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:48,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:48,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-11-20 05:45:48,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,229 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-11-20 05:45:48,231 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 [2021-11-20 05:45:48,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,240 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:48,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,241 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:48,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:48,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,285 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,295 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 [2021-11-20 05:45:48,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,304 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:48,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,305 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:48,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-11-20 05:45:48,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-11-20 05:45:48,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,349 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-11-20 05:45:48,350 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 [2021-11-20 05:45:48,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,359 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-11-20 05:45:48,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,360 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-11-20 05:45:48,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:45:48,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:48,385 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,385 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-11-20 05:45:48,387 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 [2021-11-20 05:45:48,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:45:48,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:45:48,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:45:48,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:45:48,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:45:48,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:45:48,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:45:48,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:45:48,400 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 05:45:48,401 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 05:45:48,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:45:48,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:45:48,404 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:45:48,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-11-20 05:45:48,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:45:48,405 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 05:45:48,405 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:45:48,405 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_~splverifierCounter~0#1) = -2*ULTIMATE.start_test_~splverifierCounter~0#1 + 7 Supporting invariants [] [2021-11-20 05:45:48,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-11-20 05:45:48,428 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 05:45:48,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:45:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:48,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 579 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:45:48,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:45:48,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:45:48,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:45:48,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:45:48,791 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 [2021-11-20 05:45:48,792 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 4489 states and 7965 transitions. cyclomatic complexity: 3496 Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-11-20 05:45:48,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 4489 states and 7965 transitions. cyclomatic complexity: 3496. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 9578 states and 17066 transitions. Complement of second has 6 states. [2021-11-20 05:45:48,920 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 [2021-11-20 05:45:48,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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) [2021-11-20 05:45:48,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 455 transitions. [2021-11-20 05:45:48,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 455 transitions. Stem has 35 letters. Loop has 16 letters. [2021-11-20 05:45:48,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:48,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 455 transitions. Stem has 51 letters. Loop has 16 letters. [2021-11-20 05:45:48,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:48,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 455 transitions. Stem has 35 letters. Loop has 32 letters. [2021-11-20 05:45:48,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:45:48,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9578 states and 17066 transitions. [2021-11-20 05:45:48,977 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:45:48,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9578 states to 0 states and 0 transitions. [2021-11-20 05:45:48,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:45:48,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:45:48,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:45:48,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:45:48,978 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:45:48,979 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:45:48,979 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:45:48,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 05:45:48,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 05:45:48,979 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2021-11-20 05:45:48,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:45:48,980 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-20 05:45:48,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 05:45:48,980 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-20 05:45:48,981 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:45:48,981 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-20 05:45:48,981 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:45:48,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:45:48,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:45:48,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:45:48,982 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:45:48,982 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:45:48,982 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:45:48,982 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 05:45:48,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:45:48,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:45:48,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:45:48,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:45:48 BoogieIcfgContainer [2021-11-20 05:45:48,991 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:45:48,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:45:48,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:45:48,992 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:45:48,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:45:33" (3/4) ... [2021-11-20 05:45:48,996 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:45:48,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:45:48,997 INFO L158 Benchmark]: Toolchain (without parser) took 18617.99ms. Allocated memory was 94.4MB in the beginning and 329.3MB in the end (delta: 234.9MB). Free memory was 57.4MB in the beginning and 136.6MB in the end (delta: -79.2MB). Peak memory consumption was 156.0MB. Max. memory is 16.1GB. [2021-11-20 05:45:48,998 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:45:48,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.82ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 57.1MB in the beginning and 90.0MB in the end (delta: -32.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 05:45:48,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 156.40ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 80.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:45:48,999 INFO L158 Benchmark]: Boogie Preprocessor took 153.63ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 73.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-20 05:45:49,000 INFO L158 Benchmark]: RCFGBuilder took 1936.40ms. Allocated memory is still 140.5MB. Free memory was 73.2MB in the beginning and 101.9MB in the end (delta: -28.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2021-11-20 05:45:49,000 INFO L158 Benchmark]: BuchiAutomizer took 15258.34ms. Allocated memory was 140.5MB in the beginning and 329.3MB in the end (delta: 188.7MB). Free memory was 101.9MB in the beginning and 136.6MB in the end (delta: -34.7MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. [2021-11-20 05:45:49,001 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 329.3MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:45:49,003 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory was 64.2MB in the beginning and 64.1MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.82ms. Allocated memory was 94.4MB in the beginning and 140.5MB in the end (delta: 46.1MB). Free memory was 57.1MB in the beginning and 90.0MB in the end (delta: -32.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 156.40ms. Allocated memory is still 140.5MB. Free memory was 90.0MB in the beginning and 80.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.63ms. Allocated memory is still 140.5MB. Free memory was 80.2MB in the beginning and 73.2MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1936.40ms. Allocated memory is still 140.5MB. Free memory was 73.2MB in the beginning and 101.9MB in the end (delta: -28.7MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 15258.34ms. Allocated memory was 140.5MB in the beginning and 329.3MB in the end (delta: 188.7MB). Free memory was 101.9MB in the beginning and 136.6MB in the end (delta: -34.7MB). Peak memory consumption was 154.7MB. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 329.3MB. Free memory is still 136.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (6 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * op2 + 1 and consists of 5 locations. One deterministic module has affine ranking function -2 * op3 + 1 and consists of 4 locations. One deterministic module has affine ranking function 1 + -2 * op8 and consists of 4 locations. One deterministic module has affine ranking function -2 * op6 + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. One deterministic module has affine ranking function -2 * splverifierCounter + 7 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 7 iterations. TraceHistogramMax:1. Analysis of lassos took 8.7s. Construction of modules took 0.2s. Büchi inclusion checks took 3.9s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 10. Automata minimization 0.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 17621 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 1.0s Buchi closure took 0.0s. Biggest automaton had 4489 states and ocurred in iteration 4. Nontrivial modules had stage [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11359 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11353 mSDsluCounter, 18842 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10243 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 8599 mSDtfsCounter, 279 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT6 lasso0 LassoPreprocessingBenchmarks: Lassos: inital60 mio100 ax100 hnf100 lsp21 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq205 hnf87 smp100 dnf118 smp100 tf107 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 4 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 27 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 05:45:49,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-11-20 05:45:49,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2cdead-9272-47f5-a376-22aa6851b2de/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE